Modbus Special Register Map; Adapter Identification Special Register (0X1000, 4096) - Hitachi HX-RIO3 Series User Manual

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9.3. MODBUS Special Register Map

The special register map can be accessed by function code 3, 4, 6 and 16. Also the special register map must
be accessed by read/write of each address (one address).

9.3.1. Adapter Identification Special Register (0x1000, 4096)

Address Access
0x1000(4096) Read
0x1001(4097) Read
0x1002(4098) Read
0x1003(4099) Read
0x1004(4100) Read
0x1005(4101) Read
0x1006(4102) Read
0x1010(4112) Read
0x101E(4126) Read
- String Type consists of valid string length (first 1word) and array of characters
Type, Size Description
1word Vendor ID = 0x029D(669), HITACHI
1word Device type = 0x000C, Network Adapter
1word Product Code = 0x9040
1word Firmware revision, if 0x0100, revision 1.00
2word Product unique serial number
String Product name string (ASCII)
up to 34byte "RIO3-PBA_Profibus,HX-RIO3 Series"
1word Sum check of EEPROM
2word Firmware release date
7word Composite Id of following address
- 1word 0x1100(4352), Modbus Node. (Fixed 0x0001)
- 1word 0x1000(4096), Vendor ID
- 1word 0x1001(4097), Device type
- 1word 0x1002(4098), Product code
- 1word 0x1003(4099), Firmware revision
- 2word 0x1004(4100), Product serial number
HX-RIO3 Series