Product
Product Features
Features
- Data link can be realized by a simple program with connecting up to 8 units of FX PLC.
- The bit device (0 to 64 points) and word device (4 to 8 points) have been automatically linked among each station. The ON/OFF state of other stations and data register values can be obtained by the device allocated on the local station.
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 | Conforming to RS-485 standard | |
| Total extension length | When all communication modules used are special adapter: 500 m When function expansion board is used or included in system: 50 m | |
| Communication method/Transmission speed | Half-duplex bidirectional, 38400 bps | |
| No.of connectable units | Max. 8 units | |
| Link points | Pattern 0 | Bit device: 0 points, Word device: 4 points (FX3S，FX3G，FX3U，FX3GC，FX3UC) |
| Pattern 1 | Bit device: 32 points, Word device: 4 points (FX3S，FX3G，FX3U，FX3GC，FX3UC) | |
| Pattern 2 | Bit device: 64 points, Word device: 8 points (FX3S，FX3G，FX3U，FX3GC，FX3UC) | |
| Link refresh time (ms) | Pattern 0 | Based on the no. of connection units, 2 units(18)，3 units(26)，4 units(33)，5 units(41)，6 units(49)，7 units(57)，8 units(65) |
| Pattern 1 | Based on the no. of connection units, 2 units(22)，3 units(32)，4 units(42)，5 units(52)，6 units(62)，7 units(72)，8 units(82) | |
| Pattern 2 | Based on the no. of connection units, 2 units(34)，3 units(50)，4 units(66)，5 units(83)，6 units(99)，7 units(115)，8 units(131) | |
| 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* | FX3U-485-BD or Function expansion board+FX3U-485ADP-MB | |
| Applicable FX PLC | FX3S，FX3G，FX3U，FX3UC | |
*: Function expansion board cannot be connected to FX3UC-**MT/D, FX3UC-**MT/DSS and FX3UC-16MR/D(S)-T. Specific adapter can be directly connected.