9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com 65
403019 Settings - ground-fault
release (I
g
)
R/W Unsigned Settings - ground-fault release
(I
g
= n x I
n
)
NZM PXR20: R
NZM PXR25: R/W
NZM PXR20:
20: 0.2
30: 0.3
40: 0.4
60: 0.6
80: 0.8
100: 1.0
The following applies to the NZM PXR25:
The value range [20 - 100] corresponds to
0.2 to 1.0, in increments of 0.1 (10 for
values)
A
403020
Settings - delay time of
the ground-fault release
(t
g
)
R/W Unsigned Settings – delay time of the ground-fault
release (t
g
= x [ms])
NZM PXR20: R
NZM PXR25: R/W
NZM PXR20:
0: 0 (no delay)
2: 20
10: 100
30: 300
50: 500
75: 750
100: 1000
The following applies to the NZM PXR25:
The value range [0 - 100] corresponds to
0 to 1,000 ms, respectively, in increments
of 10 ms (10 for values)
ms
403021 Thermal memory (ground-
fault protection)
R/W Encoded Activates/deactivates the thermal
memory of the ground-fault protection.
Recommended for repetitive testing only.
Among other things, the thermal memory
protects the switch against overheating
during repeated overloads.
Must be reactivated after testing!
0: switched off
1: switched on
–
Register
number
Bit
field
Mask field Setpoint name R/W Format Description or value Unit
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