3BHS212794 E01 REV M ACS6000 USER MANUAL 227/278
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
10.3.3.2 S800 I/O bus modem TB820
Figure 10-4 TB820 bus modem
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.
10.3.3.3 S800 I/O modules
LEDs on I/O modules having the same meaning on all types of I/O modules
are always at the same position. The LEDs are always at the topmost
position on each module (Fig. 10-5: 1) and are identified as follows:
• F: fault
• R: run
• W: warning
• O or OSP (only output modules)
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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