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Appendix A – NMEA 2000® Interfacing
SIM100 NMEA 2000® Periodic Data Transmitted PGNs
PGN 127501 – Binary Switch Bank Status
The SIM100 uses this PGN to transmit the state of each of the connected switch inputs
Field 1: Indicator Bank Instance – This field identifies the particular switch bank to which this PGN applies. Please refer to Section 2.5.1 for instructions on how to program the value of this field.
2:Indicator #1 – This field indicates the state of the switch connected to the SW1A and SW1B inputs of the SIM100. The state will be one of the following values:
•“Closed” – The monitored switch is closed.
•“Open” – The monitored switch is open.
•“Error” – There is an open connection between the SIM100 and the monitored switch. This state can occur only when the indicator is configured to use an End of Line Resistor.
•“Data Not Available” – The indicator is configured as “Disabled”
3:Indicator #2 – This field indicates the state of the switch connected to the SW2A and SW2B inputs of the SIM100.
4:Indicator #3 – This field indicates the state of the switch connected to the SW3A and SW3B inputs of the SIM100.
5:Indicator #4 – This field indicates the state of the switch connected to the SW4A and SW4B inputs of the SIM100.
6:Indicator #5 – This field indicates the state of the switch connected to the SW5A and SW5B inputs of the SIM100.
7:Indicator #6 – This field indicates the state of the switch connected to the SW6A and SW6B inputs of the SIM100.
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