5 Assembly/disassembly of communication module
5.1 Assembly
The CM-Modbus/TCP and CM-Modbus/TCP-2P communication modules are pre-
assembled in a case and are ready for installation. In addition, a PE
-
spring is supplied for
PE
-connection (shield).
CAUTION
Danger of destruction of frequency inverter and/or communication module
• Before installation of the communication module, the frequency inverter must
be disconnected from power supply. Installation is not permissible while the
unit is energized.
• Do not touch the PCB visible on the back of the module, otherwise components
• Disconnect the frequency inverter from mains voltage and protect it against being
energized unintentionally.
• Remove covers (1) and (2) of the frequency inverter. Slot B (4) for the communi-
cation module is now accessible.
1
2
3
Steckplatz B
Steckplatz A
• Mount the supplied PE spring (5) using the M4 screw (6) in the unit. The spring
must be aligned centrally.
• Insert the communication module in slot B (4) until it engages audibly.
• Fix the communication module and PE spring (5) using the M2-screw provided at
the module.
• In the upper cover (1), break out the pre-punched cutout (3) for the plug X310
(8).
• Mount the two covers (1) and (2).
10/13
ACU
Modbus/TCP 19
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