Dimplex SOLCU Installation And Operating Instructions Manual page 15

R1: output 1
R: output 
Rx Tx
A B
1 2 3 4 5
6 7 8 9
A
T
A
T Q 5V
+ T
EN
• Potential-free output via electromechanical relay; wire bridge must
be removed!
DANGER
Risk of death by electrocution!
In the event of use as a potential-free output, it must be ensured that

the connections cannot come into contact with the mains voltage.
R1
N R1 n.c n.c N
4.5.4 RS232 and RS485 interface, alarm output, and
Direct Sensor input
RS485 interface
A B Rx Tx
B Rx Tx
Q 5V
+
A B
B Rx Tx
T Q
Q 5V
+
730.138 | 08.1
R2
n.c n.c. R2
n.c. L L n.c. n.c. X
A B Rx Tx
1 2 3 4 5
RS3 interface
6 7 8 9
A B Rx Tx
1 2 3 4 5
Rx Tx
6 7 8 9
5V
+
Direct Sensor
(observe the manufacturer's
specifications)
T Q
Q
T
A B Rx Tx
A
1 2 3 4 5
6 7 8 9
D - Sub
9-pin socket
(solder side)
Alarm output, see chapter 14
A
5V
+
T Q 5V
+
5V
+
B Rx Tx
B Rx Tx
15