ABB ACS2000 AFE 1MVA User Manual page 162

CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE
Profibus interface
—
References
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10-8 Profibus interface
During start-up
Power-on
DDCS link initialization
Transfer-rate detection
Communication established
Operation
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Table 10-4 Profibus LED description
LED
Master
Red
Off
Last valid state
Green
Flashing red
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10-8
1
2
3
4
LED
Master
Off
Off
Green then red then off
Off
Flashing green then green
Green
Green
MSG
Red
Red
Last valid state
Flashing red
Red
1. Fiber-optic connectors for communication cable to
the drive
• TXD = transmitter
• RXD = receiver
2. Reset button for initialization of module
3. Status LEDs
4. Bus-cable terminals
MSG
Off
Green then red then off
Off
Off
Off
Flashing green then green
Green
Cause
DDCS
Off RAM test failure
Red ROM test failure
red DDCS link failure
Flashing green Communication failure
Flashing green Link failure
DDCS
Green then red then off
Off
Off
Flashing green then green
Green
Green
Green
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