6. Tighten the locking screw.
Note: The optional fieldbus module can also be installed on top of the BIO-01
module. See BIO-01 I/O extension module (page 213).
7. For BIO-01, connect the applicable control cables. See Electrical
installation (page 214).
Front option slot 2 (applicable for R3...R5 frames)
In option slot 2 you can install power extension module CMOD-01 for additional
external 24V power supply.
To install, perform the following steps
1. Remove the front cover(s). See section Connection procedure, frames
R3...R4 (page 95) and Connection procedure, frames R5…R8 (page 100).
2. Put the module carefully into its position on the control board.
3. Tighten the mounting screw.
4. Tighten the grounding screw (CHASSIS).
Note: The screw tightens the connections and grounds the module. It is
necessary for fulfilling the EMC requirements and for proper operation of the
module.
120 Electrical installation
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