MELSEC-F series Positioning Control
The FX series offers low cost PLCs with built-in positioning instructions and pulse output blocks that can perform wide-ranging positioning control.
Additionally, dedicated positioning modules for complex control and multi-axis, interpolation control are also available.
High-speed output special adapter
| Model |
Number of
controlled axis |
Maximum
frequency |
Applicable FX PLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FX
3S |
FX
3G |
FX
3U |
FX
3GC |
FX
3UC |
|||||||||
|
FX3U-2HSY-ADP | Independent two axes | 200 kHz | × | × |
*
○ Max. 2 units |
× | × | |||||
- * When used together with analog or communication adapters, function expansion board is required.
Pulse output block
| Model |
Number of
controlled axis |
Maximum
frequency |
Applicable FX PLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FX
3S |
FX
3G |
FX
3U |
FX
3GC |
FX
3UC |
|||||||||
|
FX3U-1PG
|
Independent one axis | 200 kHz | × | × |
*3
○ Max. 8 units |
× |
*1*3
○ Max. 6 units |
|||||
|
FX2N-10PG
|
Independent one axis |
1 MHz(1 Hz to 1 MHz
differential line driver output) |
× | × |
○
Max. 8 units |
× |
*1*2
○ Max. 8 units |
|||||
- *1 When connecting to FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
- *2 FX3UC-32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC-**MT/DSS, FX3UC-16MR/D(S)-T: 8 units.
- *3 FX3U, FX3UC supported from version 2.20 or later.
SSCNET
| Model |
Number of
controlled axis |
Maximum
frequency |
Applicable FX PLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FX
3S |
FX
3G |
FX
3U |
FX
3GC |
FX
3UC |
|||||||||
|
FX3U-20SSC-H
|
Two axes
(Independent/Simultaneous) |
- | × | × |
○
Max. 8 units |
× |
*1
*2
○ Max. 8 units |
|||||
- *1 When connecting to FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
- *2 FX3UC-32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC-**MT/DSS, FX3UC-16MR/D(S)-T: 8 units.
PLC built-in pulse output functions and positioning functions
| Items | FX3S | FX3G, FX3GC | FX3U, FX3UC | |
|---|---|---|---|---|
| Number of axis | Two axes |
[FX3G]
Two axes (14/24 points) Three axes (40/60 points) [FX3GC] Two axes |
Three axes | |
| Number of controlled axis | Independent two axes |
[FX3G]
Independent two axes (14/24 points) Independent three axes (40/60 points) [FX3GC] Independent two axes |
Independent three axes | |
| Maximum frequency | 100 kHz | 100 kHz | 100 kHz | |
| Programming languages | Sequence programs | Sequence programs | Sequence programs | |
| Compatible main unit |
Transistor
output type main unit |
Transistor
output type main unit |
Transistor
output type main unit |
|
|
Pulse
output instruction |
Pulse Y Output
(PLSY) |
○ | ○ | ○ |
|
Acceleration/Deceleration Setup
Pulse Y Output (PLSR) |
○ | ○ | ○ | |
| Pulse output type |
Pulse train
(Direction is controlled by PLC program) |
Pulse train
(Direction is controlled by PLC program) |
Pulse train
(Direction is controlled by PLC program) |
|
|
Positioning
instruction |
Absolute Current Value Read
([D]ABS) |
○ | ○ | ○ |
|
Dog Search
Zero Return (DSZR) |
○ | ○ | ○ | |
|
Zero Return
(ZRN) |
○ *1 | ○ *1 | ○ *1 | |
|
Variable Speed Pulse Output
(PLSV) |
○ | ○ | ○ | |
|
Drive to Increment
(DRVI) |
○ | ○ | ○ | |
|
Drive to Absolute
(DRVA) |
○ | ○ | ○ | |
|
Interrupt Positioning
(DVIT) |
× | × | ○ | |
|
Batch Data Positioning Mode
([D]TBL) |
× | ○ | ○ *2 | |
| Pulse output type | Pulse train + direction | Pulse train + direction | Pulse train + direction | |
- *1 No DOG search function Decelerate when near point DOG turns ON, and stop when near point DOG turns OFF (Different from zero return operation with zero signal count).
- *2 FX3UC-32MT-LT supported from version 2.20 or later.
Optional parts and spare parts
Connector for self-manufactured I/O cable (an electric wire or a crimp tool is not enclosed.)
| Model | Description | |
|---|---|---|
|
FX2C-I/O-CON |
[Flat Cable Connector]
AWG28 (0.1 mm 2 ): A set of 10 pcs Crimp connector: FRC2-A020-3OS 1.27-pitch 20 cores Crimp tool: Separately arrange the tool manufactured by DDK Ltd. 357J-4674D Main Unit 357J-4664N Attachment |
|
FX2C-I/O-CON-S |
[Connector for bared wire]
AWG22 (0.3 mm 2 ): 5 sets Housing: HU-200S2-001 Crimp contact: HU-411S Crimp tool: A product manufactured by DDK Ltd. is separately required. 357J-5538 |
| FX2C-I/O-CON-SA |
[Connector for bared wire]
AWG20 (0.5 mm 2 ): 5 sets Housing: HU-200S2-001 Crimp contact: HU-411SA Crimp tool: A product manufactured by DDK Ltd. is separately required. 357J-13963 |
|