Removal Steps; Installation Guidelines; Figure 4-1 Connection Terminal - Siemens Simatic S7-300 CP 341 User Manual

Connection terminals
Figure 4-1
● Connect the positive cable of the 24 V supply to terminal L+.
● Connect the negative cable of the 24 V supply to terminal M.
● The two M terminals are interconnected internally. The 24-V connection has polarity
reversal protection.
● If you do not want to ground the 24 V ground cable, remove the jumper between the
functional ground and M terminals.
4.2.2

Removal steps

Dismounting the rack (mounting rail)
To dismount the CP 341 from the rack (mounting rail), proceed as follows:
1. Switch the CPU to STOP mode.
2. Shut down the power supply.
3. Open the front doors.
4. Disconnect the connection to the DC 24V supply.
5. Disconnect the sub-D connector from the integral interface.
6. Release the securing screw on the module.
7. Tilt the module and remove it from the rail, and then remove it from the PLC.
4.2.3

Installation guidelines

To be Observed
The general installation guidelines for the S7-300 must be observed (see the S7-300
Programmable Controller, CPU Data, Installation manual).
To comply with EMC (electromagnetic compatibility) values, the shield of the cables must be
connected to a shielding bus.
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01
www.gkbpx.com
Connection terminal
Mounting the CP 341
4.2 Mounting and Dismounting the CP 341
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