ABB ACS2000 AFE 2MVA - Page 166

CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE 166
Profibus interface
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References
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10-8 Profibus interface
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10-8
Fiber-optic connec
tors for communication c
able to the drive
-TXD
= transmitter
-RXD
= receiver
Reset button for in
itialization of module
Status LEDs
Bus-cable termin
als
1
2
3
4
1
2
3
4
During start-up LED
Master MSG DDCS
Power-on Off Off Green then red then off
Off Green then red then off Off
Green then red then off Off Off
DDCS link initialization Off Off Flashing green then green
Transfer-rate detection Flashing green then green Off Green
Communication established Green Flashing green then green Green
Operation Green Green Green
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Table 10-4 Profibus LED description
LED Cause
Master MSG DDCS
Red Red Off RAM test failure
Off Red Red ROM test failure
Last valid state Last valid state red DDCS link failure
Green Flashing red Flashing green Communication failure
Flashing red Red Flashing green Link failure