9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
64
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
403014
Settings - delay time of
the short-time delayed
short-circuit release (t
sd
)
R/W
Unsigned
Settings - delay time of the short-time
delayed short-circuit release (t
sd
= 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 0.1 (10 for values)
ms
403015
Settings - instantaneous
short-circuit release (I
i
)
R/W
Unsigned
Settings - instantaneous short-circuit
release (I
i
= n x I
n
)
NZM PXR20: R
NZM PXR25: R/W
NZM PXR20:
20: 2
30: 3
40: 4
50: 5
60: 6
70: 7
80: 8
90: 9
100: 10
110: 11
120: 12
140: 14
160: 16
180: 18
The following applies to the NZM PXR25:
The value range [20 - 180] corresponds to
2 to 18, in increments of 0.1 (1 for values)
A
403016
0
0x0001
Type of ground-fault
detection
R
Unsigned
Type of ground-fault detection:
0: differential current detection
–
403017
0 – 1
0x0003
Settings - functioning of
the ground-fault
protection
R/W
Encoded
Type of ground-fault protection
0: trip
1: alarm
2: OFF
–
403018
0
0x0001
ground-fault release -
waveform
R/W
Encoded
ground-fault release - waveform:
0: flat
1: I
2
t
–
Register
number
Bit
field
Mask field
Setpoint name
R/W
Format
Description or value
Unit
