Product Features
Features
MELSEC iQ-F Series modules can communicate with printers, code readers, measurement instruments, etc. having the interface in accordance with RS-232C/RS-485 (RS-422). Communication is performed using sequence programs.
Applicable communication device
RS-232C communication device
| Model | Features/Communication method | Applicable FX PLC | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FX 3S | FX 3G | FX 3U | FX 3GC | FX 3UC | |||||||
| Function expansion board | |||||||||||
| FX3G-232-BD | ●Function expansion board that can be added to the PLC 1)Number of channels: 1 2)Communication method: Full-duplex bidirectional 3)Insulation: Not insulate 4)Maximum transmission distance: 15 m 5)Control instruction: RS/RS2 instruction | *8 ○ Max. 1 unit | ○ Max. 2 units *1 | × | × | × | |||||
| FX3U-232-BD | ●Function expansion board that can be added to the PLC 1)Number of channels: 1 2)Communication method: Full-duplex bidirectional 3)Insulation: Not insulate 4)Maximum transmission distance: 15 m 5)Control instruction: RS/RS2 instruction | × | × | ○ Max. 1 unit | × | *2 ○ Max. 1 unit | |||||
| Specific adapter | |||||||||||
| FX3U-232ADP-MB | ●Special adapter that connects to the left side of the PLC 1)Number of channels: 1 2)Communication method: Full-duplex bidirectional 3)Insulation: Insulate 4)Maximum transmission distance: 15 m 5)Control instruction: RS/RS2 instruction | *9 ○ Max. 1 unit | *3 ○ Max. 2 units *1 | *4 ○ Max. 2 units | ○ Max. 2 units | *4 ○ Max. 2 units | |||||
| Specific block | |||||||||||
| FX2N-232IF | ●Communication block that can expands functionality as a special function block of the PLC 1)Number of channels: 1 2)Communication method: Full-duplex bidirectional 3)Insulation: insulate 4)Maximum transmission distance: 15 m 5)FROM/TO instruction | × | × | ○ Max. 8 units | × | *5 ○ Max. 8 units *6 | |||||
| PLC built-in | |||||||||||
| FX3G, FX3GC built-in RS-422 port | ●PLC main unit built-in RS422 port 1)Number of channels: 1 2)Communication method: Full-duplex bidirectional 3)Maximum transmission distance: 15 m (RS232 communication part only) 4)RS2 instruction | - | *7 ○ | - | *7 ○ | - | |||||
*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: When connecting to FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
*6: For FX3UC-32MT-LT(-2), 7 units. For FX3UC-**MT/D, FX3UC-**MT/DSS, and FX3UC-16MR/D(S)-T, 8 units.
*7: FX-232AW, FX-232AWC, or FX-232AWC-H is required.
*8: Function expansion board and FX3S-CNV-ADP cannot be used together.
*9: When connecting to FX3S, FX3S-CNV-ADP is required.
RS-485 communication device
| Model | Features/Communication method | Applicable FX PLC | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FX 3S | FX 3G | FX 3U | FX 3GC | FX 3UC | |||||||
| Function expansion board | |||||||||||
| FX3G-485-BD | ●Function expansion board that can be added to the PLC 1)Number of channels: 1 2)Communication method: Half-duplex bidirectional 3)Insulation: none 4)Maximum transmission distance: 50 m 5)Control instruction: RS/RS2 instruction | *5 ○ Max. 1 unit | ○ Max. 2 units *1 | × | × | × | |||||
| FX3G-485-BD-RJ | ●Function expansion board that can be added to the PLC 1)Number of channels: 1 2)Communication method: Half-duplex bidirectional 3)Insulation: none 4)Maximum transmission distance: 50 m 5)Control instruction: RS/RS2 instruction | *5 ○ Max. 1 unit | ○ Max. 2 units *1 | × | × | × | |||||
| FX3U-485-BD | ●Function expansion board that can be added to the PLC 1)Number of channels: 1 2)Communication method: Half-duplex bidirectional 3)Insulation: Not insulate 4)Maximum transmission distance: 50 m 5)Control instruction: RS/RS2 instruction | × | × | ○ Max. 1 unit | × | *2 ○ Max. 1 unit | |||||
| Specific adapter | |||||||||||
| FX3U-485ADP-MB | ●Special adapter that connects to the left side of the PLC 1)Number of channels: 1 2)Communication method: Half-duplex bidirectional 3)Insulation: Insulate 4)Maximum transmission distance: 500 m 5)Control instruction: RS/RS2 instruction | *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
RS-232C communication device
*1: Function expansion board Can be connected only to the FX3UC-32MT-LT(-2).
*2: For FX3UC-**MT/D and FX3UC-**MT/DSS, maximum 8 units. For FX3UC-32MT-LT(-2), maximum 7 units.
RS-485 communication device
*1: Function expansion board Can be connected only to the FX3UC-32MT-LT(-2).