1.0 Introduction
This MultiGard 5000 System Integration Manual for the Modbus/TCP Gateway Option provides
the information necessary for a customer or a third party integrator to successfully connect the
system onto a larger industrial network using Modbus/TCP protocol. This interface is provided
by an Industrial Control Communications, Inc. (ICC) ETH-1000 Ethernet Gateway added into the
MultiGard 5000 system along with an Ethernet switch.
This document is intended to cover all six models of the MultiGard 5000 System that are factory
configured at MSA from two platforms. The models are 8 point, 16 point, dual 8 point, 24 point,
32 point, and dual 16 point. Keep the purchased model and its size in mind while using this
document.
The MultiGard 5000 system shall have the Compact Logix L24 processor installed as a standard
offering. The L24 processor is capable of using this Modbus/TCP gateway option.
The MultiGard 5000 System is intended to be a complete stand-alone gas detection system and
was designed to be the only point of control for its many features and user changeable
parameters. For safety reasons MSA cannot allow the customer and third parties to have
unrestricted access to the MultiGard System programming.
2.0 References
The user of this document should be familiar with Modbus addressing and compatible networks.
The following references may be used with this manual:
[MSA] Field Wiring Diagram, Multigard System (Drawing)
[Delivered with a MultiGard System; part of the 3-ring binder.]
[MSA] MultiGard System Instruction Manual - ASK 3103-35
[Delivered with a MultiGard System; part of the 3-ring binder.]
[MSA] MultiGard System Factory Configuration Sheets
[Delivered with a MultiGard System; part of the 3-ring binder.]
References not supplied by MSA:
Modbus/TCP protocol documentation and network reference materials
Instruction Manuals – Appropriate to any third party equipment (hardware and
software)
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