Programmable Controllers MELSEC Feature -Selection Guide-
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 •SIL2 Process CPU •C Controller •MELSECWinCPU •Motion CPU •Robot CPU •CNC CPU |
•Programmable controller CPU (Universal model) •Process CPU (Universal model) •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++*3 |
•Ladder diagram •Structured text (ST) •Instruction list •MELSAP3 (SFC), MELSAP-L •Function block diagram (FBD) •Function block (FB) •C/C++*3 |
•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) | 40M | 16M | 2M |
| 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 | ● | ●*4 | ― |
| SD memory card | ● | ●*4 | ●*5 |
| SRAM card, FLASH card, ATA card | ― | ●*6 | ― |
| External interface | |||
| USB | ● | ● | ● |
| Ethernet (1000BASE-T*7/ 100BASE-TX/ 10BASE-T) |
● | ●*8 | ●*5 |
| RS-232 | ●*9 | ●*10 | ●*11 |
| 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 | ● | ●*14 | ● |
| CC-Link | ● | ● | ● |
| SSCNETⅢ/H | ● | ● | ● |
| AnyWire | ● | ● | ● |
| BACnet® | ● | ● | ● |
| MODBUS®/TCP | ● | ● | ● |
| MODBUS® | ● | ● | ● |
| General specifications | |||
| Operating ambient temperature | 0...55℃ (60℃*15) | 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 •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 operatio | Stored program cyclic operatio | |||
| 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) •Function block diagram (FBD/LD) •Function block (FB) •Sequential function chart (SFC) |
•Ladder diagram •Structured text (ST) •Function block diagram (FBD/LD) •Function block (FB) •Sequential function chart (SFC) |
||
| Engineering environment | MELSOFT GX Works3 | MELSOFT GX Works2 | |||
| Program size (K step) |
48 | 64/128 | 4 | 32 | 64 |
| Number of I/O points [X/Y] (point) | 256 | 384 | 30 | 128 | 256 |
| Device/label memory/ standard RAM (K byte) | 120 | 150 | ― | ― | ― |
| Data memory/ standard ROM (byte) | 5M | 5M | ― | ― | ― |
| Processing speed | |||||
| LD instruction (ns) | 34 | 34*16 | 210 | 210 | 65 |
| MOV instruction (ns) | 34 | 34*16 | 520 | 520 | 640 |
| Floating point addition (µs) | 3.967 | 3.692 | 11.96 | 11.96 | 14.2 |
| Memory interface | |||||
| Extended SRAM cassette | ― | ― | ● | ●*17 | ● |
| SD memory card | ● | ● | ― | ― | ― |
| SRAM card, FLASH card, ATA card |
― | ― | ― | ― | ― |
| External interface | |||||
| USB | ● | ― | ● | ● | ― |
| Ethernet (1000BASE-T*7/ 100BASE-TX/ 10BASE-T) |
● | ● | ― | ― | ― |
| RS-232 | ― | ― | ― | ― | ― |
| RS-422/485 | ― | ● | ● | ● | ● |
| Display unit | ― | ― | ● | ●*17 | ● |
| 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 | ● | ● | ― | ● | ● |
| SSCNETⅢ/H | ● | ● | ― | ― | ●*18 |
| AnyWire | ● | ● | ― | ● | ● |
| BACnet® | ● | ● | ― | ― | ― |
| MODBUS®/TCP | ● | ● | ― | ― | ― |
| MODBUS® | ● | ● | ● | ● | ● |
| General specifications | |||||
| Operating ambient temperature | 0...55℃ | −0...55℃*19 | 0...55℃ | 0...55℃ | 0...55℃ |
| Key features/functions | •Machine control •Distributed control •Small-scale I/O control •Space/cost saving •Security •Integrated network •Extensive built-in functions •Data logging •Motion contro |
•Machine control •Small-scale I/O control •Space/cost saving •Motion control |
|||
- *1.Supports redundant system when paired with R6RFM
- *2.SFC is not supported in redundant mode and by safety CPU
- *3.When using CW Workbench
- *4.Q□UDVCPU only.
- *5.Does not support L02SCPU(-P)
- *6.Does not support QnUDVCPU and certain models
- *7.Supports the user Ethernet port of Q24DHCCPU-V/VG/LS and Q26DHCCPU-LS only
- *8.Supports Q□UDE(H)CPU and Q□UDVCPU only
- *9.Supports C Controller and MELSECWinCPU only
- *10.Does not support Q□UDE(H)CPU and Q□UDVCPU
- *11.Supports L02SCPU(-P) only
- *12.R□ENCPU only
- *13.Supports the MELSEC iQ-R Series only.
- *14.Does not support Q□(P)(H)CPU and Q□PRHCPU
- *15.Only supported when used together with extended temperature range main/extension base units
- *16.When the program capacity is 64K steps
- *17.Supports FX3G only
- *18.Supports SSCNETⅢ
- *19.Operating ambient temperature from -20℃ is supported by products produced from June 2016 (serial number "166" or later). For details, on supported products, please refer to the relevant product manual.