MPN

PLCs - Programmable Logic Controllers

PLC stands for Programmable Logic Controller. It is a digital computer-based control system commonly used in industrial automation to monitor and control machinery or processes. A PLC is designed to withstand harsh industrial environments and is typically used to automate tasks that require precision, reliability, and flexibility. It consists of a programmable microprocessor, input and output modules, and various communication interfaces.

How do PLCs (Programmable Logic Controllers) work?

PLCs (Programmable Logic Controllers) work by executing a program or set of instructions to control and automate industrial processes.

Input Acquisition
Program Execution
Program Logic
Decision Making
Output Control
Communication
Monitoring and Diagnostics

What are the benefits of PLCs (Programmable Logic Controllers)?

Flexibility: Provide a high degree of flexibility in terms of programming and reprogramming. They allow for easy modification and adaptation of control logic to accommodate changes in the process or system requirements without requiring hardware modifications.
Reliability: Designed for reliable operation in harsh industrial environments. They are built to withstand extreme temperatures, vibration, electrical noise, and other challenging conditions. PLCs are known for their robustness and durability.
Real-time Operation: Offer real-time control, enabling precise and timely response to inputs and events. This is crucial in applications that require fast and accurate control, such as high-speed manufacturing processes or critical safety systems.
Diagnostics and Troubleshooting: PLCs provide built-in diagnostics and monitoring capabilities, allowing operators to detect faults, analyse performance, and troubleshoot issues quickly. This facilitates maintenance and minimizes downtime.
Safety Features: Many PLCs offer safety-oriented functionality, including specialized programming languages and certified safety modules. Safety PLCs ensure compliance with industry safety standards and provide features such as safety interlocks, emergency stop functions, and fault detection.
Remote Access and Monitoring: PLCs with network connectivity allow for remote access and monitoring, enabling operators to control and monitor processes from a central location or through secure remote connections. This enhances operational efficiency and facilitates remote troubleshooting.

What applications use PLCs (Programmable Logic Controllers)?

Manufacturing
Power Generation and Distribution
Chemical and Petrochemical Industry
Water and Wastewater Treatment
Food and Beverage Industry
Automotive Industry
Pharmaceutical Industry
Packaging and Material Handling
Oil and Gas Industry

More information can be found in our PLCs guide.

1301 Products showing for PLCs - Programmable Logic Controllers

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In Stock RS PRO Logic Controller, Transistor Output, 14-Input, DC Input RS stock no. 266-5103 Subtotal (1 unit) R 9 120,16(exc. VAT) R 9 120,16/unit Quantity		-	Logic Controller	-	14	Transistor	-	24V dc	DC	-	12	-	0°C	-	-	55°C	87mm	-	136mm	GB/T 17626.4, RoHS, REACH, JIS0040, FCC IEC61000-4-4, UKCA, CE	107mm	-	-	-
In Stock RS Better World Siemens LOGO! Series Logic Module, Relay Output, 8-Input, Digital Input RS stock no. 282-5511 Mfr. Part No. 6ED1052-1HB08-0BA2 Subtotal (1 unit) R 2 760,00(exc. VAT) R 2 760,00/unit Quantity	Siemens	-	Logic Module	LOGO!	8	Relay	-	24V dc	Digital	-	4	-	-20°C	-	-	55°C	90mm	-	90mm	ABS, WEEE, UL, VDE 0631, LRS, SEP, CE, REACH, IEC 61131, CQC, CSA, DNV, RCM, UKCA, RoHS, KR, FM	71.5mm	Concentrated or Compact Solution	Yes	-
In Stock Eaton easyE4 Series Control Relay, Relay Output, 4-Input, Digital Input RS stock no. 235-4822 Mfr. Part No. 197514 EASY-E4-AC-8RE1P Subtotal (1 unit) R 2 153,79(exc. VAT) R 2 153,79/unit Quantity	Eaton	-	Control Relay	easyE4	4	Relay	-	264V	Digital	-	4	-	-25°C	-	-	55°C	58mm	-	90mm	CE	36mm	-	-	-
In Stock RS PRO Logic Module, Digital Output, 8-Input, Analogue Input RS stock no. 917-6370 Subtotal (1 unit) R 2 902,50(exc. VAT) R 2 902,50/unit Quantity		-	Logic Module	-	8	Digital	-	12, 24V dc	Analogue	-	4	-	-10°C	-	-	55°C	65mm	-	90mm	CE, cULus Listed, IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-27, IEC 60068-2-6, IEC 61000-3-2, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-29, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6	72mm	-	-	-
In Stock Mitsubishi Electric FX3U Series Logic Module, Relay Output, 16-Input, Sink Input RS stock no. 539-0689 Mfr. Part No. FX3U-32MR/ES Subtotal (1 unit) R 23 170,43(exc. VAT) R 23 170,43/unit Quantity	Mitsubishi Electric	-	Logic Module	FX3U	16	Relay	-	100, 240V ac	Sink	-	16	-	0°C	-	-	50°C	86mm	-	150mm	UL, CE	90mm	-	-	-
In Stock Eaton easyE4 Series Control Relay, Digital Output, 8-Input, Digital Input RS stock no. 188-3483 Mfr. Part No. 197215 EASY-E4-AC-12RC1 Subtotal (1 unit) R 4 530,92(exc. VAT) R 4 530,92/unit Quantity	Eaton	-	Control Relay	easyE4	8	Digital	-	100, 240V ac/dc	Digital	-	4	-	-25°C	-	-	55°C	110mm	-	71.5mm	cULus	59.6mm	-	-	-
In Stock TECO Westinghouse SG3 Series Logic Module, Relay Output, 12-Input, Analogue, Digital Input RS stock no. 286-432 Mfr. Part No. JPSG3-20HR-A Subtotal (1 unit) R 3 678,23(exc. VAT) R 3 678,23/unit Quantity	TECO Westinghouse	-	Logic Module	SG3	12	Relay	-	100, 240V	Analogue, Digital	-	-	-	-20°C	-	-	50°C	59.6mm	-	-	UL, UKCA, CE	-	-	-	-
In Stock Schneider Electric Zelio Logic Series Logic Module, Relay Output, 16-Input, Analogue Input RS stock no. 468-4242 Mfr. Part No. SR3B261BD Subtotal (1 unit) R 7 196,26(exc. VAT) R 7 196,26/unit Quantity	Schneider Electric	-	Logic Module	Zelio Logic	16	Relay	-	24V dc	Analogue	-	10	-	-20°C	-	-	55°C	59.5mm	-	125mm	CSA, UL	90mm	-	-	-
In Stock Allen Bradley Micro 820 Starter Pack - Lite Series PLC CPU Starter Kit, 8-Input, Analogue, Digital Input RS stock no. 195-4306 Mfr. Part No. 2080-LC20-STARTERPACKLRS Subtotal (1 unit) R 13 269,19(exc. VAT) R 13 269,19/unit Quantity	Allen Bradley	-	PLC CPU Starter Kit	Micro 820 Starter Pack - Lite	8	-	-	-	Analogue, Digital	-	-	-	-	-	-	-	-	-	-	No	-	-	-	-
In Stock Allen Bradley Micro810 Series PLC CPU, Relay Output, 8-Input, Analogue Input RS stock no. 750-8602 Mfr. Part No. 2080-LC10-12QWB Subtotal (1 unit) R 3 239,33(exc. VAT) R 3 239,33/unit Quantity	Allen Bradley	-	PLC CPU	Micro810	8	Relay	-	-	Analogue	-	4	-	-20°C	-	-	65°C	59mm	-	91mm	cULus, CE	75mm	-	-	-
In Stock Arduino Opta WiFi Series Logic Controller, Relay Output, 8-Input, Digital, Analogue Input RS stock no. 260-0885 Mfr. Part No. AFX00002 Subtotal (1 unit) R 3 718,11(exc. VAT) R 3 718,11/unit Quantity	Arduino	-	Logic Controller	Opta WiFi	8	Relay	-	12, 24V	Digital, Analogue	-	4	-	-20°C	-	-	50°C	-	-	-	cULus Listed, CE Certified	-	-	-	-
In Stock Mitsubishi Electric FX5U Series PLC CPU, Relay, Transistor Output, 16-Input, Sink Input RS stock no. 875-5688 Mfr. Part No. FX5U-32MT/ESS Subtotal (1 unit) R 19 342,46(exc. VAT) R 19 342,46/unit Quantity	Mitsubishi Electric	-	PLC CPU	FX5U	16	Relay, Transistor	-	-	Sink	-	16	-	0°C	-	-	55°C	83mm	-	150mm	CE, cULus Listed	90mm	-	-	-
In Stock WAGO Logic Controller, Analogue, Digital Output, 8-Input, Analogue Input RS stock no. 282-1707 Mfr. Part No. 751-9301 Subtotal (1 unit) R 11 903,73(exc. VAT) R 11 903,73/unit Quantity	WAGO	-	Logic Controller	-	8	Analogue, Digital	-	24V dc	Analogue	-	4	-	-25°C	-	-	60°C	55mm	-	-	CE EAC GZO Almaty TP TC 020/2011 EAC CoC 03083 UL 61010-2-201 E175199	108mm	-	-	-
In Stock Industrial Shields M-Duino Series PLC CPU, Digital Output, 36-Input, Analogue Input RS stock no. 219-3095 Mfr. Part No. IS.MDuino.58+ Subtotal (1 unit) R 10 137,99(exc. VAT) R 10 137,99/unit Quantity	Industrial Shields	-	PLC CPU	M-Duino	36	Digital	-	-	Analogue	-	22	-	0°C	-	-	60°C	-	-	-	CE	-	-	-	-
In Stock TECO Westinghouse SG2 Series Logic Module, Relay Output, 12-Input, Analogue Input RS stock no. 286-408 Mfr. Part No. JPSG2-20HR-D Subtotal (1 unit) R 2 305,51(exc. VAT) R 2 305,51/unit Quantity	TECO Westinghouse	-	Logic Module	SG2	12	Relay	-	24V	Analogue	-	-	-	-20°C	-	-	55°C	59.6mm	-	-	CE, ISO 14001, RoHS, UL, cUL, TUV CERT ISO 9001	90mm	-	-	-
In Stock RS Better World Siemens LOGO! Series Logic Module, Relay Output, 8-Input, Analogue Input RS stock no. 282-5512 Mfr. Part No. 6ED1052-1MD08-0BA2 Subtotal (1 unit) R 2 760,00(exc. VAT) R 2 760,00/unit Quantity	Siemens	-	Logic Module	LOGO!	8	Relay	-	12, 24V dc	Analogue	-	4	-	-20°C	-	-	55°C	90mm	-	90mm	CSA, FM, REACH, UL, KR, CE, VDE 0631, RoHS, SEP, ABS, LRS, DNV, WEEE, IEC 61131, UKCA, CQC, RCM	71.5mm	Concentrated or Compact Solution	Yes	-
In Stock Schneider Electric Modicon TM Series PLC CPU, Relay Output, 14-Input, Discrete Input RS stock no. 806-6752 Mfr. Part No. TM241CEC24R Subtotal (1 unit) R 8 728,10(exc. VAT) R 8 728,10/unit Quantity	Schneider Electric	-	PLC CPU	Modicon TM	14	Relay	-	-	Discrete	-	10	-	-10°C	-	-	55°C	90mm	-	150mm	UL, CSA, cULus, EN/IEC, ANSI/ISA	95mm	-	-	-
In Stock TECO Westinghouse SG3 Series Logic Module, Relay Output, 12-Input, Analogue Input RS stock no. 286-427 Mfr. Part No. JPSG3-12HR-D Subtotal (1 unit) R 2 960,07(exc. VAT) R 2 960,07/unit Quantity	TECO Westinghouse	-	Logic Module	SG3	12	Relay	-	12, 24V	Analogue	-	-	-	-4°F	-	-	122°F	-	-	-	UL Recognition (AC series), UL (DC series), IEC61131-2, IEC61000-6-4 ClassA, CE - UKCA	-	-	-	-
In Stock RS Better World Siemens LOGO! Series Logic Module, Relay Output, 8-Input, Digital Input RS stock no. 282-5516 Mfr. Part No. 6ED1052-2HB08-0BA2 Subtotal (1 unit) R 2 210,00(exc. VAT) R 2 210,00/unit Quantity	Siemens	-	Logic Module	LOGO!	8	Relay	-	24V dc	Digital	-	4	-	-20°C	-	-	55°C	58mm	-	90mm	IEC 61131, FM, VDE 0631, EN 55 011, UL	71.5mm	Concentrated or Compact Solution	Yes	-
In Stock Siemens LOGO! Series I/O Module, Digital Output, 4-Input, Digital Input RS stock no. 825-1663 Mfr. Part No. 6ED1055-1CB00-0BA2 Subtotal (1 unit) R 1 320,00(exc. VAT) R 1 320,00/unit Quantity	Siemens	-	I/O Module	LOGO!	4	Digital	-	24V dc	Digital	-	4	-	-40°C	-	-	70°C	58mm	-	90mm	CE Certified, CSA Certified, UL Listed	35.5mm	-	-	-