Extronics Limited
1 Dalton Way, Midpoint 18, Middlewich, Cheshire, UK. CW10 0HU
Tel:
+44 (0) 845 277 5000
Fax:
+44 (0)845 277 4000
E-mail:
Web:
18
Supply and data transfer with RS232 interface to the higher-level system outside the
hazardous area
The wires are connected with the attached Sub-D plug. Supply via wires 5 and 6. When
connecting without Sub-D, the shield must be connected to GND. The supply line can also
be operated with RS422 interfaces. The wires of the RS422 connections must remain twisted
to the contact.
Ex e connection
Supply line type: SD.121.0002.01
wires
wire
definition
9 pole Sub-D RS232
Pin
1 (white)
TxD / RS232
2
2 (brown)
GND / RS232
5
3 (yellow)
TxD + / RS422
4 (green)
TxD - / RS422
5 (grey)
GND
6 (pink)
+UB
7
shield
SHL
