10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 168/186
10.5.2 S800 I/O bus modem TB820
Figure 10-4 TB820 bus modem
10.5.2.1 Bus modem address
The TB820 bus modem has a unique cluster address that identifies the
module in the software and links it to a parameter.
The address is set with the rotary switch on the module (Fig. 10-4: 1). The
factory-set value must not be changed.
LED Color Indication
F Red Fault in module
R Green Device in operation
P Green Power supply is healthy
Rx1 Yellow Traffic on optical module bus
Rx2 Yellow Traffic on optical module bus
ERx Yellow Traffic on electrical module bus
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