Eaton Power Xpert Release PXR 10 Manual page 54

9 Available protection settings
10.3.7 Date and time
Trip unit supports Modbus master read real-time clock information. Eight registers, starting
from register number 402921 are reserved for this information, as defined in 0. Detailed
information is listed in 0. User could set system time through function code 16.
Definition modbus register number
Month 402921
Day 402922
Year 402923
Day of week 402924
Hour 402925
Minute 402926
Second 402927
1/100th second 402928
10.3.8 Internal diagnostics
Trip unit support internal Modbus diagnostics to monitor internal Modbus port communica-
tion with function code 08. For different sub-function codes, diagnostics information is listed
below.
sub-function code
0
1
4
10
11
12
13
14
15
16
17
18
20
23
24
25
26
27
28
29
30
31
32
33
34
50
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modbus register address
0x0B68
0x0B69
0x0B6A
0x0B6B
0x0B6C
0x0B6D
0x0B6E
0x0B6F
Data
0000 remain the counters
00FF reset all counters
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
Data range
1-12
1-31
2000-2099
1=Sunday...7=Saturday
0-23
0-59
0-59
action
Echo query
Restart communication
Force listen
Clear counters
Modbus UART bus message count
Modbus UART CRC error count
Exception count
Slave message count
Slave no response count
Slave NAK count
Slave busy count
Modbus UART over run error count
Clear Modbus UART counters
Modbus UART framing error count
Modbus UART noise error count
Modbus UART parity error count
MCU1 firmware version
MCU1 firmware reversion
MCU1 firmware build
MCU2 firmware version
MCU2 firmware reversion
MCU2 firmware build
USB version
USB reversion
Reset block of registers