Eaton Power Xpert PXR 10, Manual

Page: 59 / 172

9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com
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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)