The use of flammable aerosols or liquids should be risk assessed before use to reduce the likelihood of an explosive hazard being generated. While some flammable gasses do not readily achieve a combustible mixture, others can be extremely combustible. This makes the classification of exposure difficult and judgement of acceptability should be made on a per case basis or identified in the site’s risk assessment.
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. This document details the Modus and iMAC communication protocols.
The Ampcontrol MSHA certified iMAC/Voicecom Longwall Communication System combines two of our leading electronics products to provide a single turn-key solution for all your longwall voice communications, pre-start warning, monitoring and control functions.
Ampcontrol’s CPS-A Compact Intrinsically Safe Power Supplies convert 110V AC mains power to Intrinsically Safe low voltage DC power, for use in voice communication systems, gas detection systems and other electronic equipment requiring Intrinsically Safe Ex ia power in a Group 1 environment.
The iMAC DO4 module is an Intrinsically Safe (Ex ia I Ma) Digital Output module that provides four (4) general purpose relay outputs.
The relay outputs can be operated directly from the iMAC controller or by programming an input module such as a DI4 module to the same address as the DO4 module, in which case each relay output will respond to the respective input of the DI4 input module. Multiple DO4 modules can be programmed to the same address, allowing distributed simultaneous control in multiple locations.
This document is intended to provide a detailed explanation of the communications protocols supported by the iMAC2 Controller’s Ethernet port. The iMAC2 Controller uses industry standard Modbus TCP/IP protocol for exchanging data with compatible Ethernet devices. The iMAC2 Controller facilitates a Modbus Slave (server) device. This document is not intended to provide information on the operation of the overall iMAC System, individual modules or instruction on programming the iMAC2 Controller or modules. Please refer the relevant supplementary documents for this information.
In May 2018, the iMAC / iMAC2 Controller operating system firmware was modified to extend the iMAC Module Serial Number range. These changes occurred in iMAC Controller Operating System Firmware v4.0 (O.S. v4.0). Marcus Punch Pty Ltd was engaged to perform a safety integrity verification of these changes. iMAC2 report AMP-15-01-A1 Revision 3 (including Revisions 4 & 5) and iMAC report AMP-11-05-A2 Revision 2 (including Revisions 3 & 4) assessed these changes to be in compliance with the requirements pertaining to software modification and as a result the existing safety metrics (PFD and PFH) for the iMAC Controller, iMAC2 Controller, 2-wire and 3-wire iMAC systems remain unchanged.
iMAC Modules typically need to be programmed (configured) when connected to the iMAC L1 Fieldbus communication line. The iMAC Controller is used to program the modules. Each module (data register) must be programmed with an address and up to three other parameters. The parameters are used to control how a particular module behaves.
The iMAC LIM is an Intrinsically Safe (Ex ia), highly configurable remote indication module, which interfaces directly to the iMAC Fieldbus.
With fibre optics becoming the absolute foundation of all industrial networking and cabled communications infrastructure, we’ve made things easier with H3RO – Harsh Environment Reticulated Optics. By using a combination of 12 and 4 core optical cables and H3RO Bots, a relatively limitless number of industrial Ethernet application scenarios can be achieved with this simple modular system.