BeiJer GN-9289 - Supported MODBUS Function Codes

GN-9289 User Manual
Page 50 of (70)
G-series GN-9289 Modbus TCP_UDP Rev. 1.01.docx
Address
Offset
Access
Type,
Size
Description
+ 0x02(+2)
**
Read 1word Input start register address of input image word this slot.
+ 0x03(+3)
**
Read
1word
Input word’s bit offset of input image word this slot.
+ 0x04(+4)
**
Read 1word Output start register address of output image word this slot.
+ 0x05(+5)
**
Read 1word Output word’s bit offset of output image word this slot.
+ 0x06(+6)
**
Read 1word Input bit start address of input image bit this slot.
+ 0x07(+7)
**
Read
1word
Output bit start address of output image bit this slot.
+ 0x08(+8)
**
Read
1word
Size of input bit this slot
+ 0x09(+9)
**
Read 1word Size of output bit this slot
+ 0x0A(+10)
* *
Read
n word
Read input data this slot
+ 0x0B(+11)
**
Read/Write
n word
Read/write output data this slot
+ 0x0E(+14)
Read 1word GT-number, if GT-1238, returns 0x1238
+ 0x0F(+15)
Read
String
upto
72byte
First 1word is length of valid character string.
If GT-1238, returns
“00 1E 52 54 2D 31 32 33 38 2C 20 38 44 49 2C 20 32 34 56
64
63 2C 20 55 6E 69 76 65 72 73 61 6C 00 00”
Valid character size = 0x001E =30 characters, “GT-
+ 0x10(+16)
Read
1word
Size of configuration parameter byte
+ 0x11(+17)
**
Read/Write
n word
Read/write Configuration parameter data, up to 8byte. Refer
to
+ 0x17(+23) Read 2word
Firmware Revision
ex) 0x00010010 (Major revision 1 /Minor revision 1, Rev
+ 0x19(+25)
Read
2word
Firmware release date.
* After the system is reset, the new “Set Value” action is applied.
** Nothing of output, input, memory or configuration parameter corresponding slot returns Exception 02.
8.4. Supported MODBUS Function Codes
MODBUS Reference Documents
http://www.modbus.org MODBUS
Tools
http://www.modbustools.com, modbus poll
http://www.win-tech.com, modscan32