Omni 4000 Series - Page 50

OMNI 4000/7000 Installation Guide – Rev H
3-28
Installation
Figure 3-23: Example Serial Module Wiring to a PC or SCADA Device
Figure 3-24: Example Peer to Peer Wiring of Serial Modules
Figure 3-25: Example of Peer to Peer Wiring to a PLC Device
Module
Serial
DB9
Connector
Female
2
3
4(10)
2(8)
3(9)
5(11)
6(12)
1(7)
5
RX
TX
RET
7
RTS
(Optional)
MODEM or RADIO
Jumper provides pulldown terminating resistor to -9v
*
*
or via
Direct Connect
PC or SCADA DEVICE
Module
Serial
10 GND
8
9
11 A
12
7 B
COMPUTER,
OMNI
MASTER
COMPUTER
OMNI
COMPUTER
OMNI
COMPUTER
OMNI
10
9
11
12
7
8
10
9
11
12
7
8
10
9
11
12
7
8
Module
Serial
Module
Serial
Module
Serial
RS485 2-Wire
Terminated
RS485 2-Wire
Non-Terminated
RS485 2-Wire
Non-Terminated
RS485 2-Wire
Non-Terminated
Module
Serial
RS-485
Terminated
PLC DEVICE
10 GND
8
9 RX-B
11 TX-A
12 RX-A
A
A
B
7 TX-B
COMPUTER
OMNI
COMPUTER
OMNI
COMPUTER
OMNI
COMPUTER
OMNI
MASTER
RX
TX
10
9
11
12
7
8
10
9
11
12
7
8
10
9
11
12
7
8
Module
Serial
Module
Serial
Module
Serial
B
RS485 4-Wire
Non-Terminated
RS485 4-Wire
Non-Terminated
RS485 4-Wire
Non-Terminated
RS485 4-Wire
Terminated