80459-641-01E Model 6 Motor Control Centers
10/2012 Section 9—iMCC
© 1999–2012 Schneider Electric All Rights Reserved
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Table 14: Read-Only Registers
RAM
Address
Relative
Address
Code Description Notes
A0 1A0 VOLTAV Average voltage L-L Volts
A2 1A1 IAVE Raw average current A (x100, x10, x1), multiplied by scale factor
A4 1A2 VUB
Voltage unbalance 0–100%
A6 1A3 IUB
Current unbalance 0–100%
A8 1A4 PFANGLE
Power factor angle Degrees
AA 1A5 CAPTY
Thermal capacity remaining 0–100%
AC 1A6 GFC Ground fault current A (x100, x10, x1), multiplied by scale factor
AE 1A7
ERCODE/TRIP
RN
Bit-real time errors and trip indicator
Bit # TRIPRN ERCODE
0 Fault lockout Low voltage
1 Remote stop High voltage
2 Contactor failure Unbalance voltage
3 Under current Under current
4 Over current Phase reversal
5 Ground fault Unbalance current
6 Current unbalance Single phase voltage > 25%
7
Current single phase > 50%
unbalance
Single phase current > 50%
B0 1A8 FH
NIBBLE_CODED -4 fault history
The four-fault history is based on the following scheme:
16 15 14
13 12 11 10 9 8 7 6 5 4 3 2 1, where bits 1–4 = Last fault, bits 5–8
= 2nd last fault, bits 9–12 = 3rd last fault, and bits 13–16 = 4th last
fault. These four bits indicate a hex value that corresponds to the
following faults:
01 High voltage
02 Low voltage
03 N/A
04 Contactor failure
05 Phase reversal
06 Single phase
07 Ground fault
08 Current unbalance
09 Remote off command
10 Overcurrent
11 Undercurrent
B2 1A9 PID
Manufacture year, month, product type/scale 8-bit year, 4-bit month, 4-bit I/O and scale
B4 1AA VA-C Line voltage A–C Volts
B6 1AB VB-C Line voltage B–C Volts
B8 1AC VA-B Line voltage A–B Volts
BA 1AD IC Raw current phase C A (x100, x10, x1), multiplied by scale factor
BC 1AE IB Raw current phase B A (x100, x10, x1), multiplied by scale factor
BE 1AF IA Raw current phase A A (x100, x10, x1), multiplied by scale factor
C0 1B0 RD1
Remaining restart delay RD1 Seconds
C2 1B1 RD2
Remaining restart delay RD2 Seconds
C4 1B2 RD3
Remaining restart delay RD3 Seconds
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