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FnIO MODBUS Adapter NA-9171, NA-9173
FnIO S-Series
Copyright(C) CREVIS Co.,Ltd Support +82-31-899-4599 URL : www.crevis.co.kr
6.3.
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).
6.3.1.
Adapter Identification Special Register (0x1000, 4096)
Address
Access
Type, Size
Description
0x1000(4096)
Read
1 word
Vendor ID = 0x02E5 (741), Crevis. Co., Ltd.
0x1001(4097)
Read
1 word
Device type = 0x000C, Network Adapter
0x1002(4098)
Read
1 word
Product code. 0x0300 (NA-9171, MODBUS/RS-232)
0x0301 (NA-9173, MODBUS/RS-485)
0x1003(4099)
Read
1 word
Firmware revision, if 0x0101, revision 1.01
0x1004(4100)
Read
2 words
Product unique serial number
0x1005(4101)
Read
String upto
34bytes
Product name string
First 1word is length of valid character string
Example) response as following
“
00 15 4E 41 39 31 37 33 5F 4D 4F 44 42 55 53 5F 41 64 61 70 74 65
72 00 00 00”
Valid character size = 0x0015 =21 characters
“
NA9173_MODBUS_Adapter”
0x1006(4102)
Read
1 word
Sum check of EEPROM
0x1010(4112)
Read
2 words
Firmware release date
0x1011(4113)
Read
2 words
Product manufacturing inspection date
0x1012(4114)
Read
String upto
34bytes
Vendor name string
First 1word is length of valid character string.
0x101E(4126)
Read
7 words
- 1 word
- 1 word
- 1 word
- 1 word
- 1 word
- 2 words
Composite Id of following address
0x1100(4352), Rotary switch value, Slave Node 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.
