RTU32N Installation and Wiring
Guide
Brodersen A/S, Islevdalvej 187, DK-2610 Roedovre, Denmark, Tel: +45 45 35 26 27, Fax: +45 45 35 26 29, Email: [email protected]
16
5
SG
Signal ground
GND
6
DSR
Data set ready
Input
7
RTS
Request to send
Output
8
CTS
Clear to send
Input
9
RI
Ringing indicator
Input
Interface COM2 wiring – RS232 / RS485 / RS422 configurable, isolated.
D-sub 9pin Male connector. The wiring is according to the following tables:
For RS232:
Pin no
Signal
Description/Remarks
Input / Output
1
NC
Not used
-
2
RX
Receive data
Input
3
TX
Transmit data
Output
4
NC
Not used
-
5
SG
Signal ground
GND
6
NC
Not used
-
7
RTS
Request to send
Output
8
CTS
Clear to send
Input
9
NC
Not used
-
For RS485:
Pin no
Signal
Description/Remarks
Input / Output
1
NC
Not used
-
2
NC
Not used
-
3
Data-
Inverting data line
Bi-Directional
4
NC
Not used
-
5
SG
Signal ground
GND
6
NC
Not used
-
7
Data+
Noninverting data line
Bi-Directional
8
NC
Not used
-
9
NC
Not used
-
For RS422:
Pin no
Signal
Description/Remarks
Input / Output
1
NC
Not used
-
2
RX+
Noninverting receiver
Input
3
TX-
inverting driver
Output
4
NC
Not used
-
5
SG
Signal ground
GND
6
NC
Not used
-
7
TX+
Noninverting Driver
Output
8
RX-
Inverting receiver
Input
9
NC
Not used
-
Interface COM3 and COM4 wiring – RS232
RJ12 (RJ11) connector. The wiring is according to the following table:
Pin no
Signal
Description/Remarks
Input / Output
1
NC
Not used
-
2
TX
Transmit data
Output
3
SG
Signal ground
GND