9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
76
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
9.3.10 Primary status codes
Table 37: Primary status codes
9.3.11 Secondary status codes
Table 38: Secondary status codes
9.3.12 Reason codes
Table 39: Reason codes
Code
Meaning
0x01
open
0x02
closed
0x03
tripped
0x04
Alarm active
0x0D
Threshold value active
Code
Meaning
0x01
not applicable
0x03
Test mode
0x07
has been switched on since last trip / triggered alarm
0x08
alarm
Code
Meaning
0x0000
unknown
0x0001
normal
0x0003
Instantaneous short circuit
0x000E
Auxiliary power supply too low
0x0011
Current imbalance
0x0021
Control via the communication interface
0x0025
Coil monitoring
0x002B
Diagnostic warning #2 (configuration read error)
0x003D
Overload
0x003E
Short-time delay
0x0049
Phase currents are close to the threshold value, load alarm
0x004C
Override
0x004D
Setpoint error
0x004E
Overtemperature
0x0050
Overload (neutral conductor)
0x0054
Ground fault
0x0071
Calibration