PLC CPUs

A PLC (programmable logic controller) is a digital industrial computer designed for the control of manufacturing processes or robotic devices where reliability control, simple programming and fault diagnosis is necessary. The CPU (central processing unit) forms part of the PLC system.


PLC CPUs are microprocessors that act as the electronic circuitry within an industrial computer. CPUs in PLC systems carry out instructions from the computer program, performing basic mathematical, logical, control and input/output operations.


What are PLC CPUs used for?

PLC CPUs are important for the correct functioning of machinery in manufacturing and industry. They are used in the automation of electromechanical processes, including control of machinery on assembly lines, amusement rides, or lighting fixtures.


Types of PLC CPUs

PLC CPUs are divided into small, medium and large categories. Small PLC CPUs are robust, compact and mountable on top of or beside the equipment to be controlled. Medium PLC CPUs mainly use rack mounting or backplane systems, allowing for simple upgrading via additional function cards. Large PLC CPUs are necessary for applications where complex control functions are executed, usually in large plants, in machinery requiring constant monitoring, or control of other PLCs.


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Description Price For Use With Manufacturer Series Number of Digital Inputs Number of Inputs Input Type Number of Digital Outputs Voltage Category Output Type Interface Kit Included Number of Outputs Network Type Display Included Communication Port Type
RS Stock No. 820-8479
Mfr. Part No.BMEP582020
SGD5,748.22
Each
units
Modicon M580 Modicon M580 - - Analogue - 24 V dc - - - - Ethernet - Ethernet
RS Stock No. 781-6859
Mfr. Part No.Q00UJCPU
BrandMitsubishi
SGD813.83
Each
units
MELSEC Q Series Q Series - - - - - - - - - Ethernet - USB
RS Stock No. 821-1775
Mfr. Part No.CP1L-EM40DR-D
BrandOmron
SGD1,246.23
Each
units
CP Series CP1L-EM - 24 DC - 20.4 → 26.4 V dc Relay - - 16 Ethernet Yes RS232
RS Stock No. 864-3999
Mfr. Part No.6AV6651-7DA01-3AA4
BrandSiemens
SGD1,759.06
Each
units
- S7-1200 - - - - 24 V dc - - Yes - Profinet - Allen Bradley (DF1), Allen-Bradley Ethernet IP, Mitsubishi (MC TCP/IP), Mitsubishi FX (Serial), Modicon MODBUS (Serial), Modicon MODBUS TCP/IP, Multilink, Omron Hostlink
RS Stock No. 864-4002
Mfr. Part No.6AV6651-7HA01-3AA4
BrandSiemens
SGD1,087.16
Each
units
- S7-1200 - - - - 24 V dc - - Yes - Profinet - Allen Bradley (DF1), Allen-Bradley Ethernet IP, Mitsubishi (MC TCP/IP), Mitsubishi FX (Serial), Modicon MODBUS (Serial), Modicon MODBUS TCP/IP, Multilink, Omron Hostlink
RS Stock No. 885-0913
Mfr. Part No.IS.AB20AN.base
SGD270.25
Each
units
- Ardbox  PLC Arduino ARDBOX 20 I/Os Analog HF Modbus - 10 Analogue, Digital - 12 → 24 V dc Analogue, Digital - - 10 - - I2C, RS232, RS485, SPI, USB
RS Stock No. 875-5688
Mfr. Part No.FX5U-32MT-ESS
BrandMitsubishi
SGD1,310.81
Each
units
MELSEC IQ-F Series IQ Platform-Compatible PLC FX5U - 16 Sink, Source - 100 → 240 V ac Relay, Transistor - - 16 Inverter Communication, MELSEC Communication protocol (3C/4C Frames), MELSOFT Connection, Modbus RTUI, N:N Network, Predefined Protocol Support, SLMP (3E Frame), Socket Communication - Ethernet, RS485
RS Stock No. 862-4499
Mfr. Part No.6ES7217-1AG40-0XB0
BrandSiemens
SGD1,322.02
Each
units
SIMATIC S7-1200 Series S7-1200 - 14 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Transistor - - 10 (Digital Output, Transistor Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 795-7988
Mfr. Part No.FX3S-20MT-ESS
BrandMitsubishi
SGD503.16
Each
units
FX3 Series FX3S - 12 DC - 100 → 240 V ac Relay, Transistor - - 8 Ethernet, ModBus - RS422, USB
RS Stock No. 885-0926
Mfr. Part No.IS.MD21.base
SGD396.85
Each
units
- M-Duino - 13 Analogue, Digital - 12 → 24 V dc Analogue, Digital - - 8 Ethernet, ModBus - Ethernet, I2C, RS232, RS485, SPI, TTL, USB
RS Stock No. 828-5259
Mfr. Part No.6AV6651-7KA01-3AA4
BrandSiemens
SGD1,100.17
Each
units
SIMATIC S7-1200 Series - - - - - 85 → 264 V ac - - Yes - Profinet Yes Allen Bradley (DF1), Allen-Bradley Ethernet IP, Mitsubishi (MC TCP/IP), Mitsubishi FX (Serial), Modicon MODBUS (Serial), Modicon MODBUS TCP/IP, Multilink, Omron Hostlink
RS Stock No. 862-4480
Mfr. Part No.6ES7214-1HG40-0XB0
BrandSiemens
SGD755.91
Each
units
SIMATIC S7-1200 Series S7-1200 - 14 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Relay - - 10 (Digital Output, Relay Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 862-4471
Mfr. Part No.6ES7214-1AG40-0XB0
BrandSiemens
SGD730.66
Each
units
SIMATIC S7-1200 Series S7-1200 - 14 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Transistor - - 10 (Digital Output, Transistor Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 510-1394
Mfr. Part No.CJ1MCPU11
BrandOmron
SGD1,589.15
Each
units
SYSMAC CJ Series CJ1M - - - - - - - - - DeviceNet - Host Link, RS232C
RS Stock No. 815-5751
Mfr. Part No.FPG-C24R2H
BrandPanasonic
SGD733.99
Each
units
Minas A4 Servo Drives FPG - 16 - - 24 V dc Relay - - 8 Ethernet, ModBus - -
RS Stock No. 862-4496
Mfr. Part No.6ES7215-1HG40-0XB0
BrandSiemens
SGD1,053.40
Each
units
SIMATIC S7-1200 Series S7-1200 - 14 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Relay - - 10 (Digital Output, Relay Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 815-5760
Mfr. Part No.FPG-C32T2H
BrandPanasonic
SGD879.40
Each
units
Minas A4 Servo Drives FPG - 16 - - 24 V dc NPN, Transistor - - 16 Ethernet, ModBus - -
RS Stock No. 705-5808
Mfr. Part No.CP1E-E40DR-A
BrandOmron
SGD995.30
Each
units
CP1E Series CP1E - 24 Pulse - 85 → 264 V ac Relay - - 16 (Relay) - - USB 2.0
RS Stock No. 862-4487
Mfr. Part No.6ES7215-1AG40-0XB0
BrandSiemens
SGD1,008.05
Each
units
SIMATIC S7-1200 Series S7-1200 - 14 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Transistor - - 10 (Digital Output, Transistor Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 885-0929
Mfr. Part No.IS.MD42.base
SGD553.91
Each
units
- M-Duino - 26 Analogue, Digital - 12 → 24 V dc Analogue, Digital - - 16 Ethernet, ModBus - Ethernet, I2C, RS232, RS485, SPI, TTL, USB
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