Rockwell Automation SB3000 Configuration and Programming - Manual (Page 51)

Configuring the UDC Module’s Registers 3-33
Drive Warning Register (Continued) 203/1203
Rail Communication Warning Bit 13
The Rail Communication Warning bit is set if
a rail communication problem occurs and is
logged in registers 4, 10, 16, or 22. Hex Value: 2000H
Sug. Var. Name: WRN_RAL@
Access: Read only
UDC Error Code: N/A
LED: I/O FLT
Refer to tables 3.4, 3.5, and 3.6 for further information.
CCLK Not Synchronized Warning Bit 14
The CCLK Not Synchronized Warning bit is
set if the CCLK counters in the Rectifier’s
PMI Processor and the UDC module are
momentarily unsynchronized. Hex Value: 4000H
Sug. Var. Name: WRN_CLK@
Access: Read only
UDC Error Code: N/A
LED: N/A
PMI Communication Warning Bit 15
The PMI Communication Warning bit is set if
a fiber-optic communication error is
detected between the Rectifier’s PMI
Processor module and the UDC module. Hex Value: 8000H
Sug. Var. Name: WRN_COM@
Access: Read only
UDC Error Code: N/A
LED: N/A
Communication errors in two consecutive messages will result in a drive fault.