Honeywell HA71 User manual

HA71 Digital Gas Controller

Technical Manual

TO• C

General Descriptio• n

Basic Operatio• n

Main I/O Interfac• e PCB

System Diagnostic• s

Modbus• ®RS485 Ports

HA71 Enclosure• s

Ordering Informatio• n

Warrant• y

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual i

Important Safety Issues

The following symbols are used in this manual to alert the user of

important instrument operating issues:

This symbol is intended to alert the user to hazards or

unsafe practices which could result in severe personal

injury or death.

This symbol is intended to alert the user to the presence

of important operating and maintenance (servicing)

instructions.

This symbol is intended to alert the user to the presence

of dangerous voltage within the instrument enclosure that

may be sufcient magnitude to constitute a risk of electric

shock.

WARNINGS:

Shock Hazard - Disconnect or turn off power before servicing •

this instrument.

NEMA 4X wall mount models should be tted with a locking •

mechanism after installation to prevent access to high voltages

by unauthorized personnel (see Figure 6-2).

Only the combustible monitor portions of this instrument•

have been assessed by CSA for C22.2 No. 152 performance

requirements.

This equipment is suitable for use in Class I, Division 2, Groups •

A,B,C and D or non-hazardous locations only.

Use a properly rated CERTIFIED AC power (mains) cable installed •

as per local or national codes

A certied AC power (mains) disconnect or circuit breaker should •

be mounted near the controller and installed following applicable

local and national codes. If a switch is used instead of a circuit

breaker, a properly rate CERTIFIED fuse or current limiter is

required to installed as per local or national codes. Markings

for positions of the switch or breaker should state (I) for on and

(O) for off.

Clean only with a damp cloth without solvents.•

Equipment not used as prescribed within this manual may impair•

overall safety.

WARNING

Explosion hazard- substitution of components may impair suitability

for Class I, Division 2.

WARNING

Explosion hazard- do not replace fuse unless power has been switched

off or the area is known to be non-hazardous.

WARNING

Explosion hazard- do not disconnect equipment unless power has

been switched off or the area is known to be non-hazardous.

Modbus®is a RegisteredTrademark of Schneider Electric

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual ii

Table of Contents

1 General Description

1.0 General Description ................................................. 1-2

1.1 Data Display Screens......................................... 1-2

1.1.1 Trend Screen................................................ 1-2

1.1.2 Bar Graphs Screen...................................... 1-3

1.1.3 Combination Screen.................................... 1-3

1.2 Specifications ..................................................... 1-3

1.2.1 DC Power Supply Requirements ................. 1-3

1.2.2 150 Watt AC – 24VDC Power Supply .......... 1-3

1.2.3 Relays.......................................................... 1-4

1.2.4 Ambient Temperature Range....................... 1-4

1.2.5 Humidity Range........................................... 1-4

1.2.6 Altitude......................................................... 1-4

1.2.7 Housings...................................................... 1-4

1.2.8 Non-Intrusive Magnetic Keypad................... 1-4

1.2.9 Approvals..................................................... 1-4

2 Basic Operation

2.0 Basic Operation........................................................ 2-2

2.1 Setup Menu Configuration................................. 2-2

2.1.1 Changing MenuVariables Using the Keypad.. 2-2

2.2 Channel Configuration Menus........................... 2-3

2.2.1 Channel Setup Entry Menu.......................... 2-3

2.2.2 Alarm 1 / Alarm 2 / Horn Relay Set-Up Menu. 2-3

2.2.3 Alarm 3 / Fault Alarm Menu......................... 2-4

2.2.4 Data From? Menu to Set Input Source........ 2-4

2.2.5 MIN/MAX Raw Counts Menu....................... 2-5

2.2.6 Marker Menus.............................................. 2-6

2.2.7 Linearization Menu ...................................... 2-6

2.2.8 Configure Menu........................................... 2-6

2.2.9 Eunits / Measurement Name ASCII Data Fields. 2-6

2.2.10 Input Measurement Range........................ 2-7

2.2.11 Decimal Point Resolution........................... 2-7

2.2.12 Turning off Unused Channels..................... 2-7

2.2.13 Copy Data To? ........................................... 2-7

2.2.14 CAL Mode.................................................. 2-7

2.3 System Configuration Menus............................ 2-8

2.3.1 Common Alarm Relays 1 and 2................... 2-9

2.3.2 10-0195 Discrete Relay “Failsafe” Mode.... 2-10

2.3.3 Common Horn Relay and Local Piezo....... 2-10

2.3.4 Modbus®Master / Slave Serial Port Menus. 2-11

2.3.4 Eight / Sixteen Channel Modes ................. 2-11

2.4 Authorization Mode .......................................... 2-12

2.5 LCD Contrast Adjustment................................ 2-12

3 Main I/O Interface PCB

3.0 Main I/O Interface PCB............................................. 3-2

3.1 Input / Output Optional PCBs............................ 3-3

3.1.1 Optional Analog Input PCB.......................... 3-3

3.1.2 Optional Discrete Relay PCB....................... 3-4

3.1.3 Optional *Bridge Sensor Input Board........... 3-5

3.1.4 Catalytic Bead Sensor Initial Setup ............. 3-5

3.1.5 Optional RTD / 4-20mA Analog Input Board.. 3-7

3.1.6 Optional 4-20mA Analog Output Board ...... 3-8

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual iii

3.1.7 Optional Clock/Printer Interface Board ........ 3-9

3.1.8 Clock / Printer System Set-Up Menu......... 3-10

3.1.9 Optional 24VDC 150 Watt Power Supplies.. 3-10

4 System Diagnostics

4.0 System Diagnostics ................................................. 4-2

5 Modbus®RS-485 Ports

5.0 Modbus®RS-485 Ports............................................. 5-2

5.1 Modbus®Slave Register Locations................... 5-2

6 HA71 Enclosures

6.0 HA71 Enclosures...................................................... 6-2

6.1 HA71PM Panel / Rack Mount Enclosure........... 6-2

6.2 HA71N4 NEMA 4X FiberglassWall Mount Encl . 6-3

6.3HA71SSNEMA4X316StainlessSteelWallMount Encl. 6-5

6.4 HA71XP NEMA 7 Explosion-ProofWall Mount Encl. 6-6

6.5 HA71 Main I/O and Option PCB Footprint

Dimensions ..................................................................... 6-7

A Ordering Information

A Ordering Information..................................................A-2

BWarranty

Honeywell Analytics Warranty Statement ....................B-2

Table of Contents

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 1-1

1 General Description

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 1-2

1.0 General Description

TheHoneywellAnalyticsHA71SixteenChannelControlleris designed

to display and control alarm event switching for up to sixteen sensor

data points. It may also be set as an eight channel controller for

applications needing fewer inputs. Alarm features such as ON and

OFF delays, Alarm Acknowledge, and a dedicated horn relay make

theHA71wellsuited formanymulti-pointmonitoring applications.Data

may be input to the HA71 by optional analog inputs or the standard

Modbus®RTU master RS-485 port. A Modbus®RTU slave RS-485

port is also standard for sending data to PC’s, PLC’s, DCS’s, or even

otherHA71Controllers.OptionssuchasanalogI/Oanddiscreterelays

for each alarm are easily added to the

addressable I2C bus. Option boards

have 8 channels and therefore require

2 boards for 16 channel applications.

A240x128pixelgraphicLCDreadout

displaysmonitoreddataasbargraphs,

trends and engineering units. System

conﬁguration is through user friendly

menus and all conﬁguration data is retained in non-volatile memory

during power interruptions.The HA71 front panel is shown below in

Figure 1.0 displaying the 8 channel bar graph screen.

1.1 Data Display Screens

The HA71 Controller offers 3 distinct graphic displays for depicting

the monitored data:

Bar Graphs•

24 Hour Trend•

Combination.•

1.1.1Trend Screen

The HA71Trend screen shown in Figure 1-2,displays a 24 hour trend

of input data for the channel selected. Horizontal tic marks are each

hour and vertical tic marks are each 10% of full scale. Dashed lines

indicate alarm levels. The graphic

LCD is 240 pixels wide so each pixel

represents 1/10 hour, or 6 minutes

worth of data.The trend is 100 pixels

high so each represents 1% of full

scale in amplitude. Since each data

point must be collected for 6 minutes

before it may be displayed, it is likely

input values will ﬂuctuate during this

interval. Therefore, MAX, MIN and AVERAGE values are stored in

RAM memory for each 6 minute subinterval.To accurately portray the

trend, a vertical line is drawn between MIN and MAX values for each

6 minute subinterval. The AVERAGE value pixel is then left blank,

leaving a gap in the vertical line. This is demonstrated in the noisy

area of the 24 hour trend in Figure 1-2.If the MAX and MIN values are

within 2% of each other there is no need for the vertical line and only

the AVERAGE value pixel is darkened as in the quiet areas.

The top portion of each trend screen indicates channel #, real time

reading in engineering units, measurement name, range, and MIN,

MAX and AVERAGE values for the preceding 24 hour period.The SI

ﬁeld on the top right indicates number of seconds remaining in the

current 6 minute subinterval.

HA71 Digital Gas Controller

Range =

24Hr Data 0 Min80 Max30 Avg

0 to 100 PCTLEL SI 125

Ch05 Measurement Name 50 PCTLEL

Figure 1-2. Trend Screen

HA71 Digital Gas Controller

Ch01

Ch02

Ch03

Ch04

Ch05

Ch06

Ch07

Ch08

0PCTLEL

10 PCTLEL

0PCTLEL

50 PCTLEL

0PCTLEL

12345678

Figure 1-1. HA71 Front Panel

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 1-3

1.1.2 Bar Graphs Screen

The HA71 Bar Graphs screen shown in Figure 1-3 allows all active

channels to be viewed simultaneously.Both engineering units values

and bar graph values are indicated

in real time. Lines across the bars

indicate the alarm trip points making

it easy to identify channels at or near

alarm.AfeatureintheSystemsmenu

tree allows new alarms to always

force the LCD to the bar graphs

screen.This is useful for applications

requiring channels with alarms to be

displayed.

1.1.3 Combination Screen

The HA71 Combination screen shown in Figure 1-4 offers a view of a

single channel but displays the data as a 10 minute trend, bar graph

and large engineering units. It is also useful for testing inputs for

stabilitysince MAX, MINand AVERAGEvaluesrefresh eachtime this

screen is selected. For example, to

teststabilityoveraonehourperiodfor

an input, begin timing as soon as the

channel is selected. One hour later

record the MAX, MIN and AVERAGE

values.The difference between MAX

and MIN indicates peak to peak

excursions over the one hour period

and AVERAGE is the average for the

hour. Longer or shorter tests may

also be run.The numeric value shown below the bar-graph indicates

number of minutes samples have been taken. After 999 minutes the

AVERAGE buffer overﬂows and the error message UPDATE appears

in the AVERAGE ﬁeld.Exiting this screen resets the buffer and clears

the error message.

1.2 Speciﬁcations

1.2.1 DC Power Supply Requirements

StandardHA71 powerrequirementsare 10-30VDC @ 3wattsapplied

toterminals9& 11 ofTB2 onthestandard I/O PCB (seeSection 3.0).

Optional features increase power consumption as described below:

Discrete Relay PCB option; add 2 watts per PCB.•

Analog Input PCB option; add 1/2 watt.•

4-20mA Output PCB option; add 1 watt.•

CatalyticBeadSensorInputoption;add12wattsmax(depends• upon sensor power).

TB2 terminals 10 & 12 of the standard I/O PCB provide a• maximumof500mAfusedoutputpowerforpoweringofauxiliary

external devices such as relays, lamps or transmitters. Power

consumed from these terminals should be considered when

calculating system power consumption.

1.2.2 150Watt AC – 24VDC Power Supply

110-120 VAC @3.2A max•

220-240VAC @ 1.6A max•

A slide switch on the front of the power supply selects AC input• range.

The 10-0172 150 watt power supply (Section 3.1.9) is for powering

the HA71 and up to 16 detectors. A minimum of 5 watts per channel

is available for powering of external transmitters.

HA71 Digital Gas Controller

Ch01

Ch02

Ch03

Ch04

Ch05

Ch06

Ch07

Ch08

0PCTLEL

10 PCTLEL

0PCTLEL

50 PCTLEL

0PCTLEL

12345678

Figure 1-3. Bar Graphs Screen

HA71 Digital Gas Controller

10 MINUTES

Ch02 Measurement Name

01117 COUNTS

MAX

MIN

AVG

SPAN

ZERO

%FS

PCTLEL

100

Figure 1-4. Combination Screen

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 1-4

1.2.3 Relays

Common relays are standard for ALARM 1, ALARM 2, FAULT and

HORN. Discrete relays are optional.All relays are rated at 5 Amp for

28 VDC and 250 ~VAC RESISTIVE loads.

CAutIoN

Appropriate diode (DC loads) or MOV (AC loads) snubber devices

must be installed with inductive loads to prevent RFI noise spikes.

Relay wiring should be kept separate from low level signal wiring.

1.2.4 AmbientTemperature Range

-25 to 50 degrees C

1.2.5 Humidity Range

0 TO 90% R. H. Non-Condensing.

1.2.6 Altitude

Recommended up to 2000 meters

1.2.7 Housings

General purpose panel mount weighing 7 lbs and including• hardware for 19” rack mounting (Figure 6-1).

*NEMA 4X wall mount in ﬁberglass enclosure weighing 17 lbs• (Figure 6-2).

*NEMA4Xwallmountenclosurein316stainlesssteelweighing• 30 lbs (Figure 6-4).

*NEMA 7 wall mount suitable for DIV 1&2 Groups B,C,D• weighing 110 lbs (Figure 6-5).

*Includes non-intrusive magnetic keypad.

1.2.8 Non-Intrusive Magnetic Keypad

The HA71 operator interface includes ﬁve front panel touch keys. A

magnetic keypad option offers these ﬁve keys with adjacent magnetic

keys.This option is included as a standard item when ordering NEMA

4XweatherresistantorNEMA7explosion-proofenclosures.Itisuseful

in applications where it may be inconvenient to open the enclosure’s

door to access the touch keypad.

1.2.9 Approvals

CSA C22.2 No 1010.1 and ISA S82.02•

CSA C22.2 No 152 for combustibles•

UL 1604 / C22.2 No 213 (Div 2 Groups A,B,C,D)•

EN55011 & EN61000 (CE Mark).•

CSA File # = 219995 and may be seen at:•

www.CSA-International.org.

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 2-1

2 Basic Operation

HA71 Digital Gas Controller

Revision 3 (04/08)

HA71 Technical Manual 2-2

2.0 Basic Operation

The HA71 offers 3 graphic screens for viewing monitored data and

a Set-Up menu screen for operator interface to conﬁguration menus.

They are shown below in Figure 2-1.The Bar Graphs screen allows

viewing of all active channels simultaneously. The Trend screen

displaysa24hour trend one channelatatime.TheCombinationscreen

displaysabargraph,large engineeringunitsanda10minutetrend one

channel at a time.Input channels may be displayed in sequence with

the UP/DOWN keys.The NEXT key switches between the 3 graphic

data screens.When HA71 power is applied, the graphic LCD returns

to the screen active when power was last removed.

Setup menus are entered by pressing EDIT from any data screen,

and scrolling to thedesired menu using the UP/DOWN keys.Pressing

EDIT again enters the selected menu’s tree of variables.This Setup

mode may be exited manually by pressing NEXT, or automatically

when no keys are pressed for 5 minutes. Alarm relays and front

panel alarm LED indicators remain active during the Setup mode.An

AUTHORIZE menu offers a password feature to prevent tampering

with HA71 parameters.

Ch01

Ch02

Ch03

Ch04

Ch05

Ch06

Ch07

Ch08

0PCTLEL

10 PCTLEL

0PCTLEL

50 PCTLEL

0PCTLEL

12345678

10 MINUTES

Ch02 Measurement Name

01117 COUNTS

MAX

MIN

AVG

SPAN

ZERO

%FS

PCTLEL

100

Bar Graphs Combination

Range =

24Hr Data 0 Min80 Max30 Avg

0 to 100 PCTLEL SI 125

Ch05 Measurement Name 50 PCTLEL

System

Contrast

Authorize

Channel 0

Channel 02

Channel 03

Channel 04

Channel 05

Channel 06

Channel 07

Channel 08

Channel 09

Channel 10

Channel 11

Channel 12

Channel 13

Channel 14

Channel 15

Channel 16

UNLOCKED

SETUP MENU

Diagnostics

Trend Setup

Figure 2-1. HA71 Graphic Screens

2.1 Setup Menu Conﬁguration

Variables inside systemandchannel menu trees allowoptimumHA71

conﬁguration for a wide range of demanding multi-point monitoring

applications. Access to menus is via the Setup mode by pressing

EDIT and activating the Setup screen shown in Figure 2-1. Menu

trees are provided for each of the 16 channels and another for system

variables. Select the desired menu by scrolling with UP/DOWN and

EDIT to enter the menus.

2.1.1 Changing MenuVariables Using the Keypad

Upon entering a menu, a pointer controlled by the UP/DOWN keys

indicates the selected variable.Some are simple YES/NO or ON/OFF

entriestoggledbypressingtheEDIT key.Others,suchasMeasurement

Name and Eunits ﬁelds may have many ASCII character possibilities.

Allowed ASCII characters are as follows:

ABCDEFGHIJKLMNOPQRSTUVWXYZ

abcdefghijklmnopqrstuvwxyz

BLANK SPACE

!”#$%&`()*+-./:;<=>?@

0123456789

EDIT places a cursor over the item and UP/DOWN scrolls through

each allowed entry.The NEXT key moves the cursor to the next

position within a ﬁeld.When the ﬁeld is complete, EDIT clears the

cursor and loads it into non-volatile memory where it is retained

indeﬁnitely.With no cursor present, NEXT closes open menus in

reverse order and returns the LCD to the most recent data display.

Table of contents

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