Fitting of Discrete I/O Modules
(Original Document)
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At a Glance
All Premium Discrete I/O modules are of standard format. Fitting operations (installation, assembly and disassembly) are described below.
Installation
The Discrete I/O modules, powered by the rack bus, can either be positioned on the standard rack or on an extendable rack. They can be safely handled without turning off the rack power supply.
The diagram below shows Discrete I/O modules installed in the rack.
Assembly/Disassembly
The following table shows the procedure for mounting the Discrete I/O modules in the rack.
Step
Action
Illustration
1
Position the locating pins situated at the rear of the module (on the lower section) in the corresponding slots in the rack.
Step 1 and 2
2
Pivot the module towards the top of the rack so as to engage the rack connector.
3
Tighten the fastening screws of the upper section of the module so as to firmly attach the module to the rack (torque setting: 2.0 N.m).
Warning: If this screw is left untightened, the module will not remain in position in the rack.
Step 3
Note:
Assembling and disassembling modules is performed when: sensor and pre-actuator voltage is switched off, and the terminal block is disconnected