Using The Aux Port - Maple Systems Silver Series Installation And Operation Manual

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Using the Aux Port

The RS-232 aux port can be used to communicate to a secondary PLC. The setup screen for the aux port can be
found as a tab option under the Edit-System Parameters menu selection.
The AUX port isnot available in the HMI504T.
PLC [RS-232] + AUX [RS-232] Port
Pin Designations
Pin assignment of the 9-pin, female Sub-D, PLC [RS-232] Port
Pin #
1
2
3
4
5
6
7
8
9
1010-1001a, Rev 02
Symbol PLC [RS-232]
Aux_TxD
TxD Transmitted Data
RxD Received Data
Not used
GND
Aux_RxD
CTS Clear to send input
RTS Ready to send output
Not used
Sil ver Se ries In stal la tion & Op er a tion Man ual
AUX [RS-232]
Transmitted Data
Signal Ground
Received Data