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. 885-0926
Mfr. Part No.IS.MD21.base
HK$2,310.69
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. 846-4695
Mfr. Part No.OEMGBPACTM221NT
HK$7,419.71
Each
units
- Modicon M221C - 9 Discrete - - Digital - Yes 7 - Yes -
RS Stock No. 818-4165
Mfr. Part No.CJ1WID231CHN
BrandOmron
HK$3,205.40
Each
units
CJ1 Series CJ1 - 32 DC - 24 V dc - - - - - - -
RS Stock No. 864-3999
Mfr. Part No.6AV6651-7DA01-3AA4
BrandSiemens
HK$9,492.60
Each
units
- S7-1200 - - - - 24 V dc - - Yes - Profibus, 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. 815-5760
Mfr. Part No.FPG-C32T2H
BrandPanasonic
HK$4,077.89
Each
units
Minas A4 Servo Drives FPG - 16 - - 24 V dc NPN, Transistor - - 16 Ethernet, ModBus - -
RS Stock No. 864-4002
Mfr. Part No.6AV6651-7HA01-3AA4
BrandSiemens
HK$4,705.94
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. 818-4193
Mfr. Part No.CJ1WOD231CHN
BrandOmron
HK$3,564.00
Each
units
CJ1 Series CJ1 - - - - 12 → 24 V dc NPN - - 32 - - -
RS Stock No. 815-5631
Mfr. Part No.AFPX-C14R
BrandPanasonic
HK$1,594.63
Each
units
FP-X Series AFPX-C Series - 8 DC - 100 → 240 V ac Relay - - 8 Ethernet - Ethernet, RS232C
RS Stock No. 828-5259
Mfr. Part No.6AV6651-7KA01-3AA4
BrandSiemens
HK$5,540.01
Each
units
SIMATIC S7-1200 Series - - - - - 85 → 264 V ac - - Yes - Profibus, 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. 681-8715
Mfr. Part No.BMXP342000
HK$5,804.50
Each
units
Modicon M340 Modicon M340 - - Analogue, Digital - 24 V dc Analogue, Digital - - - Ethernet - RJ45, RS232C, RS485, USB
RS Stock No. 746-2884
Mfr. Part No.CJ2M-CPU33
BrandOmron
HK$11,418.00
Each
units
CJ2M Series CJ2M - - - - 5 V dc Pulse - - - Ethernet Yes USB 2.0
RS Stock No. 885-0945
Mfr. Part No.IS.MD38.base
HK$3,545.84
Each
units
- M-Duino - 8 Analogue, Digital - 12 → 24 V dc Analogue, Digital, Relay - - 22 Ethernet, ModBus - Ethernet, I2C, RS232, RS485, SPI, TTL, USB
RS Stock No. 862-4477
Mfr. Part No.6ES7214-1BG40-0XB0
BrandSiemens
HK$3,404.08
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 - Ethernet, Profinet, UDP
RS Stock No. 806-6821
Mfr. Part No.TM221CE24T
HK$2,507.13
Each
units
- Modicon M221 - - - - - Digital - Yes - - Yes -
RS Stock No. 885-0917
Mfr. Part No.IS.AB20REL.base
HK$1,602.43
Each
units
- Ardbox  PLC Arduino ARDBOX PLC 20 I/Os RELAY HF - 10 Analogue, Digital - 12 → 24 V dc Analogue, Digital, Relay - - 10 - - I2C, RS232, RS485, SPI, USB
RS Stock No. 875-5691
Mfr. Part No.FX5U-80MT-ESS
BrandMitsubishi
HK$11,278.36
Each
units
MELSEC IQ-F Series IQ Platform-Compatible PLC FX5U - 40 Sink, Source - 100 → 240 V ac Relay, Transistor - - 40 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. 885-0954
Mfr. Part No.IS.MD57.base
HK$4,267.20
Each
units
- M-Duino - 18 Analogue, Digital - 12 → 24 V dc Analogue, Digital, Relay - - 31 Ethernet, ModBus - Ethernet, I2C, RS232, RS485, SPI, TTL, USB
RS Stock No. 818-4187
Mfr. Part No.CJ1WCIF11
BrandOmron
HK$1,007.60
Each
units
CJ1 Series CJ1 - - - - 5 V - - - - - - -
RS Stock No. 885-0941
Mfr. Part No.IS.MD19.base
HK$2,733.04
Each
units
- M-Duino - 6 Analogue, Digital - 12 → 24 V dc Analogue, Digital, Relay - - 11 Ethernet, ModBus - Ethernet, I2C, RS232, RS485, SPI, TTL, USB
RS Stock No. 488-6757
Mfr. Part No.6ES7211-0AA23-0XB0
BrandSiemens
HK$3,341.71
Each
units
SIMATIC S7-200 Series S7-200 - - Digital - 20.4 → 28.8 V dc - - - - - - RS485
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