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9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
66
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
Table 27: Setting group 2: “Modbus” group
403022
Settings - neutral
protection
R/W
Unsigned
Adjusts the neutral protection of an NZM
PXR25 breaker with a “/VAR” variably
adjustable neutral conductor
0 = 0 %
60 = 60 %
100 = 100 % (default setting)
The lower setting affects the LSI
protection functions of the switch, but
not the ground-fault protection function
(“G”).
Note:
L =
l
ong delay (= overload protection I
r
)
S =
s
hort delay (= short-time delayed
short-circuit protection I
sd
)
I =
i
nstantaneous (= instantaneous short-
circuit protection I
i
)
G =
g
round fault (= ground fault
protection I
g
)
%
403023
1)
Load alarm 2
R/W
Unsigned
Load alarm 2 level (AL2 = x % x I
r
):
50 - 120 (in increments of 1)
%
403024
Pre-alarm of the ground-
fault release
R/W
If the ground-fault protection function is
set to “trip” (see register 403017),
a pre-alarm can also be set.
(GF
pre-alarm
= x % x I
g
)
50 - 100 (in increments of 5 %)
%
1) Function is not supported by PXR20!
Register
number
Bit
field
Mask field
Setpoint name
R/W
Format
Description or value
Unit
Register
number
Bit
field
Mask field
Setpoint name
R/W
Format
Value
Unit
403000
15 - 0
0xFFFF
Password
W
Encoded
0000 (default setting)
–
403001
15 - 0
0xFFFF
Group 2 = on-board
Modbus
R/W
Encoded
0x02FF
–
403002
15 - 0
Integrated Modbus -
communication address
R/W
Encoded
001 - 247
(default setting 002)
–
403003
15 - 0
Integrated Modbus - baud
rate
R/W
Encoded
00: 9,600 bit/s
01: 19,200 bit/s (default setting)
02: 38,400 bit/s
02: 57,600 bit/s
–
403004
15 - 0
Integrated Modbus - parity
R/W
Encoded
00: none
01: odd
02: even (default setting)
–
403005
15 - 0
Integrated Modbus -
stop bit
R/W
Encoded
00: 1 bit
01: 2 bits (default setting)
–
Содержание Power Xpert PXR 10
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