Electrical connections
34
Alarm output (M)
1
2
3
This potential-free change-over contact is activated in case
of an alarm.
Pins 2 and 3 are connected under the following conditions:
-
alarm
- status "OFF" and "rOFF"
- mains switch "off"
Switching capacity
max. 30 W / 40 VA
Switching voltage
max. 125 V
∼
/
−
Switching current
max. 1 A
Serial interface (K)
9
6
5
1
This interface is a 9-pole connector:
Pin 2 RxD Receive Data
Pin 3 TxD Transmit Data
Pin 5 Gnd
Pin 7 RTS Request to send
Pin 8 CTS Clear to send
Interface correspondence:
Circulator
Computer
⏐
Circulator
Computer
9-pole
25-pole
⏐
9-pole
9-pole
Pin 2 RxD
⇔
Pin 2 TxD
⏐
Pin 2 RxD
⇔
Pin 3 TxD
Pin 3 TxD
⇔
Pin 3 RxD
⏐
Pin 3 TxD
⇔
Pin 2 RxD
Pin 5 GND
⇔
Pin 7 GND
⏐
Pin 5 GND
⇔
Pin 5 GND
Pin 7 RTS
⇔
Pin 5 CTS
⏐
Pin 7 RTS
⇔
Pin 8 CTS
Pin 8 CTS
⇔
Pin 4 RTS
⏐
Pin 8 CTS
⇔
Pin 7 RTS
Accessories:
Order No.
Description
8 980 073
RS232 interface cable 9-pol./9-pol. , 2,5 m
8 900 110
USB interface adapter cable
