9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com 77
9.3.13 Device information
The device information (fixed data range) includes, for example,
the device name, model name, catalogue number, version number, serial
number, date code, firmware version 1 and 2, USB version, and product ID.
Table 40: Reason code definitions
0x0088 Real-time clock
0x0099 Maintenance mode
0x009A Fault in the breaker mechanism
0x07FC Digital bypass
0x07FD Non-volatile memory failure
0x07FE Watchdog fault
0x07FF Motor alarm or motor tripping
Code Meaning
Register
number
Modbus
address
Description Format Range Register Comment
404497 0x1190 Device name ASCII 16 characters 8 EATON PXR20
EATON PXR25
404505
0x1198 Model name ASCII 16 characters 8 PXR 20/25 MCCB
404513 0x11A0 Catalogue number ASCII 32 characters 16 internal catalogue number
(max. 20 characters)
404529
0x11B0 Style number ASCII 32 characters 16 internal version number
(max. 20 characters)
404545
0x11C0 Serial number ASCII 32 characters 16 if supported
404561
0x11D0 Date code ASCII 12 characters 6 yy.mm.dd
404567
0x11D6 Firmware version 1 ASCII 16 characters 8 Sample version 01.02.0033
404575
0x11DE Firmware version 2 ASCII 16 characters 8 Sample version 01.02.0033
404583 0x11E6 USB version ASCII 16 characters 8 Sample version 01.02.0033
404591 0x11EE Release family U16 16-bit 1 PXR10: 0x02
PXR20: 0x01
PXR25: 0x01
404592 0x11EF Standard U16 16-bit 1 IEC only: 0x01
UL only: 0x02
UL
/
IEC: 0x03
404593 0x11F0 Poles U16 16-bit 1 3-pole / 4-pole
404607 0x11FE Product ID Bitmap 32-bit 2 ppppppvvvvdddddd
Division code (dddddd) 6 (0x06)
Product code (pppppp):
2: NZM2 PXR
3: NZM3 PXR
4: NZM4 PXR
Comm version (vvvv) 0
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