Installation Manual ID RWA12.ABC-A / -B
FEIG ELECTRONIC GmbH
Page 21 of 28
E N G L I S H
4. Reader connection
The connection is performed via screw-/plug-in terminals inside the device.
As leading-in wires, for digital inputs and interfaces, we recommend shielded wires. The shield has
to be connected to connector X7.
Fig. 1: Position of the connecting terminals and the operational control
connector
term
function
+ /
∼
- /
∼
power supply
R/A-
A-
RxD
T/B+
RS485:
B+
RS232:
TxD
CLK
-
DAT
-
X1
GND
internal GND
IN1
digital input 1
IN2
digital input 2
GND
internal GND
COM
X2
NO
relay make-contact
S1
X7
S2
shield
