67
11 Modbus register map
PXR TRIP UNITS FOR POWER DEFENSE MOLDED CASE CIRCUIT BREAKERS MN012007EN March 2019 www.eaton.com
11.3.8 Internal diagnostics
11.3.8.1 Modbus function 8ode 8 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 Data Action
0 Echo query
1 0000 remain the counters
00FF reset all counters
Restart communication
4 0000 Force listen
10 0000 Clear counters
11 0000 Modbus UART bus message count
12 0000 Modbus UART CRC error count
13 0000 Exception count
14 0000 Slave message count
15 0000 Slave no response count
16 0000 Slave NAK count
17 0000 Slave busy count
18 0000 Modbus UART over run error count
20 0000 Clear Modbus UART counters
23 0000 Modbus UART framing error count
24 0000 Modbus UART noise error count
25 0000 Modbus UART parity error count
26 0000 MCU1 firmware version
27 0000 MCU1 firmware reversion
28 0000 MCU1 firmware build
29 0000 MCU2 firmware version
30 0000 MCU2 firmware reversion
31 0000 MCU2 firmware build
32 0000 USB version
33 0000 USB reversion
34 0000 Reset block of registers
11.3.8.2 Real-time data diagnostics
Primary status
Definition Code
Open 0x01
Closed 0x02
Tripped 0x03
Alarmed 0x04
Picked-up 0x0D
Secondary status
Definition Code
Not applicable 0x01
Test mode 0x03
Powered-up since last trip/alarm reset 0x07
Alarm 0x08
To Next Page
Loading...
