Rockwell Automation SD3000 Drive Configuration, Programming User Manual
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PMI A/B Status Register (Continued)
Bit: 5
Hex Value: 0020H
Sug. Var. Name:
N/A
Range:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
Description:
The Transmitter Underrun bit is set when the USC reports a transmit first-in, first-out
underrun.
Bit: 6
Hex Value: 0040H
Sug. Var. Name:
N/A
Range:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
Description:
The CCLK Communication Synchronization Error bit is set when two or more CCLK
counter ticks occur and no message is received.
Bit: 8
Hex Value:
01 OOH
Sug. Var. Name:
N/A
Range:
N/A
Access:
Read only
UDC Error Code:
LED:
N/A
Description: The UDC CCLK Communication Synchronization Error bit is set if two UDC CCLK ticks
occur and no message is received from the PMI.
Bit: 9
Hex Value: 0200H
Sug. Var. Name:
N/A
Range: N/A
Access:
Read only
UDC Error Code: N/A
LED:
N/A
Description:
The Multiplexed Data Verification Failure bit is set if data multiplexed into command/
feedback messages does not verify.
Bit:
12
Hex Value:
1 OOOH
Sug. Var. Name:
N/A
Range:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
Description:
The Invalid PMI Start Operating System Address bit is set by the PMI if the operating
system is not within the allocated operating system address area. This condition will cause the load-
ing of the PMI operating system to fail; however, the UDC module and the PMI will continue to retry
loading the PMI operating system.
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