Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 228)

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Publication 1336 FORCE–5.13 –– September, 1998
Application Processor (AP) Status D1 and D2
These LEDs reflect the operational status of the application
processor.
LED: State: Function:
D1 (Red) LED on AP hard fault
LED off D6 on or hardware malfunction
LED blinking AP soft fault
D2 (Green) LED on Normal AP operation
LED off D3 on or hardware malfunction
LED blinking AP warning
Domino Processor (DP) Status D3 and D6
These LEDs reflect the operational status of the Domino processor.
LED: State: Function:
D3 (Red) LED on DP hard fault
LED off D6 on or hardware malfunction
LED blinking DP soft fault
D6 (Green) LED on Normal DP operation
LED off D3 on or hardware malfunction
LED blinking DP warning
PLC Communications Adapter Status D4, D5, D7, D9, and D11
These LEDs reflect the operational status of the drive permissives.
LED: State: Function:
D4 (Red) LED on System fault present
LED off System fault not present
D5 (Red) LED on External fault present
LED off External fault not present
D7 (Red) LED on Normal drive stop signal present
LED off Normal drive stop signal not present
D9 (Red) LED on Motor thermoguard open
LED off Motor thermoguard closed
D11 (Green) LED on Drive enable signal present
LED off Drive disabled