Installation and Wiring
4.1.2 Attaching Units
• Attach unit attachment connectors on the side of each unit.
• Make sure to connect an end unit to the right of the end unit.
• After attaching units, attach the assembly to the DIN rail.
(Note) When the CPU unit is CPS21, a power supply unit cannot be attached.
Unit attaching procedure
1.
Release the fixing hook on the side of
the unit.
When attaching a power supply unit,
remove the connector cap.
2.
Attach unit connectors on the side of
each unit.
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