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Appendix A
Notes:
1.
Registers 40025 - 40030 contain unscaled voltage
values In order to obtain a full-scale voltage value,
use the following formula:
Voltage = (A/D Raw Value / 192) x
Full Scale Voltage (Register 40021)
i T
m
r e
P
W-W3, Unbypassed
W-W3, YE bypassed
T-T3, Unbypassed
Y-T3, YN bypassed
U
12
I
Read Only Register List
(cont'd)
V
a
u l
e
1
1 1
b
110b
101b
011b
010b
0
0 0
b
MX150/MX250 Series Modbus Network Card (71R-2200)
2.
Registers 40031 and 40032 contain unscaled
frequency values. In order to obtain a full-scale
frequency value, use the following formula:
Scales Frequency + (20,000,000 / Period Count)
Reason Code
Description
0
S1 Fail
1
S2 Fail
2
S1 Phase Imbalance
3
S2 Phase Imbalance
4
S2 Start
5
S2 Stop
6
Sync Fail
7
Load Shed
8
ATS Inhibit
9
Phase Rotation
10
Remove Test
11
Local Test
12
S1-S2 Volt. Imbalance
13
S1-S2 Freq. Imbalance
14
CT Xfr S1>S2
15
CT Xfr S2>S1
16
Xfr S1>S2
17
Xfr S2>S1
18
19
20
No Xfr
21
OLC
22
STE
23
S1 UV Fail
24
S1 OV Fail
25
S1 UF Fail
26
S1 OF Fail
27
S2 UV Fail
28
S2 OV Fail
29
S2 UF Fail
30
S2 OF Fail
31
S1 Restore
32
S2 to Open
33
Exerciser
34
Remote Test Network
35
Remote Inhibit
36
Local Inhibit
37
S2 Avail
38
S2 Off
ABB Zenith
I
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