Rockwell Automation SA3100 Distributed Power System Drv Config,Program User Manual
Page 53
Configuring the UDC Module’s Registers
3-15
PMI Communication Status Register (Continued)
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Overrun Error
Bit 3
The Overrun Error bit is set if the USC
reports a receive first-in, first-out overrun.
Hex Value:
0008H
Sug. Var. Name:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
DMA Format Error
Bit 4
The DMA Format Error bit is set if the length
of the received message does not match the
length encoded in the message itself.
Hex Value:
0010H
Sug. Var. Name:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
Transmitter Underrun
Bit 5
The Transmitter Underrun bit is set if the
USC reports a transmit first-in, first-out
underrun.
Hex Value:
0020H
Sug. Var. Name:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A
CCLK Communication Synchronization Error
Bit 6
The CCLK Communication Synchronization
Error bit is set if two or more CCLK counter
ticks occur and no message is received.
Hex Value:
0040H
Sug. Var. Name:
N/A
Access:
Read only
Sug. Var. Name:
VDC_RUN@
UDC Error Code:
N/A
LED:
N/A
UDC CCLK Communication Synchronization Error
Bit 8
The UDC CCLK Communication
Synchronization Error bit is set if two UDC
CCLK counter ticks occur and no message
is received from the PMI.
Hex Value:
0100H
Sug. Var. Name:
N/A
Access:
Read only
UDC Error Code:
N/A
LED:
N/A