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. 806-6812
Mfr. Part No.TM221CE40T
TWD19,014.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 806-6847
Mfr. Part No.TM221M16R
TWD15,083.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 806-6755
Mfr. Part No.TM251MESE
TWD29,834.00
Each
units
Modicon M251 Modicon M251 - - - - - 24 V dc - - - - - Yes
RS Stock No. 806-6758
Mfr. Part No.TM251MESC
TWD29,834.00
Each
units
Modicon M251 Modicon M251 - - - - - 24 V dc - - - - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 806-6871
Mfr. Part No.TM221ME32TK
TWD18,697.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 806-6761
Mfr. Part No.TM241CEC24T
TWD30,153.00
Each
units
- Modicon M241 - 14 - - - 24 V Transistor - - 10 - Yes
RS Stock No. 468-4523
Mfr. Part No.SR2PACK2BD
TWD18,249.00
Each
units
Zelio 2 Zelio Logic 2 - Up → 6 Analogue), 12 (Up → 12 Digital Analogue, Digital - - 24 V dc Relay - Yes 8 (Relay) - Yes
RS Stock No. 806-6815
Mfr. Part No.TM221C40R
TWD15,362.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 806-6840
Mfr. Part No.TM221C16R
TWD7,537.00
Each
units
- Modicon M221 - - - - - - Digital - No - - -
RS Stock No. 806-6837
Mfr. Part No.TM221CE16R
TWD11,238.00
Each
units
- Modicon M221 - 9 Discrete - - - Digital - Yes 7 - No
RS Stock No. 806-6831
Mfr. Part No.TM221CE16T
TWD9,965.00
Each
units
- Modicon M221 - 9 Discrete - - - Digital - Yes 7 - Yes
RS Stock No. 846-4695
Mfr. Part No.OEMGBPACTM221NT
TWD37,082.00
Each
units
- Modicon M221C - 9 Discrete - - - Digital - Yes 7 - Yes
RS Stock No. 806-6843
Mfr. Part No.TM221C16T
TWD7,060.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - ModBus Yes
RS Stock No. 806-6825
Mfr. Part No.TM221C24R
TWD16,992.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 806-6819
Mfr. Part No.TM221C40T
TWD14,075.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 806-6869
Mfr. Part No.TM221ME16T
TWD17,560.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 806-6796
Mfr. Part No.TM241C24R
TWD25,420.00
Each
units
- Modicon M241 - 14 - - - 100 → 240 V Relay - - 10 - Yes
RS Stock No. 806-6780
Mfr. Part No.TM241CE24R
TWD26,239.00
Each
units
- Modicon M241 - 14 - - - 100 → 240 V Relay - - 10 Ethernet, ModBus, Profibus DP, USB Yes
RS Stock No. 806-6821
Mfr. Part No.TM221CE24T
TWD18,129.00
Each
units
- Modicon M221 - - - - - - Digital - Yes - - Yes
RS Stock No. 806-6783
Mfr. Part No.TM241C40T
TWD18,167.00
Each
units
- Modicon M241 - 24 - - - 24 V Transistor - - 16 - Yes