3. Mounting the equipment
3.1 Introduction
3.1.1 Introduction to mounting the equipment
The controller rack is delivered from the factory with all the required hardware modules. However, if you need to mount an additional
hardware module, or to replace a hardware module, read this chapter.
INFO
Hardware modules are standardised, replaceable printed circuit boards that are mounted in the rack. For example, PSM3.1
is a hardware module that supplies power to the rest of the rack.
The controller rack is mounted in an enclosure, while the display unit is mounted in a panel.
This chapter describes how to mount or replace hardware modules, as well as mount the rack and display unit.
CAUTION
Replacing a hardware module with a different type will cause the controller to lose its class approvals. Replacing with a
module of the same type will not affect class approvals.
Deviating from the default configuration
You can mount the hardware modules in a different order from that recommended in these instructions. If you choose to do this,
DEIF recommends that you document where you have chosen to deviate from the default configuration and ensure that this
information is included in the system documentation. Record the following for each hardware module:
• Module name
• Module's rack slot number in the default configuration
• Module's rack slot number in your customised configuration
INFO
CAD drawings for both the controller rack and display unit can be downloaded from the DEIF homepage. The download is
available as either an AutoCAD file or a stp file.
3.2 Mounting modules
3.2.1 Rack slots and their requirements
The following diagram shows the slot numbering in the rack. The power supply module (PSM) is always mounted in slot 1. If a
processor and communication module (PCM) is present, it is always mounted in slot 7.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 15 of 144
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