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

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A.4. 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 every each address (one address).
A.4.1. Adapter Register Mapping
Address
0x0000~0x07FF
0x0800~0x0FFF
0x1000~0x1FFF
0x2000~0x2FFF
0x4000~0x5FFF
A.4.2. 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
0x101E(4126) Read
* String Type consists of valid string length (first 1word) and array of characters.
IEC Address Contents
2048 words Input and Internal memory (Area is write-
%IW0~%IW2047
protected)
2048 words Output and Internal memory (Area is write-
%QW0~%QW2047
enabled)
- Special Function Register (PIO Information)
- Special Function Register (Slot Information)
%MW0~%MW8191 2048 words Internal memory (Area is write-enabled)
Type, Size
1 word
1 word
1 word
1 word
String up to
34bytes
1 word
2 words
15words
Description
Vendor ID = 0x02E5(741), Hitachi. Co., Ltd.
Device Type = 0x000C, Network Adapter
Product Code = 0x9100(GN-9371) / 0x9110(GN-9372)
/ 0x9120(GN-9373)
Firmware revision, if 0x0101, revision 1.001
Product name string
First 1word is length of valid character string
Example) response as following
"00 1D 52 4E 2D 39 32 32 32 2C 50 72 6F 66 69 62 75 73 20
41 64 61 70 74 65 72 2C 52 42 55 53 00 00 000"
Valid character size = 0x0017 =29 characters
"GN-9372(PIO)"
Sum check of EEPROM
Firmware release date
Composite Id of following address
0xA8C0(Lo_IP
Addr),0xFFFF(Lo_NetMask),
0x00FF(Hi_NetMask),0xA8C0(GateWay),0xFE64(GateWay),
0x1400(MacAddr),0x00F7(MacAddr),0xBA83(MacAddr),
0x02E5(VendorCode),0x000C(DeviceType),
0x9120(ProductCode), 0x0200(FW_Rev),
0x0420(FW_ReleasData), 0x2018(FW_ReleasYear)
HX-RIO3 Series
Addr),0x3264(Hi_IP