Eaton Power Xpert Release PXR 10 Manual page 43

10.3.3 Set points registers
The trip unit's set points are organized into groups. Each group can be considered as a
binary array of information which can be obtained through Modbus register access. Register
403001 is an R/W register used to select the particular group (Default selected group 0).
The high byte contains the requested group number, while the low byte must contain
255(0FF16). The set points register can be read using function code 03 or 04. Register
403001 can be written using function code 06 or 16. For trip units which support write set
points capabilities, the set points group 0/1/2 should be written one by one using function
code 06, the set points group four should be written the whole group using function code
16. Before reading or writing the set points, register 403001 should be written to choose
corresponding group. Before writing any set points, you must input correct password, and
write the set points within ten seconds after password checks ok.
Set points group 0: system group
Register bit mask set point
number field field name
403000 15-0 Password
403001 15-0 0xFFFF Group 0 = system R/W
403002 12-0 0x1FFF Rating
information
403003 2-0 0x0007 Breaker frame
PXR tRiP units foR PoweR Defense molDeD case ciRcuit bReakeRs MN012007EN June 2018 www.eaton.com
R/w format Value definition
W "0000" (factory default)
0x00FF
R Encoded PD2
PD3A: 125, 250, 400.
PD3B: 400, 600, 630.
PD4: 800, 1000.
PD5:
PD6:
R Encoded 00 --> NRX NF
01 --> NRX RF
11 --> NZM2
12 --> NZM3
13 --> NZM4
21 --> PD2
22 --> PD3-A
23 --> PD3-B
24 --> PD4
25 --> PD5
26 --> PD6
9 Available protection settings
unit
A
39