Worldwide
Product
Product Features
MELSEC Selection Guide
Controller lineup
| Series | Modular type | Modular type | Baseless type |
|---|---|---|---|
 MELSEC iQ-R |  MELSEC-Q |  MELSEC-L | |
| PAC (Programmable automation controller) | Programmable controller CPU | Programmable controller CPU | |
| Lineup | •Programmable controller CPU •CC-Link IE embedded CPU •Safety CPU •Process CPU*1 •C Controller •MELSECWinCPU •Motion CPU •Robot controller •CNC CPU | •Programmable controller CPU (Universal model) •Process CPU •Redundant CPU •C Controller •Motion CPU •Robot controller •CNC CPU | •Programmable controller CPU Sink type Source type |
| Control method | Stored program cyclic operation | Stored program cyclic operation | Stored program cyclic operation |
| I/O control mode | Refresh mode | Refresh mode | Refresh mode |
| Programming language | •Ladder diagram •Structured text (ST) •Sequential function chart (SFC)*2 •Function block diagram (FBD/LD) •Function block (FB) •C/C++*4 | •Ladder diagram •Structured text (ST) •Instruction list •MELSAP3 (SFC), MELSAP-L •Function block diagram (FBD) •Function block (FB) •C/C++*4 | •Ladder diagram •Structured text (ST) •Instruction list •MELSAP3 (SFC), MELSAP-L •Function block (FB) |
| Engineering environment | MELSOFT GX Works3 MELSOFT MT Works2 CW Workbench | MELSOFT GX Works2 MELSOFT PX Developer MELSOFT MT Works2 CW Workbench | MELSOFT GX Works2 |
| Program size (K step) | 1200 | 1000 | 260 |
| Number of I/O points [X/Y] (point) | 4096 | 4096 | 4096 |
| Device/label memory/ standard RAM (K byte) | 3380 | 1792 | 768 |
| Data memory/ standard ROM (byte) | 40 M | 16 M | 2 M |
| Processing speed | |||
| LD instruction (ns) | 0.98 | 1.9 | 9.5 |
| MOV instruction (ns) | 1.96 | 3.9 | 19 |
| Floating point addition (µs) | 0.01 | 0.014 | 0.057 |
| Memory interface | |||
| Extended SRAM cassette | ● | ●*3 | — |
| SD memory card | ● | ●*3 | ●*6 |
| SRAM card, FLASH card, ATA card | — | ●*5 | — |
| External interface | |||
| USB | ● | ● | ● |
| Ethernet (1000BASE-T*7/ 100BASE-TX/ 10BASE-T) | ● | ●*8 | ●*6 |
| RS-232 | — | ●*9 | ●*10 |
| RS-422/485 | — | — | — |
| Display unit | — | — | ● |
| CC-Link IE connection port | |||
| Ethernet (1000BASE-T/ 100BASE-TX/ 10BASE-T) | ●*12 | — | — |
| Network connectivity (adapter/module) | |||
| Ethernet (1000BASE-T*13/ 100BASE-TX/ 10BASE-T) | ● | ● | ● |
| CC-Link IE TSN | ● | — | — |
| CC-Link IE Control | ● | ● | — |
| CC-Link IE Field | ● | ●*15 | ● |
| CC-Link | ● | ● | ● |
| CC-Link/LT | — | ● | ● |
| SSCNET Ⅲ/H | ● | ● | ● |
| AnyWire | ● | ● | ● |
| BACnet™ | ● | ● | ● |
| MODBUS®/TCP | ● | ● | ● |
| MODBUS® | ● | ● | ● |
| General specifications | |||
| Operating ambient temperature | 0...55℃ (60℃*17) | 0...55℃ | 0...55℃ |
| Key features/functions | •Line manufacturing •Distributed control •Small-scale I/O control •Large-scale I/O control •Security •Inter-modular sync •Built-in database •Integrated network •Multiple CPU •Process control •High-reliability control •C programming •Datalogging •IT gateway •Advanced motion •Safety •Real-time monitor | •Line manufacturing •Distributed control •Large-scale I/O control •Integrated network •Multiple CPU •Process control •High-reliability control •C programming •Data logging •IT gateway •Advanced motion | •Machine control •Distributed control •Small-scale I/O control •Large-scale I/O control •Space/cost saving •Integrated network •Extensive built-in functions •Data logging •Motion control •Real-time monitor |
| Series | Compact type | Compact type | |||
|---|---|---|---|---|---|
 MELSEC iQ-F |  MELSEC-F | ||||
| Programmable controller CPU | Programmable controller CPU | ||||
| FX5UJ | FX5U/FX5UC | FX3S | FX3G/FX3GC | FX3U/FX3UC | |
| Lineup | •FX5UJ (screw terminal block type) | •FX5U (Screw terminal block type) •FX5UC (Connector type) •FX5UC (Spring clamp terminal block type) | •FX3S | •FX3G •FX3GC | •FX3U •FX3UC |
| Control method | Stored program cyclic operation | Stored program cyclic operation | |||
| I/O control mode | Refresh mode | Refresh mode | |||
| Programming language | •Ladder diagram •Structured text (ST) •Function block diagram (FBD/LD) •Function block (FB) | •Ladder diagram •Structured text (ST) •SFC for FX Series •Function block (FB) | |||
| Engineering environment | MELSOFT GX Works3 | MELSOFT GX Works2 | |||
| Program size (K step) | 48 | 128 | 4 | 32 | 64 |
| Number of I/O points [X/Y] (point) | 256 | 384 | 30 | 128 | 256 |
| Device/label memory/ standard RAM (K byte) | 120 | 120 | — | — | — |
| Data memory/ standard ROM (byte) | 5 M | 5 M | — | — | — |
| Processing speed | |||||
| LD instruction (ns) | 34 | 34 | 210 | 210 | 65 |
| MOV instruction (ns) | 34 | 34 | 520 | 520 | 640 |
| Floating point addition (µs) | 3.06 | 3.06 | 11.96 | 11.96 | 14.2 |
| Memory interface | |||||
| Extended SRAM cassette | — | — | ● | ●*11 | ● |
| SD memory card | ● | ● | — | — | — |
| SRAM card, FLASH card, ATA card | — | — | — | — | — |
| External interface | |||||
| USB | ● | — | ● | ● | ●*14 |
| Ethernet (1000BASE-T*7/ 100BASE-TX/ 10BASE-T) | ● | ● | — | — | — |
| RS-232 | — | — | ● | ● | ● |
| RS-422/485 | — | ● | ● | ● | ● |
| Display unit | — | — | ● | ●*11 | ● |
| CC-Link IE connection port | |||||
| Ethernet (1000BASE-T/ 100BASE-TX/ 10BASE-T) | — | — | — | — | — |
| Network connectivity (adapter/module) | |||||
| Ethernet (1000BASE-T*13/ 100BASE-TX/ 10BASE-T) | ● | ● | ● | ● | ● |
| CC-Link IE TSN | ● | ● | — | — | — |
| CC-Link IE Control | — | — | — | — | — |
| CC-Link IE Field | ● | ● | — | — | — |
| CC-Link | ● | ● | |||