GN-9289 User Manual
Page 45 of (70)
G-series GN-9289 Modbus TCP_UDP Rev. 1.01.docx
8.3.
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 every each address (one address).
8.3.1.
Adapter Identification Special Register (0x1000, 4096)
Vendor ID = 0x02E5(741), Crevis. Co., Ltd.
Device type = 0x000C, Network Adapter
Firmware revision, if 0x0101, revision 1.01
Product unique serial number
0x1005(4101) Read
Product name string (ASCII)
“GN-9289,Modbus/TCPAdapter,GBUS”
Product manufacturing inspection date
0x101E(4126)
Read
7word
- 1word
- 1word
- 1word
- 1word
- 1word
- 2word
15word
- 2word
- 2word
- 2word
- 3word
- 1word
- 1word
- 1word
- 1word
- 2word
Composite Id of following address
* RTU mode
0x1100(4352), Modbus RS232 Node. (Fixed 0x0001)
0x1000(4096), Vendor ID
0x1001(4097), Device type
0x1002(4098), Product code
0x1003(4099), Firmware revision
0x1004(4100), Product serial number
*TCP mode
0x1050(4176), IP address
0x1051(4177), Subnet mask
0x1052(4178), Gateway
0x1053(4179), Ethernet physical address (MAC ID)
0x1000(4096), Vendor ID
0x1001(4097), Device type
0x1002(4098), Product code
0x1003(4099), Firmware revision
0x1004(4100), Product serial number
- String Type consists of valid string length (first 1word) and array of characters