Rockwell Automation 2364F Regenerative DC Bus Supply Unit (RGU) User Manual
Page 110

Publication 2364F-5.01– October 2003
10-4
Interpreting and Setting Status, Command, and Fault Words
Table 10.2 Descriptions of Bits
Host Processor Command Word (P32)
Bit
Description
0
Clear faults
1
Enable the RGU
2
Reset watt-hour meter
3
Save parameters
4
Recall parameters
5
Initialize parameters using defaults
6
Clear warnings
7
Reset RGU
8
Clear Fault Que
9
Clear Warning Que
10
Disable RGU
11
Reset the RGU
12
RESERVED
13
RESERVED
14
RESERVED
15
RESERVED
Host Processor Status Word 1 (P33)
Bit
Description
0
Hard fault has occurred
1
Warning fault has occurred
2
Clear fault(s) request pending
3
Clear warning(s) request pending
4
Bus control relay closed
5
Bus is at half of its rated voltage
6
Bus is at rated voltage
7
RGU enabled
8
DSP processor is ready
9
Bus control is ready
10
RESERVED
11
RESERVED
12
RESERVED
13
DC bus precharge complete
14
RGU control is ready
15
DC bus is under RGU control
Host Processor Mode Word (P35)
Bit
Description
0
Operate in regenerative mode only
1
Error limitor is enabled
2
Auxiliary limit is used for current limit
3
Linearizer enabled
4
RESERVED
5
RESERVED
6
RESERVED
7
RESERVED
8
RESERVED
9
RESERVED
10
RESERVED
11
RESERVED
12
RESERVED
13
RESERVED
14
RESERVED
15
RESERVED
Host Processor Status Word 2 (P34)
Bit
Description
0
Hard fault has occurred
1
Warning fault has occurred
2
Power factor is lagging
3
I
q
is negative limited
4
Iq is negative limited
5
External clear fault required
6
Regenerating current
7
External enable activated
8
M1 feedback (1=closed)
9
DC bus at voltage
10
Wire overtemperature (I
2
t) monitoring is active
11
Wire overtemperature (I
2
t) warning
12
RESERVED
13
RESERVED
14
RESERVED
15
DC bus is under RGU control