ABB ACS2000 DFE User Manual page 144

144 ACS2000 DFE UM 3BHS360367 ZAB E01 REV. K
Modbus RTU interface
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References
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10-7 Modbus RTU
LED
interface
XMIT
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10-8 Profibus interface
REC
ERROR
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Table 10-3 Modbus RTU LED description
LED
XMIT, REC, ERROR
REC, ERROR
ERROR
Profibus interface
During start-up
Power-on
DDCS link initialization
Transfer-rate detection
Communication established Green
Operation
1. Bus-cable terminals
2. Fiber-optic connectors for communication
cable to the drive
- TXD = transmitter
- RXD = receiver
3. Status LEDs
4. Switch for bus termination
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10-7
Meaning
Flashing Interface transmits a response or an exception
Flashing Interface receives a command from the Modbus network
Flashing If the received command has a parity error, or
if the received command has a CRC error, or
if the received command is not supported by the interface, or
if the interface has detected an error
Error indication Meaning
On ROM checksum test failed
On RAM test failed
On DDCS-ASIC-register-access test failed
LED
Master
Off
Off
Green then red then off
Off
Flashing green then green
Green
1
2
3
4
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10-8
MSG
Off
Green then red then off
Off
Off
Off
Flashing green then green
Green
1
2
3
4
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
DDCS
Green then red then off
Off
Off
Flashing green then green
Green
Green
Green