7 external voltage supply, External voltage supply, External voltage supply ( 35) – Lenze E84AYCEC User Manual
Page 35: E84aycec communication manual (ethernet powerlink)

EDS84AYCEC EN 3.0 - 09/2012
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35
E84AYCEC communication manual (Ethernet POWERLINK)
Installation
Electrical installation
5.2.7
External voltage supply
The communication module can be externally supplied with voltage via separate supply
cables at the 2-pin plug connector X250.
External voltage supply of the communication module is required if the
communication via the bus should be maintained when the supply of the standard
device fails.
The parameters of a standard device separated from the mains cannot be accessed.
Wiring of the X250 plug connector
[5-9]
Wiring of the 2-pin plug connector with spring connection
How to wire the plug connector with spring connection:
1. Press a screwdriver into the notch below the terminal and keep it pressed.
2. Place the supply cable in the terminal.
3. Remove the screwdriver from the notch.
Note!
Always use a separate power supply unit safely separated according to
EN 61800-5-1 ("SELV/PELV") in every control cabinet for external voltage supply.
Stop!
Only wire the plug connector if the standard device is disconnected from the
mains.
E84AYCXX010