Rockwell Automation SB3000 Configuration and Programming - Manual (Page 28)

3-10 SB3000 Drive Configuration and Programming
UDC Module Communication Status Register (Continued) 80/1080
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
External Loopback Data Error Bit 7
The External Loopback Data Error bit is set
during the UDC module loopback test if the
transmit message does not match the
receive message. This test is performed
only at power up or after a reset. Hex Value: 0080H
Sug. Var. Name: N/A
Access: Read only
UDC Error Code: N/A
LED: N/A
Missed Gains Bit 8
The Missed Gains bit is set if gain data from
the PMI could not be written because
memory was being written to when the gain
values were received. Hex Value: 0100H
Sug. Var. Name: N/A
Access: Read only
UDC Error Code: N/A
LED: N/A