User manual
105G Wirless Gateway User Manual
Page 149 ©February 2009
6.4.4 Modbus Indicating LED’s
LED No Indication Description
1 - Not Used
2 Active Red
ERROR; This led indicates that communication is not OK.
3 Green
MBP Active; This led flashes in different patterns depending on
the module’s health (see below).
Flash every 160 ms; on 80ms, then off 80 ms.
Normal operation, the node is receiving and passing token.
Flash every 1 s:
This node is in MONITOR_OFFLINE state.
2 flashes, on 160 ms, then off 480 ms:
This node is in MAC_IDLE never-getting-token state.
3 flashes, on 160 ms, off 240 ms and finally off 1.6 s:
This node is not hearing any other nodes.
4 flashes, on 160 ms, then off 240 ms and finally off 1.2 s:
This node has detected duplicate node address.
4 Active Green
MBP Init; This LED indicates if the fieldbus interface is
initialized