AMALGAMATED INSTRUMENT PM4 Installation and operating instructions

PM4 Panel Meter

Optional Output Addendum

AMALGAMATED INSTRUMENT CO ABN: 80 619 963 692

Unit 5, 28 Leighton Place Hornsby Telephone: +61 2 9476 2244 e-mail: [email protected]

NSW 2077 Australia Facsimile: +61 2 9476 2902 Internet: www.aicpl.com.au

Table of Contents

1 Introduction 3

2 Analog, dual analog outputs plus relay option

(-A, -AA, -AR, -AAR and -R options) 4

3 Transmitter supply option

(-12, -R12, -A12 and -AR12 options) 7

4 Three relay output option (-RRR option) 9

5 Three relay plus analog output option (-ARRR option) 10

6 Six relay option (-R6 and -AR6 options) 12

7 Binary/BCD output option (-DN, -DNR,

-DN12, -DP, -DPR, -DP12 and -DPR12 options) 14

8 Serial and 4-20mA output option

(-A2, -A2R, -A4 and -A4R options) 18

9 Serial, second relay & transmitter supply output option

(-2, -4, -2R, -4R, -212, -412, -2R12 and -4R12 options) 20

10 Serial (RS232 and RS485) commands 22

11 Modbus communication 33

12 Analog PI control output 41

13 Guarantee and service 49

2 of 49 PM4OPTMAN-2.9-0

1 Introduction

This manual addendum contains information on the PM4 optional outputs. This manual is supplied

whenever a PM4 panel meter is supplied with an optional output ﬁtted. Refer to the standard

manual for the PM4 model purchased for information not covered in this addendum.

Note: Not all options are available on all instruments. Check the instruction manual or brochure

for the instrument to be used to see which options are available or contact supplier.

1.1 Input Output Conﬁguration

If you need to alter the input or output conﬁguration link settings proceed as follows:

Remove earth screw

which passes through the

case then slide out

the printed circuit board

1. Remove the plug in terminals

from the rear of the instrument

2. Remove the 4 x self tapping screws from

the back cover then remove the back cover

by pulling it away from the instrument

3. Remove the earth screw which passes

through the underside of the case then

slide out the board or boards

4. Configure the PCB links as requred, see appropriate chapter

5. Slide PCB back into case

6. Replace the earth screw which passes through the case

7. Refit the back cover and fix with the self tapping screws

8. Plug the terminal strips back into the rear of the instrument

PM4OPTMAN-2.9-0 3 of 49

2 Analog, dual analog outputs plus relay option

(-A, -AA, -AR, -AAR and -R options)

This chapter deals with the the 12 bit single and dual isolated analog output boards. These boards

may also be optionally ﬁtted with a relay. The relay will revert to the normally open (N/O) contact

being open when power is removed. 4-20mA outputs can be factory conﬁgured as current sinking

if required. A bipolar +/- 10V output option is also available.

Option code Options ﬁtted to the board

-A Single isolated analog output

-AA Dual isolated analog output

-AR Single isolated analog output plus relay (form A, rated at 240VAC, 5A into

resistive load)

-AAR Dual isolated analog output plus relay (form A, rated at 240VAC, 5A into

resistive load)

-R Single extra relay

2.1 Electrical Connections

All electrical connections are at the rear of the instrument. The plug in screw connectors used

allow wire of up to 2.5mm2. Refer to “Electrical Installation” chapter in the main PM4 manual for

general information on electrical connections.

AB HC D E F J K

1 2 3 4 5 6 7 8 9 10 11

ISOLATED ANALOG

RETRANSMISSION 2

ISOLATED ANALOG

RETRANSMISSION 1

(OPTIONAL)

COM N/O

RELAY 2

SETUP

PUSHBUTTONS

F^v

4 of 49 PM4OPTMAN-2.9-0

2.2 Bipolar output connections

The single and dual analog output options are available in bipolar 10V output form i.e. ±10V.

The bipolar output is not user conﬁgurable and must be factory set since extra components are

required. The circuit board links should be set to 10V for this option. Connections are as shown

below.

AB HC D E F J K

1 2 3 4 5 6 7 8 9 10 11

COMMON

+/- 10V

ISOLATED ANALOG

RETRANSMISSION 1

FOR BIPOLAR OUTPUTS

ISOLATED ANALOG

RETRANSMISSION 2

FOR BIPOLAR OUTPUTS

(OPTIONAL)

COM N/O

RELAY 2

SETUP

PUSHBUTTONS

F^v

2.3 Current sinking 4-20mA output

The current sinking output is not a standard retransmission output and requires factory conﬁgured

modiﬁcation to the circuit board. In this mode an external supply is required as shown in the

diagram below. This output type is sometimes required when an analog input device has a power

supply connected to the input which cannot be disconnected.

AB C

1 2 3 4 5 6 7 8 9 10 11

SETUP

PUSHBUTTONS

F^v

Load

1400 max. @ 30V

1100 max. @ 24VW

External DC supply

24V min.

30V max.

4-20mA output connected in current sinking mode

Links required LK1 (4-20mA), LK7 (4-20mA) & LK16 (solder link)

Components C14 and D4 removed

PM4OPTMAN-2.9-0 5 of 49

2.4 Conﬁguring the output board

The output board has facilities for single or dual analog (4-20mA, 0-1V or 0-10V) output and an

optional relay and is factory supplied with all the necessary component for the output options

ordered. PCB links are ﬁtted to the circuit board to provide data to the microprocessor and to

connect the electronic components for the correct output types. The 4-20mA outputs will drive

into 800Ω loads max. See the “Input Output Conﬁguration” section 1.1 for details on dismantling

the instrument. Note: links will only activate the option if that option was ordered and ﬁtted e.g.

ﬁtting the “RLY2” link will only enable the second relay if this option was ordered.

Note: For single analog output boards only channel 1 links will be ﬁtted. Bipolar 10V outputs are

only available if factory ﬁtted and require the 10V link to be in.

LK13

LK1 LK1

LK13

LK7

LK6

LK7

4-20

10V

RLY2

4-20mA output selected

for both channels

4-20mA output selected

for both channels

4-20mA output selected

for channel 1,

0-10V output selected

for channel 2

4-20mA output selected

for channel 1,

0-10V output selected

for channel 2,

second relay selected

LK7

LK6

LK13

LK1

4-20

10V

RLY2

CH1

CH1 CH1

CH1

CH2

CH2 CH2

CH2

CH1

CH2

Link setting examples

Note: both sets of links

must be set e.g. to select

4-20mA for each channel

links 1, 4, 7 and 10 must

be in.

6 of 49 PM4OPTMAN-2.9-0

3 Transmitter supply option

(-12, -R12, -A12 and -AR12 options)

This chapter deals with the the transmitter supply option circuit board. The transmitter supply

may be ﬁtted on its own or with combinations of relay and analog retransmission. The relay will

revert to the normally open (N/O) contact being open when power is removed. Note that an

internal link setting can be used to convert the transmitter supply from 24V (±12V) to 10V (±5V)

if required, see link location drawing which follows.

Option code Options ﬁtted to the board

-12 24VDC (±12V) isolated and regulated transmitter supply rated at 25mA max.

-R12 24VDC (±12V) isolated and regulated transmitter supply rated at 25mA max.

plus extra relay

-A12 24VDC (±12V) isolated and regulated transmitter supply rated at 25mA max.

plus analog retransmission

-AR12 24VDC (±12V) isolated and regulated transmitter supply rated at 25mA max.

plus analog retransmission plus extra relay

3.1 Electrical Connections

All electrical connections are at the rear of the instrument. The plug in screw connectors used

allow for wire of up to 2.5mm2. Connect across D and F for 24V or across E and F for 12V or

across D and E for -12V. Refer to “Electrical Installation” chapter in the main PM4 manual for

general information on electrical connections.

AB HC D E F J K

1 2 3 4 5 6 7 8 9 10 11

ISOLATED

RETRANSMISSION

ISOLATED DC OUTPUT

COM

N/O

2nd RELAY

(Optional)

SETUP

PUSHBUTTONS

F^v

PM4OPTMAN-2.9-0 7 of 49

3.2 Conﬁguring the output board

The 4-20mA output will drive into 800Ω load max. PCB links are ﬁtted to the circuit board

to provide data to the microprocessor and to connect the electronic components for the correct

output types. It may be necessary to alter the PCB links to change the analog output or DC

voltage output (see link settings below). See the “Input Output Conﬁguration” section 1.1 for

details on dismantling the instrument.

LK13

LK1 LK1

LK13

LK7

LK6

LK7

4-20

10V

RLY2

4-20mA output selected

0-10V output selected

4-20mA output and

second relay selected

LK7

LK6

LK14

10VEX

LK13

LK1

4-20

10V

RLY2

CH1

CH1 CH1

CH1

Link setting examples

Note: both sets of analog links

must be set e.g. to select

4-20mA links 1 and 7 must

be in.

LK14 transmitter supply link.

Link out for 24V (+/-12V)

Link in for 10V (+/-5V)

8 of 49 PM4OPTMAN-2.9-0

4 Three relay output option (-RRR option)

This chapter deals with the the three relay output option.

Components are factory ﬁtted for the three relay operation. No links are required for the selection

of the relay outputs. Relays are form C, rated at 240VAC, 5A resistive load. All relays will revert

to the normally open (N/O) contacts being open circuit when power is removed.

4.1 Electrical Connections

All electrical connections are at the rear of the instrument. The plug in screw connectors used

allow for wire of up to 2.5mm2. Refer to “Electrical Installation” chapter in the main PM4 manual

for general information on electrical connections.

PM4OPTMAN-2.9-0 9 of 49

5 Three relay plus analog output option (-ARRR option)

This chapter deals with the the three relay plus isolated analog output option circuit board. Com-

ponents are factory ﬁtted for the option. Relays are form A, rated at 240VAC 5A resistive load.

Links for selection of analog output type are as shown below. No link settings are required for

the relays. All relays will revert to the normally open (N/O) contacts being open when power is

removed.

5.1 Electrical Connections

All electrical connections are at the rear of the instrument. The plug in screw connectors used

allow for wire of up to 2.5mm2. Refer to “Electrical Installation” chapter in the main PM4 manual

for general information on electrical connections.

10 of 49 PM4OPTMAN-2.9-0

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