Product
Product Features
Features
- 1.Data link between two FX PLC main units can be made easily just by programming to specify master/slave station.
- 2.Bit devices (50 to 100 points) and word devices (10 points) are automatically linked between each station. Depending on the devices allocated in the host station, the ON/OFF states and data register values of the other station can be known.
Applicable communication device
RS-485 communication device
| Model | Applicable FX PLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FX 3S | FX 3G | FX 3U | FX 3GC | FX 3UC | |||||||
| Function expansion board | FX3G-485-BD | *5 ○ Max. 1 unit | ○ Max. 2 units *1 | × | × | × | |||||
| FX3G-485-BD-RJ | *5 ○ Max. 1 unit | ○ Max. 2 units *1 | × | × | × | ||||||
| FX3U-485-BD | × | × | ○ Max. 1 unit | × | *2 ○ Max. 1 unit | ||||||
| Specific adapter | FX3U-485ADP-MB | *6 ○ Max. 1 unit | *3 ○ Max. 2 units *1 | *4 ○ Max. 2 units | ○ Max. 2 units | *4 ○ Max. 2 units | |||||
*1: FX3G 14pt, 24pt models: 1 board. 40pt, 60pt models: 2 boards.
*2: Can be connected only to the FX3UC-32MT-LT(-2).
*3: When connecting to FX3G, FX3G-CNV-ADP is required.
*4: When connecting to FX3U，FX3UC-32MT-LT(-2), function expansion board is required.
*5: Function expansion board and FX3S-CNV-ADP cannot be used together.
*6: When connecting to FX3S, FX3S-CNV-ADP is required.
System configuration example
Specifications
| Items | Specifications | |||||
|---|---|---|---|---|---|---|
| Transmission standard | Conforms to RS-485 and RS-422 standards | |||||
| Max. transmission distance | When special adapter is used: 500 m When function expansion board is used (including when special adapter and function expansion board are used together): 50 m | |||||
| Communication method/Transmission speed | Half-duplex bidirectional: 19200bps，115200bps (FX3S，FX3G，FX3U，FX3GC，FX3UC) | |||||
| Number of connectable units (configuration) | 1 : 1 | |||||
| Link points | FX3S | [Master -> Slave]: Bit device 50 points, word device 10 points (when high speed mode, word device 2 points) [Slave -> Master]: Bit device 50 points, word device 10 points (when high speed mode, word device 2 points) | ||||
| FX3G，FX3U， FX3GC，FX3UC | [Master -> Slave]: Bit device 100 points, word device 10 points (when high speed mode, word device 2 points) [Slave -> Master]: Bit device 100 points, word device 10 points (when high speed mode, word device 2 points) | |||||
| Link time | Regular mode: 70ms*1 + master station operation cycle(ms) + slave station operation cycle(ms) High speed mode: 20ms*2 + master station operation cycle(ms) + slave station operation cycle(ms) | |||||
| Combination with connectable PLC models |
| |||||
| Connection device with PLC | FX3S | FX3G-485-BD(-RJ), or FX3S-CNV-ADP + FX3U-485ADP-MB | ||||
| FX3G | FX3G-485-BD(-RJ)), or FX3G-CNV-ADP + FX3U-485ADP-MB | |||||
| FX3GC | FX3U-485ADP-MB | |||||
| FX3U，FX3UC*3 | FX3U-485-BD, or function expansion board + FX3U-485ADP-MB | |||||
*1: FX3S, FX3G, FX3GC, FX3U, FX3UC : 15ms
*2: FX3S, FX3G, FX3GC, FX3U, FX3UC : 5ms
*3: Function expansion board cannot be connected to FX3UC-**MT/D and FX3UC-**MT/DSS. Specific adapter can be directly connected.