Delta Mynah PLC-5 User Manual Page 23

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Powerful Solutions for Digital Plants
MYNAH Technologies  504 Trade Center Blvd.  Chesterfield, MO 63005  Telephone 636 681-1555  Fax 636 681-1660
www.mynah.com
22
6.3 Wiring Connections for RS-232 Communications
The figure below shows the connections between the 1785-KE module RS-232 port and
the serial card I/O termination block.
Serial Card
Term. Block
KE 15-Pin
RS-232 Port
Shield
(GND)
(TXD)
(RXD)
(DTR)
(DSR)
(GND)
(RXD)
(TXD)
(DSR)
(DTR)
(RTS)
(CTS)
(GND)
9
16
(DCD)
11
13
15
1
7
13
3
2
6
8
11
4
5
1
8
3
5
7
P1 P2
The figure below shows the connections between the 1770-KF2 module RS-232 port and
the serial card I/O termination block.
Serial Card
Term. Block
KF2 25-Pin
RS-232 Port
Shield
(GND)
(TXD)
(RXD)
(DTR)
(DSR)
(GND)
(RXD)
(TXD)
(DSR)
(DTR)
(RTS)
(CTS)
(DCD)
9
11
13
15
16
1
7
3
2
6
8
20
4
5
1
3
5
7
8
P1 P2
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