9�5 Gpio And Rs-232 Connection - IFM Electronic efector 190 DTE820 Operating Instructions Manual

9.5 GPIO and RS-232 connection
The 12-pole M12 socket of the DTE820 provides the digital inputs and outputs
(GPIO) and the serial interface�
Pin
1
2
3
4
10
1 2
5
9 3
6
8 4
12 11
7
7 6 5
8
9
10
11
12
The digital inputs are not electrically isolated from the operating voltage of the
DTE820� The DTE820 is operated with its own voltage supply�
DTE
+U B
INPUT 1
INPUT 2
INPUT 3
GND
Non-electrically isolated circuit of the inputs
Connection
GPIO - OUT3
GPIO - GND
GND
RS-232 - GND
RS-232 - RxD
RS-232 - TxD
24 V DC
GPIO - OUT2
GPIO - IN3
GPIO - OUT1
GPIO - IN2
GPIO - IN1
INPUT 1
INPUT 2
INPUT 3
RFID UHF Sensor
+U B
GND
UK
13