Rockwell Automation SB3000 Configuration and Programming - Manual (Page 37)

Configuring the UDC Module’s Registers 3-19
Drive Control Register (Continued) 100/1100
Enable Parallel Power Module B Bit 11
This bit is set to enable the bridge test in the
second power module in a parallel power
module configuration. Bit 2 in this register
must be set first and the pre-charge
contactor must close before this bit can be
set. Hex Value: 0800H
Sug. Var. Name: PPM_ENB@
Access: Read only
UDC Error Code: N/A
LED: N/A
See the description of bit 2 above and G for more information about performing the
bridge test.
Enable Parallel Power Module C Bit 12
This bit is set to enable the bridge test in the
third power module in a parallel power
module configuration. Bit 2 in this register
must be set first and the pre-charge
contactor must close before this bit can be
set. Hex Value: 1000H
Sug. Var. Name: PPM_ENC@
Access: Read only
UDC Error Code: N/A
LED: N/A
See the description of bit 2 above and G for more information about performing the
bridge test.
UDC Task Running Bit 15
The UDC Task Running bit is a status bit
that indicates that the UDC task is running.
This bit is used by the PMI Regulator to
prevent the minor loop from running if the
UDC task is not running. Hex Value: 8000H
Sug. Var. Name: UDC_RUN@
Access: Read only
UDC Error Code: N/A
LED: N/A
This bit must NOT be written to by the user. This is a status bit that must only be
written to by the operating system.