Rockwell Automation SA500 Drive Configuration and Programming - Manual (Page 67)

Configuring the UDC Module’s Registers 3-35
Drive Warning Register (Continued) 203/1203
CCLK Not Synchronized in PMI Bit 14
The CCLK Not Synchronized in PMI bit is
set if the CCLK counters in the PMI and
UDC modules 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 PMI 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 cause a drive fault.