Ampcontrol IMAC2 User manual

IntegratedMonitoringandControlSystem

iMAC2UserManual

Version: 4 –October 2018

Designed and Manufactured in Australia by Ampcontrol Pty Ltd

IMAC2B009 V2 Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version Page 1 of 53

Ampcontrol Pty Ltd –ABN 28 000 915 542

iMAC System User Manual

iMAC2B009 V4 –10/18

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

WARNING!

The warning symbol highlights a potential risk of injury or death.

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.

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Ampcontrol Pty Ltd –ABN 28 000 915 542

iMAC System User Manual

iMAC2B009 V4 –10/18

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

The Ampcontrol iMAC Integrated Monitoring and Control system 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 a 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.

The iMAC signalling technique is protected by patent.

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 the Ampcontrol iMAC System.

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

 
 
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Ampcontrol Pty Ltd –ABN 28 000 915 542 
iMAC System User Manual 
iMAC2B009 V4 –10/18 
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TABLE OF CONTENTS 
 INTRODUCTION........................................................................................................7 
 Document Scope..............................................................................................7 
 Supplementary Documents ..............................................................................7 
 Definitions.........................................................................................................8 
 Fieldbus System Configurations.....................................................................10 
 SAFETY AND OTHER WARNINGS.........................................................................12 
 Safe Use of Equipment...................................................................................12 
 RECEIVING AND STORAGE...................................................................................13 
 Receiving........................................................................................................13 
 Inspection.......................................................................................................13 
 Storage after Delivery.....................................................................................13 
 Unpacking of Equipment.................................................................................13 
 iMAC SYSTEM OVERVIEW.....................................................................................14 
 Typical Installation..........................................................................................15 
 Application Software.......................................................................................16 
 iMAC Modules................................................................................................16 
 iMAC Address Range.....................................................................................17 
 Fault Finding Statistics....................................................................................17 
 Networking .....................................................................................................18 
 Local and Global Data....................................................................................19 
 Sequence Control...........................................................................................19 
 Emergency Stop SIL Qualification ..................................................................21 
 IECEx Certifications......................................................................................21 
 FIELDBUS SIGNALLING PROTOCOL.....................................................................23 
 iMAC2 SUPERVISORY CONTROLLER...................................................................24 
 Power Supply.................................................................................................25 
 Digital Inputs...................................................................................................25 
 Relay Outputs.................................................................................................26 
 Serial Communications Port ...........................................................................26 
 Ethernet Communications Port.......................................................................27 
 Fieldbus Ports ................................................................................................27 
 Memory..........................................................................................................27 

 
 
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 Intrinsically Safe Battery.................................................................................27 
 Data Point Table.............................................................................................28 
 iMAC FIELDBUS MODULES....................................................................................29 
 Intrinsically Safe Barriers................................................................................29 
 Intrinsically Safe Remote Keypad...................................................................31 
 Digital Input Modules......................................................................................31 
 Analogue Input Modules.................................................................................31 
 Output Modules..............................................................................................32 
 Serial Interface Modules.................................................................................33 
 Specialty Modules ..........................................................................................34 
 Protection Modules.........................................................................................34 
 End-of-Line Modules ......................................................................................34 
 INSTALLATION........................................................................................................35 
 General Warnings...........................................................................................35 
 Mandatory Installation Practices.....................................................................36 
 Mechanical Arrangement................................................................................37 
 Electrical Connections....................................................................................37 
 COMMISSIONING AND CALIBRATION ..................................................................38 
 iMAC2 CONTROLLER OPERATION SUMMARY ..................................................39 
 iMAC2 Controller User Interface...................................................................40 
 System Menu ...............................................................................................41 
 iMAC2 Controller LEDs.................................................................................44 
 Selectors & DIP Switches.............................................................................44 
 SERVICE, MAINTENANCE & DISPOSAL..............................................................45 
 Equipment Service .......................................................................................45 
 Equipment Maintenance...............................................................................46 
 Disposal........................................................................................................46 
 iMAC2 CONTROLLER SPECIFICATIONS.............................................................47 
 EQUIPMENT LIST .................................................................................................49 
 iMAC2 Controllers & Accessories.................................................................49 
 Intrinsically Safe Barriers..............................................................................49 
 Intrinsically Safe Remote Keypads ...............................................................49 
 Digital Input Modules....................................................................................50 
 Analogue Input Modules...............................................................................50 

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Output Modules............................................................................................51

Serial Interface Modules...............................................................................52

Specialty Modules ........................................................................................52

Protection Modules.......................................................................................52

EOL and MEOL Modules............................................................................53

 
 
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iMAC System User Manual 
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TABLE OF FIGURES 
Figure 1.1: 2-Wire iMAC Fieldbus System Configuration 10 
Figure 1.2: 3-Wire iMAC Fieldbus System Configuration 11 
Figure 1.3: MLB Intrinsic Safety Barrier (Provides both 2-Wire and 3-Wire Terminal Connections) 11 
Figure 4.1: Block Diagram of a Simple iMAC 2-Wire System 15 
Figure 4.2: Tree Network of iMAC2 Controllers 18 
Figure 4.3: Example of the use of Upstream Sequence Bits for Conveyor Sequence Control 20 
Figure 4.4: Example of the use of Downstream Sequence Bits for Conveyor Sequence Control 20 
Figure 4.5: An Implementation of Emergency Stops on a 2-Wire iMAC Fieldbus 21 
Figure 5.1: Bipolar Pulse Width Modulated iMAC Fieldbus Signal 23 
Figure 6.1: iMAC2 Controller (Front) 24 
Figure 6.2: iMAC2 Controller (Right Side) 24 
Figure 6.3: iMAC2 Controller (Rear) 24 
Figure 6.4: iMAC2 Controller Terminal Layout 25 
Figure 6.5: General Purpose Input Internal Circuitry 25 
Figure 6.6: iMAC2 Controller’s Data Point Table 28 
Figure 7.1: Utilisation of MLB and SLB Barriers in an Intrinsically Safe System 30 
Figure 8.1: iMAC2 Controller Enclosure Dimensions 37 
Figure 10.1: iMAC2 Controller Operational Interface (Front) 39 
Figure 10.2: iMAC2 Controller Operational Interface (Right Side) 39 
Figure 10.3: iMAC2 Controller Operational Interface (Left Side) 40 
Figure 10.4: iMAC System Menu –Home Page 41 
Figure 10.5: iMAC System Menu (Maintenance Page) 42 
Figure 10.6: iMAC System Menu (Serial Communications Page) 43 
Figure 10.7: iMAC System Menu (Version Page) 43 
 

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Ampcontrol Pty Ltd –ABN 28 000 915 542

iMAC System User Manual

iMAC2B009 V4 –10/18

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INTRODUCTION

Document Scope

This document is intended to provide an overview of the functionality of the iMAC System. It also serves as

a user manual for the general operation of the iMAC2 Controller.

This document is not intended to provide information on the operation of individual modules, instruction on

programming the iMAC2 Controller or modules, or how to access the Modbus communication registers.

Please refer to the relevant supplementary documents for this information.

Supplementary Documents

The iMAC2 System User Manual is intended to be read in conjunction with the following documents:

1.2.1 System Documentation

IMAC2B010 iMAC2 Controller Ethernet Communications Manual

IMAC2B011 iMAC2 Controller Web Interface Manual

IMAC2B015 iMAC2 Controller Ethernet-IP (CIP) Communications Manual

IMACB094 iMAC System Installation Requirements

IMACB153 iMAC Controller Serial Communications Manual

IMACB182 iMAC SIL Emergency Stop Qualification

IMACB005 iMAC Module Programming Manual

1.2.2 Module Documentation

IMACB003 iMAC RO4 Module Technical Datasheet

IMACB018 iMAC LPU Module Technical Datasheet

IMACB020 iMAC DI8 Module Technical Datasheet

IMACB045 iMAC IIM Module Technical Datasheet

IMACB046 iMAC DI4 Module Technical Datasheet

IMACB047 iMAC EOL/MEOL Module Technical Datasheet

IMACB060 iMAC LED4 Module Technical Datasheet

IMACB061 iMAC SSW Module Technical Datasheet

IMACB062 iMAC SQM Module Technical Datasheet

IMACB066 iMAC AIM Module Technical Datasheet

IMACB067 iMAC RTD1 Module Technical Datasheet

IMACB141 iMAC ARM Module Technical Datasheet

IMACB142 iMAC CRM Module Technical Datasheet

IMACB143 iMAC EMM Module Technical Datasheet

IMACB144 iMAC GRM Module Technical Datasheet

IMACB146 iMAC IRK Keypad Technical Datasheet

IMACB147 iMAC PIM Module Technical Datasheet

IMACB148 iMAC SIM-G Module Technical Datasheet

IMACB149 iMAC SIM-G2 Module Technical Datasheet

IMACB150 iMAC SIM-T Module Technical Datasheet

IMACB151 iMAC MLB Barrier Technical Datasheet

IMACB152 iMAC SLB Barrier Technical Datasheet

IMACB154 iMAC SIM-P Module Technical Datasheet

IMACB172 IMAC LIM Module Technical Datasheet

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Ampcontrol Pty Ltd –ABN 28 000 915 542

iMAC System User Manual

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Definitions

1.3.1 System Definitions

Term

Definition

2-Wire System

A 2-Wire iMAC system has a fieldbus that contains a Signal Line and a Common

Line. The Signal Line is fed through all of the emergency stop contacts and

terminated into the EOL module. In a 2-Wire System, all iMAC fieldbus modules

communicate over the Signal Line. This means that if an emergency stop is

activated, the Signal Line is broken and all modules downstream of the activated

emergency stop will lose communication with the iMAC2 Controller.

3-Wire System

A 3-Wire iMAC system has a fieldbus that contains a Signal Line, Monitoring Line

and a Common Line. The Signal Line is fed through all of the emergency stop

contacts and terminated into the EOL module. The Monitoring Line is terminated

into an MEOL module. In a 3-Wire System, all iMAC fieldbus modules communicate

over the Monitoring Line. The advantage of the 3-Wire System, over the 2-Wire

System, is that when the Signal Line is broken by an emergency stop,

communication with all modules is still possible via the Monitoring Line.

A-Line

The Signal Line in a 3-wire system.

The Auxiliary Relay (AR) of the iMAC2 Controller. The operation of the AR can be

customised using the application (SLP) software.

B-Line

The Monitoring Line in a 3-wire system or the Signal Line in a 2-wire system.

C-Line

The Common Line for 3-wire and 2-wire systems

Common Line

The Common Line as the name suggests is the common return communications

line of the L1 fieldbus. The Common Line is used in both 2-Wire and 3-Wire

Systems.

The Control Relay (CR) of the iMAC2 Controller. Provides emergency stop function

via End-Of-Line module monitoring.

Fieldbus

The iMAC Fieldbus is the communications backbone for the iMAC system. Can be

run as either a 2-Wire or 3-Wire System.

iMAC

Integrated Monitoring and Control

Monitoring

Line

The Monitoring Line forms part of the L1 fieldbus in a 3-Wire system and is

terminated into a MEOL module

In 3-Wire Systems, all the modules communicate over the Monitoring Line.

This allows communication to continue with all modules if an emergency stop is

activated, which opens the Signal Line. The Signal Line is fed through the

emergency stop contacts.

Multi-drop

The term multi-drop refers to a communications line that allows multiple

communicating devices to be connected to the same line.

Signal Line

The Signal Line forms part of the L1 fieldbus in both 2-Wire and 3-Wire systems.

The Signal Line is feed through the emergency stop contacts and is terminated into

the EOL module. In a 3-Wire System, the Signal Line is used only for tripping and

the modules communicate on the Monitoring Line. In a 2-Wire System, the Signal

Line is used for both tripping and communication.

SLP

Supervisory Logic Program. The Ampcontrol proprietary programming language for

the iMAC2 Controller's application software.

Application (SLP) software must be written, compiled and installed in order for the

iMAC2 Controller to perform intended operation.

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1.3.2 Module Definitions

Term

Definition

AIM

Analogue Input Module that connects to the iMAC L1 fieldbus. There are two types

available, a 0-10V model and a 4-20mA model.

ARM

Auxiliary Relay Module that connects to the iMAC L1 fieldbus. Provides a relay

output that mimics the operation of the iMAC2 Controller's AR. Note: requires

specific application (SLP) software for operation.

CRM

Control Relay Module that connects to the iMAC L1 fieldbus. Provides a relay

output that mimics the operation of the iMAC2 Controller's CR. Note: requires

specific application (SLP) software for operation.

DI4

Digital Input Module (4x digital inputs) that connects to the iMAC L1 fieldbus.

Provides remote monitoring of four voltage free contacts.

DI8

Digital Input Module (8x digital inputs) that connects to the iMAC L1 fieldbus.

Provides remote monitoring of eight voltage free contacts.

EMM

End of line Monitoring Module that connects to the iMAC L1 fieldbus. Provides a

changeover relay output that de-energises if the Signal Line is unhealthy.

EOL

End Of Line Module that terminates the Signal Line of the iMAC L1 fieldbus.

GRM

General Relay Module that connects to the iMAC L1 fieldbus. Provides an output

relay that can be remotely controlled by the iMAC2 Controller.

IIM

Input and Indication Module that connects to the iMAC L1 fieldbus. Provides five

voltage free contact inputs and four LED outputs for indication.

IRK

iMAC Remote Keypad that connects to the iMAC L1 fieldbus. Allows the user to

operate the iMAC2 Controller's interface remotely.

LED4

LED Output Module that connects to the iMAC L1 fieldbus. Provides four LED

outputs for indication.

LIM

LED Indication Module which interfaces directly to the iMAC Fieldbus, providing a

highly configurable remote indication module.

LPU

Lightning Protection Unit Module that connects to the iMAC L1 fieldbus. Provides

surge protection for a multi-dropped iMAC module.

MEOL

Monitoring End Of Line Module that terminates the Monitoring Line of the iMAC L1

fieldbus in a 3-Wire System.

MLB

Master Line Barrier is an intrinsically safe barrier required for I.S. applications. It

connects between the iMAC2 Controller and hazardous area L1 fieldbus.

RO4

Relay Output Module (4x relays) that connects to the iMAC L1 fieldbus. Provides

four relay outputs that can be remotely controlled by the iMAC2 Controller, or linked

to follow the states of an iMAC input module.

RTD1

Resistance Temperature Device Module that connects to the iMAC L1 fieldbus.

Provides a remote temperature input using a PT100 RTD sensor.

SIM-G

Serial Interface Module (GasGuard) that connects to the iMAC L1 fieldbus. This

module provides an interface between an Ampcontrol GasGaurd Controller and the

iMAC L1 fieldbus.

SIM-G2

Serial Interface Module (GasGuard x2) that connects to the iMAC L1 fieldbus. This

module provides an interface between two Ampcontrol GasGaurd Controllers and

the iMAC L1 fieldbus.

SIM-P

Serial Interface Module (Programmable) that connects to the iMAC L1 fieldbus.

This module provides an interface between a Modbus RTU RS485 slave device

and the iMAC L1 fieldbus.

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