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