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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
55
Power objects are presented as fixed-point values in either the two-register
fixed-point data format or the four-register coding format.
The two-register format is displayed in kilowatt hours.
404981
406517
1374
1974
Counter - external actuation
1)
–
1
404983
406519
1376
1976
Time of last actuation
(year, month, day, hour, minute, second)
–
405009
406545
1390
1990
Operating time
2)
in minutes
min
1
405011
406547
1392
1992
Operating time
2)
in hours
h
1
405013
406549
1394
1994
Operating time
2)
in days
d
1
405015
406551
1396
1996
Residual life
3)
points
–
1) An external actuation is a switching operation that is not initiated by the trip unit, such as manual switching, switching via an externally wired remote
operator or the actuation of a push-to-trip button.
2) The operating time counter will start as soon as the device is energized, either autonomously or through an external power supply.
3) 0 points
≙
100 % residual life
10.000 points
≙
0 % residual life
Conversion formula: Residual life expressed as a percentage = 100 - (point value / 100)
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
Scale
factor (FP)
Содержание Power Xpert PXR 10
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