40 List of Figures
WAGO I/O System 750
750-940 EnOcean RS-485 Gateway; 868 MHz
Manual
Version 1.3.0, valid from FW/HW Version 01/01
To release the line, press the connector lock downward:
For the position of the two-wire modular PCB connector on the board, see
Section “View.”
5.2
Connection of the EnOcean Gateway in ESP3 Mode
The EnOcean Gateway is connected with the RS-485 interface of the higher-level
controller via a data cable. The connecting cable provides the communication
signals and a shield potential.
A functional ground is provided via the data cable shield. Discharge is through
the previous module in the chain.
The EnOcean Gateway power supply is provided through either a higher-level
controller or an external power supply source.
Pay attention to the connection of the “com” connection
When the RS-485 interface of the higher-level controller is galvanically isolated
from the power supply of the EnOcean Gateway, it is imperative that the “com”
connection of the EnOcean Gateway is connected with GND.
Otherwise, the “com” connection must not be connected.
