Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C)
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Page 45
Status LEDs
The status LED’s are located along left of the Modbus Adapter, as pictured in Table 4:
Modbus Adapter (D77D-EMA) Front Features. The LED’s status changes depending on
the state of the Modbus Adapter.
The following tables list and describe the various states of the LAN, Modbus Adapter
Status LEDs; Modbus Module Status, Modbus Network Status and QCPort Channels.
Table 45 Status LED
LED State
Meaning
LAN LED
Amber
Flashes to signal network transmission or reception
Modbus Adapter Status LED
Flashing
The adapter is healthy.
On Solid
CPU Fault
Off
No Power or CPU Fault
Rapid Flash
Identify when CH Studio is connected
Module Status LED (MS)
Off
There is no power to the device
Green
Device is operating normally
Flashing Green
Adapter needs commissioning (mimor or soft fault)
A recoverable fault has been detected See Appendix D Modbus
Adapter Fault List
Flashing Red
A QCPort device is missing from the scan list
Red
A non-recoverable fault has been detected, the device may
need to be replaced
Flashing Green-Red
The device is performing a self test
