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)
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
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