4 INPUT MODULE CONFIGURATION
The MCU Systems have been designed to cater for almost all requirements of available detector
heads. For this reason many of the options available require either software or hardware
configuration.
The diagram below shows the Input module and the positions of switches etc required during
configuration.
The relay connections shown are with the relay coil in its de-energised state.
Jumper switches J1-J5 select the chart recorder output configuration, whilst Jumper switches J6-
J12 configure the input card for the detector head to be used.
4.1 Input Configuration
Section 4.1.1 discusses the most common configuration options. These are also the
configurations adopted by Status Scientific for use with FGD detector heads (manufactured by
Status Scientific Controls). Section 4.1.2 discusses less common configurations. These
configurations allow alternative manufacturers detector heads to be used.
Note: The input configurations shown are for detector heads located in non-hazardous
environments. I.S. Barriers are required when mounting in areas where there is a
flammable gas hazard, refer to section 3.3.
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