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Status Information
Section 6-4
6-4
Status Information
The status of DeviceNet communications is indicated by the CPM2C-S PC’s
LED indicators and AR area flags. In addition, the PC Setup can be set so that
the CPM2C-S PC’s operating status information is attached to remote I/O
transmissions from the CPM2C-S to the Master Unit.
6-4-1
LED Indicators
The status of DeviceNet communications is indicated on the CPM2C-S PC’s
LED indicators.
Indicator
Color
Status
Function
Meaning
MS
Green
Lit
Normal status
Normal status
Flashing
Incomplete settings status
Reading switch settings
Red
Lit
Fatal error
Hardware error (watchdog timer error)
Flashing
Non-fatal error
Error such as incorrect switch settings
---
Not lit
Power is not being supplied.
• Power is not being supplied.
• Waiting for initialization to start
• Reset in progress
NS
Green
Lit
Online/Communications established
Normal network status when communica-
tions have been established
Flashing
Online/Communications not established
Normal network status when communica-
tions haven’t been established
Red
Lit
Fatal communications error
Communications error (The Unit detected
an error indicating that network communica-
tions are disabled.)
• Node number duplication
• Bus off error detected
Flashing
Non-fatal communications error
Communications timeout
---
Not lit
Offline/Power supply OFF
Waiting for completion of the node number
duplication check in the Master.
• Incorrect switch settings
• Power supply OFF
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