LB Remote I/O System
Product Specifications
2018-07
7
2 Product Specifications
2.1 Prerequisites for Operating the Remote I/O Unit
2.2 Introduction
Remote I/O stations are signal modification devices that act as an interface for signals between
field devices and process control systems. The individual components, i.e., the I/O modules,
com units, and power supplies, are plugged into the slots on the backplane. Com units are
available for various standard buses and form the interface between the I/O modules and the
process control system. Power supplies are used to power the I/O modules and com units.
The bus systems detailed below are supported.
This manual sets out how to work with the hardware. For information on how to configure the
com units and I/O modules, refer to the software manual for the relevant com unit in use.
Note!
Requirements for Equipment Protection Level Gc
The LB remote I/O system must only be installed and operated if installed in a surrounding
enclosure
that complies with the requirements for surrounding enclosures in accordance with
IEC/EN 60079-0 and that
is designed with IP54 protection in accordance with IEC/EN 60529.
Note!
Requirements for Non-Hazardous Areas
The LB remote I/O system must only be installed and operated if installed in a surrounding
enclosure
that complies with the requirements for surrounding enclosures in accordance with
IEC/EN 60079-0 and that
is designed with IP54 protection in accordance with IEC/EN 60529.
Alternatively, installation and operation of the system is permitted in a controlled environment
where pollution degree 2 in accordance with IEC/EN 60664-1 is ensured.
Bus system Com unit
PROFIBUS DP/DP-V1 LB8106*, LB8108*, LB8109*
MODBUS RTU LB8107*
MODBUS TCP LB8111*
FOUNDATION fieldbus H1 LB8110*
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