Momentum Modbus Plus 170 PNT Series Guia do Utilizador Página 124

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Using the Modbus Ports
124
870USE10110 July 2004
9-Pin D-Shell
Pinout
The illustration below shows the pinouts for wiring a male 9-pin D-shell connector for
RS485. The metal shell is connected to chassis ground.
Legend:
Master
Communication
Cable
The illustration below shows the pinout for the 170 MCI 041 10 Modbus RS485
(RJ45/RJ45) master communication cable.
Pin Function
1TXD +
2RXD +
3 Signal common
4 Reserved
5 Reserved
6TXD -
7RXD -
8 Reserved
9 Reserved
RXD-
RJ45 ConnectorRJ45 Connector
TXD-
TXD+
Not used
Signal
common
Shield
RXD+
Not used
RXD-
RXD+
TXD-
TXD+
Not used
Signal
common
Not used
Shield
Master
Communication
Cable
1
6
3
4
5
8
2
7
1
6
3
4
5
8
2
7
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