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. 862-4455
Mfr. Part No.6ES7211-1BE40-0XB0
BrandSiemens
$362.09
Each
units
SIMATIC S7-1200 Series S7-1200 - 6 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - - 85 → 264 V ac Digital, Relay - - 4 (Digital Output, Relay Output) Ethernet -
RS Stock No. 864-4002
Mfr. Part No.6AV6651-7HA01-3AA4
BrandSiemens
$1,223.12
Each
units
- S7-1200 - - - - - 24 V dc - - Yes - Profinet -
RS Stock No. 806-6837
Mfr. Part No.TM221CE16R
$667.32
Each
units
- Modicon M221 - 9 Discrete - - - Digital - Yes 7 - No
RS Stock No. 862-4487
Mfr. Part No.6ES7215-1AG40-0XB0
BrandSiemens
$1,125.80
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 -
RS Stock No. 821-1775
Mfr. Part No.CP1L-EM40DR-D
BrandOmron
$1,390.69
Each
units
CP Series CP1L-EM - 24 DC - - 20.4 → 26.4 V dc Relay - - 16 Ethernet Yes
RS Stock No. 812-9856
Mfr. Part No.FT1A-C12RA-B
BrandIdec
$985.81
Each
units
- FT1A - 8 Sink - - 24 V dc Relay - - 4 Ethernet Yes
RS Stock No. 468-4501
Mfr. Part No.SR2PACKBD
$580.88
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. 806-6840
Mfr. Part No.TM221C16R
$598.04
Each
units
- Modicon M221 - - - - - - Digital - No - - -
RS Stock No. 746-3243
Mfr. Part No.ZEN-10C3AR-A-V2
BrandOmron
$339.15
Each
units
ZEN Series ZEN Programmable Relay - 6 (DC) DC - - 100 → 240 V ac Relay - Yes 4 (Relay) - Yes
RS Stock No. 862-4474
Mfr. Part No.6ES7212-1HE40-0XB0
BrandSiemens
$484.83
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 -
RS Stock No. 468-4365
Mfr. Part No.SR3PACKBD
$379.26
Each
units
Zelio 2 Zelio Logic 2 - 6 (Up → 6 Digital, Up → 4 Analogue) Analogue, Digital - - 24 V dc Relay - Yes 4 (Relay) - Yes
RS Stock No. 885-0913
Mfr. Part No.IS.AB20AN.base
$318.84
Each
units
- Ardbox  PLC Arduino ARDBOX 20 I/Os Analog HF Modbus - 10 Analogue, Digital - - 12 → 24 V dc Analogue, Digital - - 10 - -
RS Stock No. 820-8495
Mfr. Part No.BMEXBP0800
$426.37
Each
units
BMEP58 Processor, BMXCPS Power Supply, I/O Module, Specific Application Module BMEXBP - - - - - - - - - - - -
RS Stock No. 705-5795
Mfr. Part No.CP1E-E20DR-A
BrandOmron
$609.16
Each
units
CP1E Series CP1E - 12 Pulse - - 85 → 264 V ac Relay - - 8 (Relay) USB -
RS Stock No. 796-7121
Mfr. Part No.TM168B23S
$807.26
Each
units
- TM168B - 5 (Analogue), 7 (Digital) Analogue, Digital - - 0 → 10 V dc Relay - - 3 (Analogue), 8 (Relay) ExpBUS -
RS Stock No. 815-5397
Mfr. Part No.AFP0RC14RS
BrandPanasonic
$367.39
Each
units
FP0R Series AFPOR Series - 8 Sink/Source - - 24 V dc Relay - - 6 Ethernet Yes
RS Stock No. 862-4461
Mfr. Part No.6ES7212-1BE40-0XB0
BrandSiemens
$474.10
Each
units
SIMATIC S7-1200 Series S7-1200 - 8 (Digital Input, 2 switch as Analogue Input) Analogue, Digital - - 85 → 264 V ac Digital, Relay - - 6 (Digital Output, Relay Output) Ethernet -
RS Stock No. 575-018
Mfr. Part No.2701027
$214.40
Each
units
- - - 6 Digital - - - Digital, Transistor - - 4 - No
RS Stock No. 806-6871
Mfr. Part No.TM221ME32TK
$743.80
Each
units
- Modicon M221 - - - - - - Digital - Yes - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 862-4499
Mfr. Part No.6ES7217-1AG40-0XB0
BrandSiemens
$1,565.00
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 -
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