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 Analogue Inputs Number of Digital Outputs Voltage Category Output Type Interface Kit Included Number of Outputs Network Type Display Included
RS Stock No. 812-9770
Mfr. Part No.FT1A-B12RA
BrandIdec
$694.04
Each
units
- FT1A - 8 Sink - - 24 V dc Relay - - 4 - -
RS Stock No. 787-7989
Mfr. Part No.6ES7312-5BF04-0AB0
BrandSiemens
$1,012.93
Each
units
SIMATIC S7-300 Series S7-300 - 10 (Digital) Digital - - 24 V dc Digital - - 6 (Digital) USB -
RS Stock No. 862-4455
Mfr. Part No.6ES7211-1BE40-0XB0
BrandSiemens
$361.21
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 6 (Digital Input Analogue, Digital - - 85 → 264 V ac Digital, Relay - - Relay Output), 4 (Digital Output Ethernet -
RS Stock No. 806-6859
Mfr. Part No.TM221ME16R
$697.40
Each
units
- Modicon M221 - - - - - - Digital - Yes - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 401-428
Mfr. Part No.CP1L-M40DR-A
BrandOmron
$1,170.92
Each
units
SYSMAC CP1L Series CP1L - 24 (DC) DC - - 85 → 264 V ac Relay - - 16 (Relay) USB -
RS Stock No. 862-4480
Mfr. Part No.6ES7214-1HG40-0XB0
BrandSiemens
$734.66
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 14 (Digital Input Analogue, Digital - - 24 V dc Digital, Relay - - Relay Output), 10 (Digital Output Ethernet -
RS Stock No. 862-4487
Mfr. Part No.6ES7215-1AG40-0XB0
BrandSiemens
$1,106.08
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 14 (Digital Input Analogue, Digital - - 24 V dc Digital, Transistor - - Transistor Output), 10 (Digital Output Ethernet -
RS Stock No. 820-8495
Mfr. Part No.BMEXBP0800
$730.79
Each
units
BMEP58 Processor, BMXCPS Power Supply, I/O Module, Specific Application Module BMEXBP - - - - - - - - - - - -
RS Stock No. 885-0954
Mfr. Part No.IS.MD57.base
$920.22
Each
units
- M-Duino - 18 Analogue, Digital - - 12 → 24 V dc Analogue, Digital, Relay - - 31 Ethernet, ModBus -
RS Stock No. 787-7911
Mfr. Part No.6ES7151-7AA21-0AB0
BrandSiemens
$1,556.87
Each
units
ET200S IM151 - - - - - 24 V dc - - - - Profibus DP -
RS Stock No. 123-5958
Mfr. Part No.FX3S-30MR-DS
BrandMitsubishi
$645.66
Each
units
FX3 Series FX3S - 16 (Sink/Source) Sink/Source - - 24 V dc Relay - - 14 (Relay) Ethernet, ModBus -
RS Stock No. 760-9159
Mfr. Part No.CP1L-M30DT-D
BrandOmron
$1,008.86
Each
units
SYSMAC CP1L Series CP1L - 18 DC - - 20.4 → 26.4 V dc Transistor - - 12 USB -
RS Stock No. 795-7975
Mfr. Part No.FX3S-14MR-ES
BrandMitsubishi
$404.74
Each
units
FX3 Series FX3S - 8 DC - - 100 → 240 V ac Relay, Transistor - - 6 Ethernet, ModBus -
RS Stock No. 862-4465
Mfr. Part No.6ES7212-1AE40-0XB0
BrandSiemens
$485.69
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 8 (Digital Input Analogue, Digital - - 24 V dc Digital, Transistor - - Transistor Output), 6 (Digital Output Ethernet -
RS Stock No. 468-4387
Mfr. Part No.SR3PACKFU
$770.00
Each
units
Zelio 2 Zelio Logic 2 - 6 (Digital) Digital - - 100 → 240 V ac Relay - Yes 4 (Relay) - Yes
RS Stock No. 885-0929
Mfr. Part No.IS.MD42.base
$611.44
Each
units
- M-Duino - 26 Analogue, Digital - - 12 → 24 V dc Analogue, Digital - - 16 Ethernet, ModBus -
RS Stock No. 821-1762
Mfr. Part No.CP1L-EM30DR-D
BrandOmron
$1,062.61
Each
units
CP Series CP1L-EM - 18 DC - - 20.4 → 26.4 V dc Relay - - 12 Ethernet Yes
RS Stock No. 123-7001
Mfr. Part No.88981126
BrandCrouzet
$1,452.36
Each
units
- Em4 - 4 (Digital), 12 (Digital/Analogue) Analogue, Digital - - 24 V dc PWM, Relay - - 2 (PWM), 8 (Relay) - -
RS Stock No. 468-4365
Mfr. Part No.SR3PACKBD
$349.37
Each
units
Zelio 2 Zelio Logic 2 - Up → 4 Analogue), 6 (Up → 6 Digital Analogue, Digital - - 24 V dc Relay - Yes 4 (Relay) - Yes
RS Stock No. 862-4477
Mfr. Part No.6ES7214-1BG40-0XB0
BrandSiemens
$662.12
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 14 (Digital Input Analogue, Digital - - 85 → 264 V ac Digital, Relay - - Relay Output), 10 (Digital Output Ethernet -
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