RMG EC 900 User manual

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INTRODUCTION................................................................................... 1

Description and variants.......................................................................................1

New symbols as per EN 12405 ............................................................................3

CONSTRUCTION AND FUNCTION ......................................................4

Gas volume corrector ...........................................................................................4

Casing and control panel............................................................................................... 4

Electronic components.................................................................................................. 5

Ex zone 1 ................................................................................................................................................... 5

Calculation of the volume at base conditions ................................................................ 9

Totalizers....................................................................................................................... 9

Overview .................................................................................................................................................... 9

Disturbance totalizers.............................................................................................................................. 10

Time system ................................................................................................................ 10

General .................................................................................................................................................... 10

Rules for changing time ........................................................................................................................... 10

PTB telephone time service ..................................................................................................................... 10

Operating parameters for controlling time and date................................................................................ 10

Data protection ........................................................................................................... 11

Data logger..........................................................................................................12

Maximum values (maximum load) ............................................................................... 12

Archives and logbooks ................................................................................................ 13

Archive structure ..................................................................................................................................... 13

Periodic archive ....................................................................................................................................... 13

Disturbance archive................................................................................................................................. 14

Daily archive ............................................................................................................................................ 14

Monthly archive ....................................................................................................................................... 15

Legal metrological logbook as per PTB-A 50.7 ........................................................................................ 15

Parameter change logbook...................................................................................................................... 16

Event logbook .......................................................................................................................................... 16

Event archive ........................................................................................................................................... 17

Load archive ............................................................................................................................................ 17

Communication...................................................................................................18

Interfaces .................................................................................................................... 18

Optical interface as per IEC 62056-21 on the front panel ....................................................................... 18

Electrical interface ................................................................................................................................... 18

Modems ...................................................................................................................... 18

Transmission protocols ............................................................................................... 19

M900 protocol ......................................................................................................................................... 19

DSfG-B protocol....................................................................................................................................... 19

Modbus protocol...................................................................................................................................... 19

Communication unit (CU) ............................................................................................ 19

SAFETY INSTRUCTIONS.....................................................................20

Instructions for the installer...............................................................................21

Marking ....................................................................................................................... 21

Use.............................................................................................................................. 21

Installation and commissioning in areas subject to explosion hazards ........................ 21

Commissioning............................................................................................................ 22

CONTENTS

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Servicing, maintenance and troubleshooting............................................................... 22

Changing the battery................................................................................................... 22

Removal ...................................................................................................................... 22

Special condition for EC 921 / EC 922 ....................................................................... 23

Connection value limits for EC 921 / EC 922.............................................................. 23

INSTALLATION ..................................................................................26

Connecting the pressure transmitter.................................................................26

Three-way check valve ................................................................................................ 26

Electrical connections ........................................................................................27

Devices for Ex zone 1 (EC 911 and EC 912) ................................................................ 27

Devices for Ex zone 2 (EC 921 and EC 922) ................................................................ 28

Pin assignments - modem/Ethernet............................................................................ 29

Pin assignments of the serial interface........................................................................ 29

Connection of an external CU 900 communication module......................................... 30

Requirements for the protection class IP65 ................................................................ 31

Example of connection ................................................................................................ 31

COMMISSIONING..............................................................................32

Configuring the interface....................................................................................32

EC 911 and EC 912..................................................................................................... 32

EC 921 and EC 922..................................................................................................... 33

Defining codes ....................................................................................................34

Setting the contrast............................................................................................34

OPERATION .......................................................................................35

How to operate the EC 900 ................................................................................35

Structural design......................................................................................................... 35

Keys.....................................................................................................................37

Accessing device data ........................................................................................38

Data categories ........................................................................................................... 38

Codes.......................................................................................................................... 38

Calibration switch........................................................................................................ 39

Preconditions for important operations....................................................................... 40

Setting totalizers...................................................................................................................................... 40

Resetting totalizers .................................................................................................................................. 40

Resetting archives ................................................................................................................................... 40

Resetting logbooks .................................................................................................................................. 40

Changing the U1 code (Proceed in the same way to change the U2 code.) ........................................... 40

Changing the C1 code (Proceed in the same way to change the C2 and C3 codes.) ............................. 40

Changing parameters..........................................................................................41

Examples of programming..................................................................................41

Inputting a code .......................................................................................................... 42

Displaying and changing parameters for calculating the K coefficient......................... 43

Displaying and changing pressure parameters ............................................................ 45

CONTENTS

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Adjusting interface parameters ................................................................................... 48

Changing the pulse value of the gas meter.................................................................. 49

Setting or resetting totalizers ...................................................................................... 50

Device data ................................................................................................................. 51

Deleting an event ........................................................................................................ 52

On-the-fly calibration................................................................................................... 53

Viewing archive entries (example: periodic archive) .................................................... 54

Viewing maximum load values ...........................................................................56

Description.................................................................................................................. 56

Maximum load display................................................................................................. 57

Current supply quantity within the current gas day ..................................................... 57

Monitoring the supply period....................................................................................... 58

Archive displays .......................................................................................................... 58

List of parameters and operating modes...........................................................59

Screen: CUSTOMIZED DISPLAY............................................................................................................... 59

Screen: Extended customized display...................................................................................................... 60

Screen: 1.0.0.0 (Digital inputs) ................................................................................................................ 60

Screen: 1.0.1.0 (Counter for incoming pulses) ........................................................................................ 60

Screen: 1.0.2.0 (Use of the digital inputs) ............................................................................................... 61

Screen: 1.0.3.0 (Selection of sensor type and filter for the digital inputs) .............................................. 61

Screen: TOT ............................................................................................................................................. 62

Screen: 1.1.0.0 (totalizer functions) ........................................................................................................ 62

Screen: 1.1.1.0 (on-the-fly calibration) .................................................................................................... 62

Screen: 1.1.2.0 (setting totalizers) .......................................................................................................... 62

Screen: 1.1.3.0 (totalizer mode) .............................................................................................................. 63

Screen: 1.1.4.0 (load limits)..................................................................................................................... 63

Screen: PTZ.............................................................................................................................................. 64

Screen: 2.1.0.0 (pressure) ....................................................................................................................... 64

Screen: 2.1.1.0 (pressure values displayed) ............................................................................................ 64

Screen: 2.1.2.0 (pressure limits) ............................................................................................................. 64

Screen: 2.1.3.0 (pressure default) ........................................................................................................... 64

Screen: 2.1.4.0 (pressure parameters).................................................................................................... 65

Screen: 2.1.5.0 (pressure modes) ........................................................................................................... 65

Screen: 2.2.0.0 (temperature) ................................................................................................................. 65

Screen: 2.2.1.0 (temperature values displayed) ...................................................................................... 65

Screen: 2.2.2.0 (temperature limits)........................................................................................................ 66

Screen: 2.2.3.0 (temperature default) ..................................................................................................... 66

Screen: 2.2.4.0 (temperature parameters) .............................................................................................. 66

Screen: 2.2.5.0 (temperature modes)...................................................................................................... 66

Screen: 2.3.0.0 (compressibility factor)................................................................................................... 66

Screen: 2.3.1.0 (values displayed for the compressibility factor)............................................................ 67

Screen: 2.3.2.0 (K coefficient default) ..................................................................................................... 67

Screen: 2.3.3.0 (fixed values for the gas quality)..................................................................................... 67

Screen: 2.3.4.0 (base conditions)............................................................................................................ 67

Screen: 2.4.0.0 (components for K coefficient calculation using AGA 8-92DC) ...................................... 68

Screen: 2.4.1.0 (CO2source) .................................................................................................................. 68

Screen: OPER........................................................................................................................................... 69

Screen: 3.2.0.0 (date and time)............................................................................................................... 69

Screen: 3.2.1.0 (time values)................................................................................................................... 69

Screen: 3.2.2.0 (time parameters)........................................................................................................... 70

Screen: 3.3.0.0 (battery).......................................................................................................................... 70

Screen: 3.4.0.0 (time synchronization).................................................................................................... 70

Screen: 3.5.0.0 (customized display)....................................................................................................... 71

Screen: 3.6.0.0 (symbols)........................................................................................................................ 71

Screen: 3.7.0.0 (language)....................................................................................................................... 71

Screen: 3.8.0.0 (power supply)................................................................................................................ 72

CONTENTS

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Screen: TARIFF ........................................................................................................................................ 73

Screen: 4.1.0.0 (archives)........................................................................................................................ 73

Screen: 4.1.1.0 (periodic archive)............................................................................................................ 73

Screen: 4.1.1.1 (periodic archive - entries).............................................................................................. 74

Screen: 4.1.2.0 (daily archive) ................................................................................................................. 75

Screen: 4.1.2.1 (daily archive - entries) ................................................................................................... 75

Screen: 4.1.3.0 (monthly archive)............................................................................................................ 77

Screen: 4.1.3.1 (monthly archive - entries).............................................................................................. 77

Screen: 4.1.4.0 (disturbance archive)...................................................................................................... 79

Screen: 4.1.4.1 (disturbance archive - entries)........................................................................................ 79

Screen: 4.1.5.0 (event archive)................................................................................................................ 79

Screen: 4.1.5.1 (event archive - entries).................................................................................................. 80

Screen: 4.1.6.0 (load archive).................................................................................................................. 80

Screen: 4.1.6.1 (load archive - entries).................................................................................................... 81

Screen: 4.2.0.0 (logbooks)....................................................................................................................... 82

Screen: 4.2.1.0 (legal metrological logbook) ........................................................................................... 82

Screen: 4.2.1.1 (legal metrological logbook - entries) ............................................................................. 82

Screen: 4.2.2.0 (parameter logbook)....................................................................................................... 83

Screen: 4.2.2.1 (parameter logbook - entries)......................................................................................... 83

Screen: 4.2.3.0 (event logbook)............................................................................................................... 84

Screen: 4.2.3.1 (event logbook - entries)................................................................................................. 84

Screen: 4.3.0.0 (archive parameters) ...................................................................................................... 84

Screen: 4.4.0.0 (archive modes).............................................................................................................. 85

Screen: 4.5.0.0 (logbook modes)............................................................................................................. 85

Screen: 4.6.0.0 (maximum load test)....................................................................................................... 85

Screen: FLOW .......................................................................................................................................... 87

Screen: 5.1.0.0 (flow rate)....................................................................................................................... 87

Screen: 5.1.1.0 (measured values for the flow rate)................................................................................ 87

Screen: 5.1.2.0 (flow rate limits) ............................................................................................................. 87

Screen: 5.1.3.0 (flow rate parameters).................................................................................................... 88

Screen: 5.1.4.0 (flow rate modes) ........................................................................................................... 88

Screen: TYPE............................................................................................................................................ 90

Screen: 6.1.0.0 (type of pressure transmitter) ........................................................................................ 90

Screen: 6.2.0.0 (type of temperature transmitter)................................................................................... 90

Screen: 6.3.0.0 (type of the volume meter)............................................................................................. 91

Screen: 6.4.0.0 (device data)................................................................................................................... 91

Screen: 6.5.0.0 (checksum)..................................................................................................................... 92

Screen: 6.6.0.0 (customer data).............................................................................................................. 92

Screen: 6.7.0.0 (RMG data) ..................................................................................................................... 93

Screen: COMM......................................................................................................................................... 93

Screen: 7.1.0.0 (optical interface) ........................................................................................................... 94

Screen: 7.2.0.0 (COM1 interface)............................................................................................................ 94

Screen: 7.3.0.0 (Com filters) ................................................................................................................... 95

Screen: 7.4.0.0 (Status display of important CU parameters)................................................................. 95

Screen: 7.5.0.0 (Com test) ...................................................................................................................... 97

Screen: OUTPUTS .................................................................................................................................... 98

Screen: 8.1.0.0 (digital outputs) .............................................................................................................. 98

Screen: 8.1.1.0 (digital output 1)............................................................................................................. 98

Screen: 8.1.1.1 (digital output 1 – display values)................................................................................... 98

Screen: 8.1.1.2 (digital output 1 – parameters)....................................................................................... 99

Screen: 8.1.2.0 (digital output 2)............................................................................................................. 99

Screen: 8.1.2.1 (digital output 2 – display values)................................................................................. 100

Screen: 8.1.2.2 (digital output 2 – parameters)..................................................................................... 100

Screen: 8.1.3.0 (digital output 3)........................................................................................................... 100

Screen: 8.1.3.1 (digital output 3 – display values)................................................................................. 100

Screen: 8.1.3.2 (digital output 3 – parameters)..................................................................................... 101

Screen: 8.1.4.0 (digital output 4)........................................................................................................... 101

Screen: 8.1.4.1 (digital output 4 – display values)................................................................................. 101

Screen: 8.1.4.2 (digital output 4 – parameters)..................................................................................... 101

Screen: 8.1.5.0 (digital output 5)........................................................................................................... 102

Screen: 8.1.5.1 (digital output 5 – display values)................................................................................. 102

Screen: 8.1.5.2 (digital output 5 – parameters)..................................................................................... 102

CONTENTS

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Screen: 8.1.6.0 (digital output 6)........................................................................................................... 102

Screen: 8.1.6.1 (digital output 6 – display values)................................................................................. 102

Screen: 8.1.6.2 (digital output 6 – parameters)..................................................................................... 103

Screen: 8.2.0.0 (analogue outputs) ....................................................................................................... 103

Screen: 8.2.1.0 (analogue output 1) ...................................................................................................... 103

Screen: 8.2.1.1 (analogue output 1 - display values)............................................................................. 103

Screen: 8.2.1.2 (analogue output 1 - parameters)................................................................................. 104

Screen: 8.2.2.0 (analogue output 2) ...................................................................................................... 104

Screen: 8.2.2.1 (analogue output 2 - display values)............................................................................. 104

Screen: 8.2.2.2 (analogue output 2 - parameters)................................................................................. 104

Screen: 8.2.3.0 (analogue output 3) ...................................................................................................... 105

Screen: 8.2.3.1 (analogue output 3 - display values)............................................................................. 105

Screen: 8.2.3.2 (analogue output 3 - parameters)................................................................................. 105

Screen: 8.2.4.0 (analogue output 4) ...................................................................................................... 105

Screen: 8.2.4.1 (analogue output 4 - display values)............................................................................. 105

Screen: 8.2.4.2 (analogue output 4 - parameters)................................................................................. 106

Screen: CU............................................................................................................................................. 106

Screen: 9.1.0.0 (communication parameters) ....................................................................................... 106

Screen: 9.1.1.0 (modem: GSM / GPRS / ISDN).................................................................................... 106

Screen: 9.1.1.1 (parameters for radio module GSM)............................................................................. 107

Screen: 9.1.1.2 (parameters for GPRS modem)..................................................................................... 107

Screen: 9.1.1.2.1 (TCP lists) .................................................................................................................. 107

Screen: 9.1.1.3 (parameters modem interface, protocols).................................................................... 108

Screen: 9.1.1.4 (service programs)........................................................................................................ 108

Screen: 9.1.2.0 (USB: internal in EC 900 / external in CU 900)............................................................ 108

Screen: 9.1.3.0 (serial: DB9 on the right side of EC 900 case).............................................................. 109

Screen: 9.1.4.0 (plug: interface on internal multi-pin connector for service)......................................... 109

Screen: 9.1.5.0 (TCP/IP: ethernet)........................................................................................................ 109

Screen: 9.2.0.0 (time parameters)......................................................................................................... 110

Screen: 9.2.1.0 (time server parameters).............................................................................................. 110

Screen: 9.3.0.0 (DSfG parameters)........................................................................................................ 110

Screen: 9.3.1.0 (EADRs) ........................................................................................................................ 111

Screen: 9.3.2.0 (dial numbers) .............................................................................................................. 111

Screen: 9.3.3.0 (archive names)............................................................................................................ 111

Screen: 9.3.4.0 (ada identification) ....................................................................................................... 112

Screen: 9.4.0.0 (system)........................................................................................................................ 112

Screen: 9.4.1.0 (ISB).............................................................................................................................. 112

Screen: 9.6.0.0 (service programs)........................................................................................................ 112

Fault messages ................................................................................................ 113

Alarms....................................................................................................................... 113

Warnings ................................................................................................................... 114

MAINTENANCE................................................................................115

Changing the battery ....................................................................................... 116

Devices for Ex zone 1 (EC 911 and EC 912) .............................................................. 116

Devices for Ex zone 2 (EC 921 and EC 922) .............................................................. 117

Notes on the use of batteries .................................................................................... 118

Battery life................................................................................................................. 118

EC 911:.................................................................................................................................................. 118

EC 912 and EC 922 ............................................................................................................................... 118

Back-up battery......................................................................................................... 119

TECHNICAL DATA............................................................................120

ANNEX.............................................................................................123

CONTENTS

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Seal diagrams................................................................................................... 123

Wiring diagrams ............................................................................................... 129

Older version of EC 921 and EC 922 ......................................................................... 131

EC type examination certificates .................................................................... 132

INTRODUCTION

0DQXDO(&ā(1Dā1RYHPEHUQG

Introduction

Description and variants

Thanks to its many variants and configuration options, the EC 900 PTZ corrector offers a multitude

of functions and possible uses, ranging from a small solution to a complex one. From a simple bat-

tery-powered device processing LF volume pulses up to an externally supplied device fitted with an

internal radio modem or connected to an external communication module, the type series satisfies

all current requirements for volume correction, archiving and communication.

The EC 900 PTZ corrector has been approved for custody transfer metering in compliance with the

European Measuring Instruments Directive (MID).

The integrated tariff memory can store hourly values for more than six months. Furthermore, there

are archives for daily and monthly values and events as well as logbooks. There is also a legal met-

rological logbook as per PTB-A 50.7 which allows parameters under legal control to be changed

without an inspector from the Weights and Measures Office being present.

The device can be operated either via keys on the device or through an interactive program from

RMG. An electrical interface and an optical interface enable the device to be connected to a PC.

The EC 900 can be used in hazardous areas of Ex zone 1 or 2, depending on its version and equip-

ment. An external communication module with electrical isolation allows the device to be used in

Ex zone 1, while using the communication functions at the same time.

The device variants basically differ in their explosion protec-

tion and power supply (lithium battery or external power sup-

ply). Apart from that, it is also possible to fit the device (de-

pending on its explosion protection) with an internal or exter-

nal communication module (with modem). The individual vari-

ants and combination options are shown in the table below.

(QWHU

(6&

Volume corrector,

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