Rockwell Automation SA3100 Distributed Power System Drv Config,Program User Manual

Page 71

Configuring the UDC Module’s Registers

3-33

Drive Fault Register (Continued)

202/1202

Ground Current Fault

Bit 2

The Ground Current Fault bit is set if ground
current exceeds the hardware trip point.

Hex Value:

0004H

Sug. Var. Name:

FLT_GND@

Access:

Read only

UDC Error Code:

1021

LED:

EXT FLT

For models A001/Q001 and A003/Q003 the hardware trip point is 20A @ 10V.
For all other models it is 100A @ 10V.

Instantaneous Overcurrent Fault

Bit 3

The Instantaneous Overcurrent (IOC) Fault
bit is set if either of the following conditions
is detected:

Hex Value:

0008H

Sug. Var. Name:

FLT_IOC@

Access:

Read only

UDC Error Code:

1017

LED:

P.M. FLT

•

Output current is greater than 200% of the peak RMS current. Bits 0 to 5 in
register 204/1204 indicate which power device detected the overcurrent.

•

An inverter power device fault is detected. Bit 6 in register 204/1204 will be set if
the IOC fault is due to a power device overcurrent.

Power Supply Fault

Bit 4

The Power Supply Fault bit is set if the
output of the isolated +12V supply, or the
output of the external power supply for a G
or H frame drive, falls below the configured
low voltage threshold.

Hex Value:

0010H

Sug. Var. Name:

FLT_12V@

Access:

Read only

UDC Error Code:

1022

LED:

P.M. FLT

Bit 5

Reserved for future use.

Hex Value:

0020H

Sug. Var. Name:
Access:

Read only

UDC Error Code:

1023

LED: