Hitachi HX-RIO3 Series User Manual page 26
Modbus rtu network adapter light
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Also See for HX-RIO3 Series:
- Manual (68 pages) ,
- User manual (63 pages) ,
- User manual (40 pages)
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The data passed in the request data field is to be returned (looped back) in the response.
The entire response message should be identical to the request.
Sub-function
Data Field (Request)
0x0000(0)
Any
Sub-function 0x0001(1) Restart Communications Option
The remote device could be initialized and restarted, and all its communications event counters are cleared.
Especially, data field 0x55AA make the remote device to restart with factory default setup of EEPROM.
Sub-function
Data Field (Request)
0x0001(1)
0x0000 or 0xFF00
0x0001(1)
0x55AA+0xAB7B+Sumcheck
0x0001(1)
0x55AA+0xAA55+Sumcheck
1) Watchdog time value, auto recovery will be the factory defaults value.
2) Mac Address, IP Address, Subnet Mask Address, Gateway Address will be the factory default value.
Sub-function 0x000A (10) Clear Counters and Diagnostic Register
The goal is to clear all counters and the diagnostic register. Counters are also cleared upon power–up.
Sub-function
Data Field (Request)
0x000A(10)
0x0000
Sub-function 0x000B (11) Return Bus Message Count
The response data field returns the quantity of messages that the remote device has detected on the
communications system since its last restart, clear counters operation, or power–up.
Sub-function
Data Field (Request)
0x000B(11)
0x0000
Sub-function 0x000C (12) Return Bus Communication Error Count
The response data field returns the quantity of CRC errors encountered by the remote device since its last
restart, clear counters operation, or power–up.
Sub-function
Data Field (Request)
0x000C(12)
0x0000
Sub-function 0x000D (13) Return Bus Exception Error Count
The response data field returns the quantity of MODBUS exception responses returned by the remote device
since its last restart, clear counters operation, or power–up.
Exception responses are described and listed in section 6.2.11.
Sub-function
Data Field (Request)
0x000D(13)
0x0000
Sub-function 0x000E (14) Return Slave Message Count
The response data field returns the quantity of messages addressed to the remote device, or broadcast, that
the remote device has processed since its last restart, clear counters operation, or power–up.
Sub-function
Data Field (Request)
0x000E(14)
0x0000
Data Field (Response)
Echo Request Data
Data Field (Response)
Echo Request Data
Echo Request Data
Echo Request Data
Data Field (Response)
Echo Request Data
Data Field (Response)
Total Message Count
Data Field (Response)
CRC Error Count
Data Field (Response)
Exception Error Count
Data Field (Response)
Slave Message Count
HX-RIO3 Series
Description
Description
Reset
Reset with Factory default
Reset with Factory default
Description
Description
Description
Description
Description
1)
2)
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