Hitachi HX-RIO3 Series User Manual page 26
Modbus programmable light i/o
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Also See for HX-RIO3 Series:
- Manual (68 pages) ,
- User manual (63 pages) ,
- User manual (34 pages)
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Sub-function 0x0000 (0) Return Query Data
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 of 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
0x0001 (1)
0x55AA+0xAB7B+Sumcheck 4)
0x0001 (1)
0x55AA+0xAA55+Sumcheck 4)
1),2),3) All expansion slot configuration parameters are cleared.
2),3) IP Address, Subnet Mask Address, Gateway Address, RS232/485 setting, and Bootp/DHCP mode will
be the factory defaults value.
3) Mac Address will be the factory default value.
4) Refer to 3.2.2 for Sum check (0x1006)
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 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.
Data Field (Response)
Echo Request Data
Data Field (Response)
Echo Request Data
Echo Request Data
Echo Request Data
Echo Request Data
Data Field (Response)
Echo Request Data
Data Field (Response)
Total Message Count
HX-RIO3 Series
Description
Description
Reset
Reset with Default Setting 1)
Reset with Factory default 2)
Reset with Factory default 3)
Description
Description
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