Manual

Recirculating coolers
35
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