The controller hardware modules can be arranged in any order in the rack, as long as they comply with these requirements:
• Apart from PSM and PCM, the hardware modules are slotted into the rack from slot 2 onwards, without leaving any empty slots
between the hardware modules.
• If a PCM is not present, slot 7 may be used for other hardware modules.
• Blind modules (these consist of the module faceplates only) must be installed over empty slots, to protect the controller
electronics.
INFO
If there are one or more empty slots between the hardware modules in the rack, the hardware modules after the empty
slot(s) cannot communicate with the PCM module. The software will not recognise or communicate with these hardware
modules either.
INFO
If you rearrange the order of the hardware modules, you may lose some/all of the module configuration information. You
should therefore always make a backup of the configuration before rearranging the hardware modules.
3.2.2 Mounting hardware modules in the rack
The controller will normally be supplied with the hardware modules already mounted. However, it may occasionally be necessary for
you to add or replace a hardware module. If you need to add a hardware module, you can use the first empty slot from the left of the
rack.
Legal
INFO
The manufacturer's warranty will not apply if the rack has been opened by unauthorised persons. However, you are
allowed to replace or add hardware modules (dedicated printed circuit boards) supplied by DEIF. To retain the warranty,
each hardware module must be mounted by a qualified person, in accordance with these written instructions.
Safety
DANGER!
Hazardous live currents and voltages may be present in a rack that is already installed. Contact with these could kill you.
Only authorised personnel, who understand the precautions needed and the risks involved in working with live electrical
equipment, may do this work.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 16 of 144
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