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

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7.2 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).

7.2.1 Adapter Register Mapping

Address IEC Address
0x0000~0x07FF %IW0 ~ %IW2047
0x0800~0x0FFF %QW0 ~ %QW2047
0x1000~0x1FFF -
0x2000~0x2FFF -
0x4000~0x5FFF %MW0 ~ %MW8191

7.2.2 Adapter Identification Special Register (0x1000, 4096)

Address Access
0x1000 (4096) Read
0x1001 (4097) Read
0x1002 (4098) Read
0x1003 (4099) Read
0x1005 (4101) Read
0x1006 (4102) Read
0x1010 (4112) Read
0x1013 (4115) Read
0x101E (4126) Read
String Type consists of valid string length (first 1word) and array of characters
Contents
2048 words Input and Internal memory (Area is write-protected)
2048 words Output and Internal memory (Area is write-enabled)
Special Function Register (PIO Information)
Special Function Register (Slot Information)
8192 words Internal memory (Area is write-enabled)
Type, Size
1word
1word
1word
1word
String up to 34bytes
1word
2words
1word
15words
Description
Vendor ID = 0x10AD, Hitachi Europe GmbH
Device type = 0x1000, Network Adapter
Product Code
Firmware revision, if 0x0101, revision 1.001
Product name string
First 1word is length of valid character string
Example) response as following
"00 0c 52 49 4f 33 2d 43 50 32 4d 42 54 4c 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00"
Valid character size = 0x000C = 12 characters
" RIO3-CP2MBTL"
Sum check of EEPROM
Firmware release date
Module ID
Composite Id of following address
0xA8C0(Lo_IP Addr), 0x3264(Hi_IP Addr),
0xFFFF(Lo_NetMask),
0x00FF(Hi_NetMask) ,0xA8C0(GateWay),
0xFE64(GateWay), 0x1400(MacAddr),
0x00F7(MacAddr), 0xBA83(MacAddr),
0x02E5(VendorCode), 0x000C(DeviceType),
0x91F0(ProductCode),
0x0203(FW_Rev), 0x0510(FW_ReleasData),
0x2021(FW_ReleasYear)
HX-RIO3 Series