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 2
Table of Contents
Table of Contents                                 ..............................................................................................................................................   2 
1.ENVIRONMENT SPECIFICATION                                  ............................................................................................................   4 
2.NA-9379 (FNIO MODBUS PROGRAMMABLE I/O)                        .................................................................................   5 
2.1.NA-9379 Specification                                    ...........................................................................................................................   5 
2.2.NA-9379 Wiring Diagram                                     ......................................................................................................................   6 
2.3.NA-9379 LED Indicator                                  .........................................................................................................................   7 
2.3.1.LED Indicator                                   ..................................................................................................................................   7 
2.3.2.MOD (Module Status LED)                           .............................................................................................................   7 
2.3.3.NET (Network Status LED)                           .............................................................................................................   7 
2.3.4.RUN (PLC Run/Stop Status LED)                          ...................................................................................................   7 
2.3.5.I/O LED (Expantion Module Status LED)                         .......................................................................................   8 
2.3.6.Field Power LED (Field Power Status LED)                             ...................................................................................   8 
2.3.7.Indicator states and flash rates                                  .........................................................................................................   8 
2.4.NA-9379 Electrical Interface                               ..................................................................................................................   9 
2.4.1.RJ-45 Socket                                 ....................................................................................................................................   9 
2.4.2.RS232/485 Port for MODBUS/RTU, Touch Pannel or IOGuide                        .....................................................   9 
2.4.3.Toggle Switch and Push Botton                                .......................................................................................................   9 
3.MODBUS/RTU INTERFACE (NOT TCP)                              .................................................................................................   10   
3.1.Surpported MODBUS Function Codes                          .................................................................................................   10   
3.1.1.1 (0x01) Read Coils                                  .......................................................................................................................   10   
3.1.2.2 (0x02) Read Discrete Inputs                           ........................................................................................................   11   
3.1.3.3 (0x03) Read Holding Resgisters                        ..................................................................................................   11   
3.1.4.4 (0x04) Read Input Resgisters                              ......................................................................................................   12   
3.1.5.5 (0x05) Write Single Coil                               .............................................................................................................   12   
3.1.6.6 (0x06) Write Single Register                          .......................................................................................................   13   
3.1.7.8 (0x08) Diagnostics                                ......................................................................................................................   14   
3.1.8.15 (0x0F) Write Multiple Coils                            ......................................................................................................   16   
3.1.9.16 (0x10) Write Multiple Resgisters                              ..............................................................................................   17   
3.1.10.23 (0x17) Read/Write Multiple Resgisters                          ...................................................................................   17   
3.1.11.Error Response                               .............................................................................................................................   18   
3.2.MODBUS Special Register Map                                ..........................................................................................................   19   
3.2.1.Adapter Resgister Mapping                         ............................................................................................................   20   
3.2.2.Adapter Identification Special Resgister (0x1000, 4096)                    ...............................................................   20   
3.2.3.Adapter Watchdog Time, other Time Special Register (0x1020, 4128)              ..........................................   20   
 PRELIMINARY 










