Electrical connections
36
8. Electrical
connections
Notice:
Use shielded cables only.
The shield of the connecting cable is electrically connected to the plug
housing.
SF + AF
4
1
3
2
1
4
2
3
Shield
Plug
Look on
soldering side.
Pt100
Connectors for temperature sensors(11 + 12)
Pin assignment:
Pin 1
C
Pin 2
V
Pin 3
Voltage -
Pin 4
Current -
The shield of the connecting cable is electrically connected to the
plug housing and the sensor tube.
9
6
5
1
RS232C serial interface (13)
This port can be used to connect a computer with an RS232C
cable for remote control of the controller.
Pin assignments RS232:
Pin
2
RxD
Receive
Data
Pin
3
TxD
Transmit
Data
Pin 5
0 V
Signal GND
Pin 7
RTS
Request to send
Pin 8
CTS
Clear to send
Pin 1; 4; 6, 9 Reserved - do not use!
RS232 interface cable
Circulator (9-pol)
PC (9-pol)
Pin 2 RxD
⇔
Pin 3 TxD
Pin 3 TxD
⇔
Pin 2 RxD
Pin 5 GND
⇔
Pin 5 GND
Pin 7 RTS
⇔
Pin 8 CTS
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
