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. 806-6837
Mfr. Part No.TM221CE16R
$606.65
Each
units
- Modicon M221 - 9 Discrete - - Digital - Yes 7 - No -
RS Stock No. 815-5397
Mfr. Part No.AFP0RC14RS
BrandPanasonic
$333.99
Each
units
FP0R Series AFPOR Series - 8 Sink/Source - 24 V dc Relay - - 6 Ethernet Yes RS232, RS485
RS Stock No. 875-5688
Mfr. Part No.FX5U-32MT-ESS
BrandMitsubishi
$1,405.89
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. 821-1750
Mfr. Part No.CP1L-EL20DR-D
BrandOmron
$792.14
Each
units
CP Series CP1L-EL - 12 DC - 20.4 → 26.4 V dc Relay - - 8 Ethernet Yes RS232
RS Stock No. 828-5259
Mfr. Part No.6AV6651-7KA01-3AA4
BrandSiemens
$1,179.97
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. 812-9819
Mfr. Part No.FT1A-H24RA
BrandIdec
$1,302.82
Each
units
- FT1A - 16 Sink - 24 V dc Relay - - 8 Ethernet - -
RS Stock No. 864-3999
Mfr. Part No.6AV6651-7DA01-3AA4
BrandSiemens
$1,886.66
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. 862-4474
Mfr. Part No.6ES7212-1HE40-0XB0
BrandSiemens
$440.75
Each
units
SIMATIC S7-1200 Series S7-1200 - 8 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Relay - - 6 (Digital Output, Relay Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 864-4002
Mfr. Part No.6AV6651-7HA01-3AA4
BrandSiemens
$880.53
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. 681-8715
Mfr. Part No.BMXP342000
$1,051.48
Each
units
Modicon M340 Modicon M340 - - Analogue, Digital - 24 V dc Analogue, Digital - - - Ethernet - RJ45, RS232C, RS485, USB
RS Stock No. 885-0913
Mfr. Part No.IS.AB20AN.base
$289.85
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. 862-4459
Mfr. Part No.6ES7211-1AE40-0XB0
BrandSiemens
$325.54
Each
units
SIMATIC S7-1200 Series S7-1200 - 6 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - 24 V dc Digital, Transistor - - 4 (Digital Output, Transistor Output) Ethernet - Ethernet, Profinet, UDP
RS Stock No. 862-4471
Mfr. Part No.6ES7214-1AG40-0XB0
BrandSiemens
$749.34
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. 806-6828
Mfr. Part No.TM221CE24R
$669.63
Each
units
- Modicon M221 - - - - - Digital - Yes - - Yes -
RS Stock No. 885-0926
Mfr. Part No.IS.MD21.base
$425.64
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. 468-4501
Mfr. Part No.SR2PACKBD
$528.07
Each
units
Zelio 2 Zelio Logic 2 - 8 (Up → 8 Digital, Up → 4 Analogue) Analogue, Digital - 24 V dc Relay - Yes 4 (Relay) - Yes -
RS Stock No. 846-4695
Mfr. Part No.OEMGBPACTM221NT
$1,766.01
Each
units
- Modicon M221C - 9 Discrete - - Digital - Yes 7 - Yes -
RS Stock No. 746-6527
Mfr. Part No.6ES7314-6EH04-0AB0
BrandSiemens
$4,156.65
Each
units
- S7-300 - 28 (24 Digital, 4 Analogue) Analogue, Digital - 24 V dc Analogue, Digital - - 18 (16 Digital, 2 Analogue) Ethernet, Profinet - RS485
RS Stock No. 746-6523
Mfr. Part No.6ES7314-6CH04-0AB0
BrandSiemens
$3,836.01
Each
units
- S7-300 - 28 (24 Digital, 4 Analogue) Analogue, Digital - 24 V dc Analogue, Digital - - 18 (16 Digital, 2 Analogue) - - RS485
RS Stock No. 806-6803
Mfr. Part No.TM221CE40R
$845.50
Each
units
- Modicon M221 - 24 Discrete - - Digital - Yes 16 - No -
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