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9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
53
Table 24: Real-time data register
Register number
Register address
(HEX)
Object
IEEE floating
point
Fixed point
(FP)
IEEE floating
point
Fixed point
(FP)
Description
(Values in brackets reflect the
American notation.)
Unit
Sca
le
factor (FP)
404609
406145
1200
1800
Cause of status:
High byte = primary status
Low byte = secondary status
–
404610
406146
1201
1801
Cause code:
404611
406147
1202
1802
I
L1
(IA)
A
10
404613
406149
1204
1804
I
L2
(IB)
A
10
404615
406151
1206
1806
I
L3
(IC)
A
10
404617
406153
1208
1808
I
G
(IG)
A
10
404619
406155
120A
180A
I
N
( IN)
A
10
404623
406159
120E
180E
U
L1-L2
(VAB)
V
10
404625
406161
1210
1810
U
L2-L3
(VBC)
V
10
404627
406163
1212
1812
U
L3-L1
(VCA)
V
10
404631
406167
1216
1816
U
L1-N
(VAN)
V
10
404633
406169
1218
1818
U
L2-N
(VBN)
V
10
404635
406171
121A
181A
U
L3-N
(VCN)
V
10
404651
406187
122A
182A
Active 3-phase power
W
1
404653
406189
122C
182C
Reactive 3-phase power
Var
1
404655
406191
122E
182E
Apparent 3-phase power
VA
1
404659
406195
1232
1832
Power factor
–
100
404661
406197
1234
1834
Frequency
Hz
10
404697
406233
1258
1858
Peak active power demand
W
1
404719
406255
126E
186E
Product ID
–
–
404721
406257
1270
1870
Frequency
Hz
100
—
406259
—
1872
Active energy (forward)
kWh
1
—
406261
—
1874
Active energy (reverse)
kWh
1
—
406263
—
1876
Active energy combined (= f reverse)
kWh
1
—
406271
—
187E
Apparent energy
kVAh
1
—
406305
—
18A0
Active energy (forward)
Wh
1
—
406309
—
18A4
Active energy (reverse)
Wh
1
—
406313
—
18A8
Active energy combined (= f reverse)
Wh
1
—
406329
—
18B8
Apparent energy
VAh
1
404797
406333
12BC
18BC
Peak reactive power demand
Var
1
404799
406335
12BE
18BE
Peak apparent power demand
VA
1
404845
406381
12EC
18EC
Active power demand
W
1
404847
406383
12EE
18EE
Reactive power demand
Var
1
404849
406385
12F0
18F0
Apparent power demand
VA
1
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