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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
69
Table 30: Event summary
Table 31: Historical trip / major alarm event
Register
number
Format
R/W
Description
(historical event overview)
408193
Encoded
R/W
Event type: summary = 0x8EFF
408194
Unsigned 32
R
Earliest event ID
408196
Unsigned 32
R
Latest event ID
408198
Unsigned 32
R/W
Requested event ID
408200
Unsigned 32
R
Previous event ID
408202
Unsigned 32
R
Next event ID
408204
Date/time
R
Date/time
408212
Encoded
R
Data format:
0x0000, 0x0001, 0x0004, 0x0005, 0x0005, 0x0006
408213
B0
R
Valid bit of the object
408214
Encoded
R
Cause of event:
00: boot process - time OK
01: download of the setpoint values
02: time has been adjusted
03: trip
04: alarm
05: test mode has been selected
06: exiting the test mode
08: boot process - no time
09: test completed
10: maintenance mode activated
11: maintenance mode deactivated
12: opened via the communication interface
13: closed via the communication interface
Register
number
Format
R/W
Description
Unit
408193
Encoded
R/W
Event type:
Trip: 0x80FF
Alarm: 0x81FF
–
408194
Unsigned 32
R
Earliest event ID
–
408196
Unsigned 32
R
Latest event ID
–
408198
Unsigned 32
R/W
Requested event ID
–
408200
Unsigned 32
R
Previous event ID
–
408202
Unsigned 32
R
Next event ID
–
408204
Date/time
R
Date/time
–
408212
Encoded
R
Data format:
Trip: 0x0004
Main alarm: 0x0005
–
408213
Bit 15 - Bit 0
R
Validity bits of the object
–
408214
Bit 31 - Bit 16
R
Validity bits of the object
–
408215
Encoded
R
Status reason (primary, secondary, reason)
–
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