45
7. Connections and Control Elements
1 +12 V/DC (or 12 V/AC)
2 GND (or 12 V/AC)
3 +24 V/DC
4 Relay 1 (shared connection; middle contact of the relay)
5 Relay 2 (closer contact of the relay, NO-contact)
6 Relay 3 (opener contact of the relay, NC-contact)
7 Button Input
8 GND
9 +5 V/DC
10 RX (is to be connected to TX, Pin 3 of the PC-RS232-cable)
11 TX (is to be connected to RX, Pin 2 of the PC-RS232-cable)
12 GND (is to be connected to GND, Pin 5 of the PC-RS232-cable)
13 Aerial 1
14 Aerial 2
15 Button
16 RS232 connection
17 Screw opening for installation of the aerial module (when used as a card reader)
18 Replaceable plastic side part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
15
17
18
