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. 806-6837
Mfr. Part No.TM221CE16R
$504.78
Each
units
- Modicon M221 - 9 Discrete - - - Digital - Yes 7 - No
RS Stock No. 815-5397
Mfr. Part No.AFP0RC14RS
BrandPanasonic
$339.00
Each
units
FP0R Series AFPOR Series - 8 Sink/Source - - 24 V dc Relay - - 6 Ethernet Yes
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 -
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
RS Stock No. 828-5259
Mfr. Part No.6AV6651-7KA01-3AA4
BrandSiemens
$1,340.72
Each
units
SIMATIC S7-1200 Series - - - - - - 85 → 264 V ac - - Yes - Profinet Yes
RS Stock No. 812-9819
Mfr. Part No.FT1A-H24RA
BrandIdec
$1,322.36
Each
units
- FT1A - 16 Sink - - 24 V dc Relay - - 8 Ethernet -
RS Stock No. 862-4474
Mfr. Part No.6ES7212-1HE40-0XB0
BrandSiemens
$493.00
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 8 (Digital Input Analogue, Digital - - 24 V dc Digital, Relay - - Relay Output), 6 (Digital Output Ethernet -
RS Stock No. 864-4002
Mfr. Part No.6AV6651-7HA01-3AA4
BrandSiemens
$1,160.77
Each
units
- S7-1200 - - - - - 24 V dc - - Yes - Profinet -
RS Stock No. 681-8715
Mfr. Part No.BMXP342000
$1,775.80
Each
units
Modicon M340 Modicon M340 - - Analogue, Digital - - 24 V dc Analogue, Digital - - - Ethernet -
RS Stock No. 885-0913
Mfr. Part No.IS.AB20AN.base
$294.20
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. 862-4459
Mfr. Part No.6ES7211-1AE40-0XB0
BrandSiemens
$373.96
Each
units
SIMATIC S7-1200 Series S7-1200 - 2 switch as Analogue Input), 6 (Digital Input Analogue, Digital - - 24 V dc Digital, Transistor - - Transistor Output), 4 (Digital Output Ethernet -
RS Stock No. 862-4471
Mfr. Part No.6ES7214-1AG40-0XB0
BrandSiemens
$760.58
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. 806-6828
Mfr. Part No.TM221CE24R
$643.84
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 885-0926
Mfr. Part No.IS.MD21.base
$432.02
Each
units
- M-Duino - 13 Analogue, Digital - - 12 → 24 V dc Analogue, Digital - - 8 Ethernet, ModBus -
RS Stock No. 468-4501
Mfr. Part No.SR2PACKBD
$781.55
Each
units
Zelio 2 Zelio Logic 2 - Up → 4 Analogue), 8 (Up → 8 Digital Analogue, Digital - - 24 V dc Relay - Yes 4 (Relay) - Yes
RS Stock No. 846-4695
Mfr. Part No.OEMGBPACTM221NT
$1,816.35
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 - 4 Analogue), 28 (24 Digital Analogue, Digital - - 24 V dc Analogue, Digital - - 2 Analogue), 18 (16 Digital Ethernet, Profinet -
RS Stock No. 746-6523
Mfr. Part No.6ES7314-6CH04-0AB0
BrandSiemens
$3,884.26
Each
units
- S7-300 - 4 Analogue), 28 (24 Digital Analogue, Digital - - 24 V dc Analogue, Digital - - 2 Analogue), 18 (16 Digital - -
RS Stock No. 806-6803
Mfr. Part No.TM221CE40R
$891.09
Each
units
- Modicon M221 - 24 Discrete - - - Digital - Yes 16 - No
RS Stock No. 812-9770
Mfr. Part No.FT1A-B12RA
BrandIdec
$704.45
Each
units
- FT1A - 8 Sink - - 24 V dc Relay - - 4 - -
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