Ampcontrol Gasguard 2 Manuel utilisateur

Version: 1, July 2020

Designed and manufactured in Australia by Ampcontrol Pty Ltd

GG2 COMMUNICATIONS

4-20mA/IMAC/RS485

UserManual

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 2 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

WARNING!

The warning symbol highlights a potential risk malfunction or loss of

performance

Please share these warnings with other operators.

CAUTION!

The caution symbol highlights a potential risk of damage to

equipment.

Please share these cautions with other operators.

NOTE

The note symbol highlights key information.

Please share these notes with other operators.

ENVIRO

The enviro (environmental) symbol highlights areas which may have an

impact on the surrounding fauna and/or flora.

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 3 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

The Ampcontrol GG2 Display described in this document is the property of AMPCONTROL PTY LTD. It

is furnished under a license agreement and is to be used only in accordance with the terms of the

agreement.

No part of the hardware or documentation may be reproduced, transmitted, transcribed, stored in any

retrieval system, or translated into any language or computer language, in any form or by any means,

without prior written permission of AMPCONTROL PTY LTD.

Disclaimer

While every effort has been made to assure the accuracy and clarity of this document, AMPCONTROL

PTY LTD assumes no liability resulting from any omissions in this document, or from misuse of the

information obtained herein. The information in this document has been carefully checked and is believed

to be entirely reliable with all of the necessary information included. AMPCONTROL PTY LTD reserves

the right to make changes to any products described herein to improve reliability, function, or design, and

reserves the right to revise this document and make changes from time to time in content hereof with no

obligation to notify any persons of revisions or changes. AMPCONTROL PTY LTD does not assume any

liability arising out of the application or any use of any product or circuit described herein; neither does it

convey license under its patent rights or the rights of others.

Before You Begin

Thank you for purchasing from the Ampcontrol GG2 range.

WARNING!

In the interests of safety and correct equipment operation, please

take the time to read and understand the content in this manual.

Ampcontrol Contact Details

7 Billbrooke Close, Cameron Park, NSW, 2285

P +61 1300 267 373 | F +61 2 4903 4888

EMAIL: customerservice@ampcontrolgroup.com

WEB: ampcontrolgroup.com

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 4 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

TABLE OF CONTENTS

DEFINITIONS ......................................................................................................5

1 SAFETY AND OTHER WARNINGS..................................................................6

1.1 Safe Use of Equipment..............................................................................6

1.2 Supplementary Documentation..................................................................6

2 RECEIVING AND STORAGE............................................................................7

2.1 Receiving...................................................................................................7

2.2 Inspection..................................................................................................7

2.3 Storage after Delivery................................................................................7

2.4 Unpacking of Equipment............................................................................7

3 GG2 COMMUNICATIONS ................................................................................8

3.1 Overview....................................................................................................8

3.2 GG2 Detector Types..................................................................................8

4 IMAC COMMUNICATIONS...............................................................................9

4.1 GG2 Detector Removal..............................................................................9

4.2 iMAC Registers..........................................................................................9

4.3 Gasguard Live Registers .........................................................................12

4.4 Hard Fault Output Values ........................................................................17

5 MODBUS COMMUNICATIONS ......................................................................18

5.1 GG2 Detector Removal............................................................................18

5.2 Register Map ...........................................................................................18

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

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APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

DEFINITIONS

Term

Definition

CO2

Carbon Dioxide

CH4

Methane

Carbon Monoxide

Oxygen

H2S

Hydrogen Sulphide

NATA

National Association of Testing Authorities, Australia

NDIR

Non-Dispersive Infra-red

Warm Up Time

Time interval, with the equipment in a stated atmosphere, between the time

when the equipment is switched on and the time when the indication reaches

and remains within the stated tolerances

AS 4641:2007

Electrical apparatus for detection of oxygen and other gases and vapours at

toxic levels - general requirements and test methods

AS 2290.3-1990

Electrical equipment for coal mines - maintenance and overhaul Part 3:

maintenance of gas detecting and monitoring equipment.

AS/NZS 60079-

29.1:2008

Explosive atmospheres part 29.1: Gas detectors - Performance requirements of

detectors for flammable gases

IEC 60079.0:2011

Explosive atmospheres - Part 0: Equipment - General requirements

IEC 60079.11:2011

Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"

GG2

Gasguard 2

ILAC

International Laboratory Accreditation Cooperation Mutual Recognition

Arrangement.

ILAC is the international organisation for accreditation bodies operating in

accordance with ISO/IEC 17011 and involved in the accreditation of conformity

assessment bodies including calibration laboratories (using ISO/IEC 17025),

testing laboratories (using ISO/IEC 17025), medical testing laboratories (using

ISO 15189), inspection bodies (using ISO/IEC 17020) and proficiency testing

providers using ISO/IEC 17043.

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 6 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

1 SAFETY AND OTHER WARNINGS

For safety reasons, the GG2 Display must be installed, operated and serviced only by competent

personnel. Please read and understand this instruction manual completely before installing, operating or

servicing this equipment. Failure to install or operate this instrument in accordance with the instructions

contained in this manual may create hazardous operating conditions.

1.1 Safe Use of Equipment

The equipment supplied has been designed and manufactured to ensure safe operation. The equipment

must only be used within the design parameters.

The instructions within this manual must be observed as an aid towards achieving the safest possible

installation.

Persons responsible for installation, maintenance, or operation, must observe the following

instructions:

Changes to Equipment

Changes in the design and modifications to the equipment are not permitted. Unauthorised changes

made to the hardware or operating firmware will void the manufacturer's warranty, and may

compromise the integrity of the system into which it is installed and other connected equipment.

Equipment Knowledge

Experience with, or understanding of, this equipment is essential for the safe installation and removal of

the equipment. Therefore, please read and understand this manual prior to use. Competency based

training courses are recommended and are available on request.

Manual Handling

Precautions have been taken to ensure all equipment is safe to handle and free from sharp edges.

However, care should always be taken when handling enclosures and gloves should be worn.

Installation

Correct operation and safety depend on GG2 Display and associated equipment being installed

correctly. Mechanical and or electrical installation and maintenance of plant and equipment must only

be carried out by appropriately qualified personnel and must be tested thoroughly prior to operation.

Operation

As safety depends on GG2 Display functioning correctly it is highly recommended that all safety

functions of the unit be periodically tested to ensure correct operation.

1.2 Supplementary Documentation

The GG2 Display User Manual is expected to be read in conjunction with the following documentation:

GG2B011 GG2 Detector User Manual

GG2B023 GG2 Display User Manual

GG2B033 GG2 Design, Installation and Maintenance Application Guide

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 7 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

2 RECEIVING AND STORAGE

2.1 Receiving

All possible precautions are taken to protect the equipment against damage or losses during shipment;

however, before accepting delivery, check all items against the packing list or bill of loading. If there is

evidence of physical damage, notify Ampcontrol immediately.

Notify Ampcontrol immediately in the case of any discrepancies to the packing list. Keep a record of any

claims and correspondence. Photographs are recommended.

Where practicable do not remove protective covers prior to installation unless there are indications of

damage. Boxes opened for inspection and inventory should be carefully repacked to ensure protection of

the contents or else the parts should be packaged and stored in a safe place. Examine all packing

boxes, wrappings and covers for items attached to them, retain and store any approval documentation

for your safety file as applicable prior to wrapping being discarded.

2.2 Inspection

Equipment that is found to be damaged or has been modified away from its published specifications

must not be used. Please contact Ampcontrol if the equipment is suspected to be different than that

ordered or if it does not match the published specifications.

2.3 Storage after Delivery

When the equipment is not to be installed immediately, proper storage is important to ensure protection

of equipment and validity of warranty.

All equipment should be stored indoors between 0-40˚C, preferably on shelves and protected from

moisture and sunlight.

2.4 Unpacking of Equipment

The method of packing used will depend on the size and quantity of the equipment. The following

cautions should be interpreted as appropriate.

CAUTION!

Take care when unpacking crates as the

contents may have shifted during transport.

ENVIRO

The disposal of packaging materials, replaced parts, or components

must comply with environmental restrictions without polluting the soil,

air or water.

Ensure that any timber and cardboard used as packaging is disposed

of in a safe and environmentally responsible manner.

Where possible, dispose of all waste products i.e. oils, metals, plastic

and rubber products by using an approved recycling service centre.

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 8 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

3 GG2 COMMUNICATIONS

3.1 Overview

The GG2 Display Module is an intrinsically safe apparatus for the purpose of displaying and transmitting

sensor data and system information. The GG2 Display consists of a certified GG2 Display Module and

associated wiring installed within an IP66 rated stainless steel enclosure.

The GG2 Display is available in three variants, a glanded display supporting iMAC/RS485

communication and two pluggable versions supporting 4-20mA+iMAC and 4-20mA+RS485

communication.

This document details the Modus and iMAC communication protocols. Refer to the following sections

Modbus Communication –Section 5.

iMAC Communication –Section 4.

3.2 GG2 Detector Types

The following table outlines some of the common part numbers. For more information on the GG2 range

of products, refer to GG2B026 GG2 Monitoring Solution Technical Datasheet.

Table 1: GG2 Detector Type Table

Gas

Type

Detector

Technology

Measurement Range

Ampcontrol Part

Numbers

CH4

Catalytic

0-5% v/v

177871

CH4

0-5% v/v

177870

CH4

0-100% v/v

190998

CO2

0-2% v/v

180734

CO2

0-5% v/v

180733

Electrochemical

0-50ppm

177873

Electrochemical

0-100ppm

177874

Electrochemical

0-25% v/v

177872

H2S

Electrochemical

0-50ppm

178228

H2S

Electrochemical

0-100ppm

193071

Figure 1: GG2 Example System (iMAC Communication)

iMAC Fieldbus

Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

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APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

4 IMAC COMMUNICATIONS

4.1 GG2 Detector Removal

If iMAC is activated and the detector is removed, all bit fields will go to all zeros and all numerical values

will go to 0xFFFF. The setpoint flag bits and data invalid bit will go high (1) and are exceptions to the

previous rule.

4.2 iMAC Registers

Flags Data Register

SCADA* - These registers/bits must be monitored and included in the trip permissives for all safety

system applications when this protocol is selected.

Bit

Description

Value

iMAC

Exception

Trigger?

R/W

Application Notes

SCADA*

Analogue

input moved

away from

healthy

region and

reached

Setpoint 1

1 = Warn

Yes

This bit is set when it

traverses the setpoint.

Analogue

input moved

away from

healthy

region and

reached

Setpoint 2

1 = Warn

Yes

This bit is set when it

traverses the setpoint.

Analogue

input moved

away from

healthy

region and

reached

Setpoint 3

1 = Trip

Yes

This bit is set when it

traverses the setpoint

i.e. typical used for Tripping

in RTGMS / Gas monitoring

SLP codes.



SP1 flag not

set AND

SP2 flag not

set

1 = Warn

Yes

Used for AIM compatibility.

SP2 flag set

AND SP3

flag not set

1 = Warn

Yes

Used for AIM compatibility.

Power

supply <

Setpoint A

(warn)

1 = Warn

Yes

This bit is set when it

traverses the setpoint.

Power

supply <

Setpoint B

(trip)

1 = Trip

Yes

This bit is set when it

traverses the setpoint

i.e. typical used for Tripping

in RTGMS / Gas monitoring

SLP codes.



Ampcontrol Pty Ltd –ABN 28 000 915 542

GG2 COMMUNICATIONS USER MANUAL

GG2B032

Version 1 –JULY/2020

Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version

Page 10 of 22

APPROVED FOR EXTERNAL DISTRIBUTION –PROPERTY OF AMPCONTROL PTY LTD –NOT TO BE REPRODUCED IN PART

Bit

Description

Value

iMAC

Exception

Trigger?

R/W

Application Notes

SCADA*

System fault

1 = System

has detected

a hardware,

Detector or

software fault.

0 = No fault in

operation

detected.

Yes

System fault

E.g. sensor head missing /

display <-> head comms

fault, etc.



Cal cup on

1 = Cup on

Yes

The GG2 senses the

magnets in our approved cup

(E.g. bump test, zero / span

adjust, calibration)

Gas Value

Invalid

1 = Analogue

4-20mA gas

reading is not

reflecting the

real world gas

value.

Yes

Analogue 4-20mA gas

reading is not reflecting the

real world gas value. (I.e. it is

currently in fault or warmup

or otherwise unreliable. This

includes the sensor being in

warmup, even if 4-20mA is

returning the sensor value

during warmup).



Detector

Head

Warmup

1 = Warmup

busy

GG2 Detector currently in

warmup mode



Linearity

test due

1 = Linearity

test due

International Laboratory

Accreditation Cooperation

Mutual Recognition

Arrangement. Linearity (i.e.

NATA) test is now overdue.

Overrange

latch on

CH4

catalytic

detector

NDIR

incomplete

adjustment

1 =

Overrange

latch on CH4

Catalytic

detector

IR adjustment

incomplete

Yes

Overrange latch on CH4

catalytic detector

CH4 has exceeded full scale.

The sensor is switched off to

protect it from damage.

NDIR incomplete adjustment

Non dispersive Infra Red

sensors had an incomplete

calibration sequence. This is

unique to this sensor type. In

short, once you start

zero/span adjustment, the

values are wiped at the start.



Hardware

fault

1 = Hardware

fault

Yes

A fault which

impedes/prevents gas

detection/other critical

function has been detected.



Ce manuel convient aux modèles suivants

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