Eaton PXR10 - 10 Industrial Ethernet Communication Adapter Modules (ECAM)

9 Modbus RTU – integrated Modbus port specification
9.3 Modbus register map
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com 75
9.3.9 Internal diagnostics
The release supports the Modbus diagnostics for monitoring the internal
Modbus communication using function code 08.
Table 36: Diagnostics
Sub-
function
code
Data Action
0 Echo query
1 0000: The counters are retained
00FF: Clear all counters
Restart the communication interface
4
0000 Force listen
10 0000 Clear counters
11 0000 Number of Modbus UART bus messages
12 0000 Number of Modbus UART CRC errors
13 0000 Number of exceptions
14
0000 Number of slave messages
15 0000 Number of slave non-responses
16 0000 Number of slave NAKs
1)
17 0000 Number of “slave busy” messages
18 0000 Number of Modbus UART run errors
20 0000 Clear Modbus UART counters
23 0000 Number of “incorrect Modbus UART character length” errors
2)
24 0000 Number of “Modbus UART performance failure” errors
3)
25 0000 Number of Modbus UART parity errors
26
0000 MCU1 firmware version
27 0000 MCU1 firmware revision
28 0000 MCU1 firmware build
29
0000 MCU2 firmware version
30
0000 MCU2 firmware revision
31
0000 MCU2 firmware build
32 0000 USB firmware version
33 0000 USB firmware revision
34 0000 Reset the block of registers
35 0000 COM-MCU firmware version
36 0000 COM-MCU firmware revision
37 0000 COM-MCU firmware version
1) NAK = not acknowledged
2) Framing error
3) Noise error