Manual
Table Of Contents
- Table of Contents
- 1. ENVIRONMENT SPECIFICATION
- 2. NA-9379 (FNIO MODBUS PROGRAMMABLE I/O)
- 3. MODBUS/RTU INTERFACE (NOT TCP)
- 3.1. Surpported MODBUS Function Codes
- 3.1.1. 1 (0x01) Read Coils
- 3.1.2. 2 (0x02) Read Discrete Inputs
- 3.1.3. 3 (0x03) Read Holding Resgisters
- 3.1.4. 4 (0x04) Read Input Resgisters
- 3.1.5. 5 (0x05) Write Single Coil
- 3.1.6. 6 (0x06) Write Single Register
- 3.1.7. 8 (0x08) Diagnostics
- 3.1.8. 15 (0x0F) Write Multiple Coils
- 3.1.9. 16 (0x10) Write Multiple Resgisters
- 3.1.10. 23 (0x17) Read/Write Multiple Resgisters
- 3.1.11. Error Response
- 3.2. MODBUS Special Register Map
- 3.2.1. Adapter Resgister Mapping
- 3.2.2. Adapter Identification Special Resgister (0x1000, 4096)
- 3.2.3. Adapter Watchdog Time, other Time Special Register (0x1020, 4128)
- 3.2.4. Adapter Information Special Register (0x1100, 4352)
- 3.2.5. Adapter Setting Special Register (0x1600, 5632)
- 3.2.6. Expasion Slot Information Special Resister (0x2000, 8192)
- 3.3. Surpported MODBUS Function Codes
- 3.1. Surpported MODBUS Function Codes

NA-9379
Specification
Revision 1.02
FnBus PIO N/A
Page 22
3.2.5. Adapter Setting Special Register (0x1600, 5632)
Address Access Type, Size Description
0x1600(5632) Read 2word IP Address. (default : C0A8 6464 = 192.168.100.100)
0x1602(5634) Read 2word Subnet Mask. (default : FFFF 0000 = 255.255.0.0)
0x1604(5636) Read 2word Gate way. (default : C0A8 6401 = 192.168.100.1)
0x1606(5638) Read/Write 1word RS-232C Baudrate. (2400bps~115200bps)
- 1 : 2400
- 2 : 4800
- 3 : 9600
- 4 : 19200
- 5 : 38400 (default)
- 6 : 57600
- 7 : 115200
0x1607(5639) Read/Write 1word *RS-232C Setting.
- 1 nibble : Data bit(0 : 8bit(default), 1 : 9bit)
- 2 nibble : Stop bit(0 : 1bit(default), 1 : 2bit)
- 3 nibble : Parity bit(0 : none(default), 1: even, 2 : odd)
- 4 nibble : Reserve
0x1608(5640) Read/Write 1word RS-485 Baudrate. (2400bps~115200bps)
- 1 : 2400
- 2 : 4800
- 3 : 9600
- 4 : 19200
- 5 : 38400 (default)
- 6 : 57600
- 7 : 115200
0x1609(5641) Read/Write 1word RS-485 Setting.
- 1 nibble : Data bit(0 : 8bit(default), 1 : 9bit)
- 2 nibble : Stop bit(0 : 1bit(default), 1 : 2bit)
- 3 nibble : Parity bit(0 : none(default), 1: even, 2 : odd)
- 4 nibble : Reserve
0x160A(5642) Read/Write 1word **Modbus Station.
- High 1byte : Station No. of RS-232C (default : 1)
- Low 1byte : Station No. of RS-485 (default : 1)
0x160B(5643) Read/Write 1word IP Setting Mothod.
- Not Use : 0x0000
- BootP : 0x8000 (default)
- DHCP : 0x8001
0x1610(5648) Read 3word Mac Address (ex : 0014 F700 0101 = 00.14.F7.00.01.01)
0x1620(5664) Read/Write 4word RTC
- 1 word : 00ss (ss : sec)
- 2 word : hhmm (hh : hour, mm : min)
- 3 word : mmdd (mm : month, dd : day)
- 4 word : yyyy (yyyy : year)
(ex : 07D8 0514 0F19 0006 = 2008. 05.20. 15.25. 06)
*RS-232C/485 Setting : This description for 0x1607/0x1609 register with bit.
PRELIMINARY