ABB ACS5000 User Manual page 153

ABB
Modbus interface
LED
XMIT Flashing
REC Flashing
ERROR Flashing
LED
XMIT, REC, ERROR
REC, ERROR
ERROR
Fig. 10-6 Modbus interface
5k A UM
1
2
3
4
Interface transmits a response or an exception
Interface receives a command from the Modbus network
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
On ROM checksum test failed
On RAM test failed
On DDCS-ASIC-register-access test failed
3BHS221906 ZAB E01 Rev. D
Chapter 10 - Preventive and corrective maintenance
1 Bus-cable terminals
Fiber-optic connectors for communication cable to the drive
2
■ TXD = transmitter
■ RXD = receiver
Status LEDs
3
4 Switch for bus termination
Meaning
Meaning
10-17 (36)