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 21
0x1022(4130) Read 1word Watchdog error counter, it is cleared by writing address 0x1020
0x1023(4131) Read/Write 1word Enable/disable auto recovery Watchdog error when receiving new frame.
0:Disable, 1:Enable(default). Its value is stored in EEPROM.
0x1028(4136) Read 4word I/O update time, Fnbus Process time, CoDeSys update time, CoDeSys
Process Time. (1usec unit)
3.2.4. Adapter Information Special Register (0x1100, 4352)
Address Access Type, Size Description
0x1100(4352) Reserved.
0x1101(4353) Reserved.
0x1102(4354) Read 1word Start address of input image word register. =0x0000
0x1103(4355) Read 1word Start address of output image word register. =0x0800
0x1104(4356) Read 1word Size of input image word register.
0x1105(4357) Read 1word Size of output image word register.
0x1106(4358) Read 1word Start address of input image bit. = 0x0000
0x1107(4359) Read 1word Start address of output image bit. =0x1000
0x1108(4360) Read 1word Size of input image bit.
0x1109(4361) Read 1word Size of output image bit.
0x110D(4365) Read/Write 1word Enable/Disable Auto Reboot when FnBus, 0:Disable(Default)
0x110E(4366) Read upto
33word
Expansion slot’s ST-number including NA
First 1word is adapter’s number, if NA-9379, then 0x9379
0x1110(4368) Read 1word Number of expansion slot
0x1111(4369) Read 1word Number of active slot
0x1112(4370) Read 1word Number of inactive slot
0x1113(4371) Read upto
33word
Expansion slot Module Id. Refer to Appendix A.1 Product List.
First 1word is adapter’s module id.
0x1114(4372)* Read/Write 1word Input process image mode. The default value is 2.
Valid value range is from 0 to 3.
0x1115(4373)* Read/Write 1word Output process image mode. The default value is 0.
Valid value range is from 0 to 1.
0x1116(4374)
**
Read/Write 2word Inactive slot list, The corresponding bit represents slot position.
0:Active slot, 1:Inactive slot.
Ex) if value is 0x0001, 0x8000, then slot#1,#32 are inactive slots
0x1117(4375) Read 2word Live slot list. , The corresponding bit represents slot position.
1:live slot, 0:not live slot
0x1118(4376) Read 2word Alarm slot list.
The corresponding bit represents slot position.
1:Alarm slot, 0:Normal slot
0x1119(4377) Read 1word Hi byte is ModBus status, low byte is FnBus status.
It is identical with address 0x1040.
0x111A(4378) Write 1word Reserved. Adapter Scan command.
0x111B(4379) Read/Write 1word Reserved. IO State machine.
0x111C(4380) Read 2word Reserved. Runtime fault code.
0x111D(4381) Read 1word Adapter FnBus Revision. If 0x013C, FnBus Revision is 1.60
0x111E(4382) Read 1word Reserved. Adapter IO identification vendor code.
0x111F(4383) Read 5word LED Display Value and Status Code
* ** After the system is reset, the new “Set Value” action is applied.
** If the slot location is changed, set default value automatically (all expansion slot are live).
PRELIMINARY