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.

1311 Products showing for PLCs - Programmable Logic Controllers

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In Stock RS PRO Logic Module, 8-Input, Analogue, Digital Input, 4 Outputs, Digital Output RS stock no. 917-6370 Subtotal (1 unit) R 2 842,26(exc. VAT) R 2 842,26/unit Quantity	Logic Module	-	8	Digital	-	-	12V dc, 24V dc	Analogue, Digital	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 RS PRO Logic Module, 8-Input, Digital Input, 4 Outputs, Digital Output RS stock no. 917-6361 Subtotal (1 unit) R 2 870,60(exc. VAT) R 2 870,60/unit Quantity	Logic Module	-	8	Digital	-	-	110V ac, 240V ac	Digital	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 RS PRO Logic Controller, 12-Input, DC Input, 8 Outputs, Relay Output RS stock no. 266-5074 Subtotal (1 unit) R 6 234,51(exc. VAT) R 6 234,51/unit Quantity	Logic Controller	-	12	Relay	-	-	24V dc	DC	8	0°C	55°C	87mm	75mm	CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH, RoHS, UKCA	107mm	-	-	-
Currently unavailable RS PRO Logic Controller, 24-Input, DC Input, 24 Outputs, Relay Output RS stock no. 266-5094 Subtotal (1 unit) R 7 167,70(exc. VAT) R 7 167,70/unit Quantity	Logic Controller	-	24	Relay	-	-	24V dc	DC	24	0°C	55°C	87mm	221mm	FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH, RoHS, UKCA, CE	107mm	-	-	-
In Stock RS PRO Logic Module, 8-Input, Analogue, Digital Input, 4 Outputs, Digital Output RS stock no. 917-6377 Subtotal (1 unit) R 2 483,13(exc. VAT) R 2 483,13/unit Quantity	Logic Module	-	8	Digital	-	-	12V dc, 24V dc	Analogue, Digital	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 RS PRO Logic Controller, 24-Input, DC Input, 16 Outputs, Relay Output RS stock no. 266-5090 Subtotal (1 unit) R 10 373,31(exc. VAT) R 10 373,31/unit Quantity	Logic Controller	-	24	Relay	-	-	24V dc	DC	16	0°C	55°C	87mm	175mm	CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, UKCA, REACH, RoHS	107mm	-	-	-
In Stock RS PRO Logic Controller, 36-Input, DC Input, 24 Outputs, Relay Output RS stock no. 266-5099 Subtotal (1 unit) R 14 156,89(exc. VAT) R 14 156,89/unit Quantity	Logic Controller	-	36	Relay	-	-	24V dc	DC	24	0°C	55°C	87mm	221mm	UKCA, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH, RoHS, CE	107mm	-	-	-
In Stock RS PRO Logic Controller, 16-Input, DC Input, 16 Outputs, Relay Output RS stock no. 266-5085 Subtotal (1 unit) R 9 822,27(exc. VAT) R 9 822,27/unit Quantity	Logic Controller	-	16	Relay	-	-	24V dc	DC	16	0°C	55°C	87mm	175mm	RoHS, UKCA, REACH, JIS0040, GB/T 17626.4, FCC IEC61000-4-4, CE	107mm	-	-	-
In Stock RS PRO Logic Controller, 14-Input, DC Input, 12 Outputs, Transistor Output RS stock no. 266-5103 Subtotal (1 unit) R 8 935,80(exc. VAT) R 8 935,80/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 PRO Logic Controller, 14-Input, AC Input, 12 Outputs, Relay Output RS stock no. 266-5078 Subtotal (1 unit) R 7 827,77(exc. VAT) R 7 827,77/unit Quantity	Logic Controller	-	14	Relay	-	-	265V ac, 85V ac	AC	12	0°C	55°C	87mm	136mm	JIS0040, GB/T 17626.4, FCC IEC61000-4-4, CE, UKCA, RoHS, REACH	107mm	-	-	-
In Stock RS PRO I/O Extension Module, 8-Input, Digital Input, 4 Outputs, Digital Output RS stock no. 917-6389 Subtotal (1 unit) R 1 369,23(exc. VAT) R 1 369,23/unit Quantity	I/O Extension Module	-	8	Digital	-	-	12V dc, 24V dc	Digital	4	-10°C	55°C	65mm	90mm	CE, cULus	72mm	-	-	-
In Stock RS PRO Communication Module, 1-Input, TTL Input, 1 Outputs, 2-Wire Output RS stock no. 917-6392 Subtotal (1 unit) R 1 142,73(exc. VAT) R 1 142,73/unit Quantity	Communication Module	-	1	2-Wire	-	-	12V dc, 24V dc	TTL	1	-10°C	55°C	60mm	90mm	CE, cULus Listed	36mm	-	-	-
In Stock RS PRO Communication Module, 1-Input, TTL Input, 1 Outputs, 2-Wire Output RS stock no. 917-6383 Subtotal (1 unit) R 975,42(exc. VAT) R 975,42/unit Quantity	Communication Module	-	1	2-Wire	-	-	110V ac, 240V ac	TTL	1	-10°C	55°C	60mm	90mm	CE, cULus Listed	36mm	-	-	-
In Stock RS PRO Logic Controller, 24-Input, DC Input, 16 Outputs, Relay Output RS stock no. 266-5088 Subtotal (1 unit) R 11 385,47(exc. VAT) R 11 385,47/unit Quantity	Logic Controller	-	24	Relay	-	-	230V ac	DC	16	0°C	55°C	87mm	-	JIS0040, GB/T 17626.4, FCC IEC61000-4-4, CE, UKCA, RoHS, REACH	107mm	-	-	-
In Stock RS PRO Logic Controller, 24-Input, AC Input, 24 Outputs, Transistor Output RS stock no. 266-5109 Subtotal (1 unit) R 15 774,95(exc. VAT) R 15 774,95/unit Quantity	Logic Controller	-	24	Transistor	-	-	265V ac, 85V ac	AC	24	0°C	55°C	87mm	221mm	CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH, RoHS, UKCA	107mm	-	-	-
In Stock RS PRO Logic Controller, 16-Input, DC Input, 16 Outputs, Transistor Output RS stock no. 266-5087 Subtotal (1 unit) R 9 814,16(exc. VAT) R 9 814,16/unit Quantity	Logic Controller	-	16	Transistor	-	-	24V dc	DC	16	0°C	55°C	87mm	175mm	RoHS, UKCA, CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH	107mm	-	-	-
In Stock RS PRO Logic Controller, 8-Input, AC Input, 6 Outputs, Relay Output RS stock no. 266-5069 Subtotal (1 unit) R 5 581,17(exc. VAT) R 5 581,17/unit Quantity	Logic Controller	-	8	Relay	-	-	265V ac, 85V ac	AC	6	0°C	55°C	87mm	75mm	RoHS, UKCA, CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH	107mm	-	-	-
In Stock RS PRO Logic Controller, 36-Input, DC Input, 24 Outputs, Transistor Output RS stock no. 266-5101 Subtotal (1 unit) R 14 014,15(exc. VAT) R 14 014,15/unit Quantity	Logic Controller	-	36	Transistor	-	-	24V dc	DC	24	0°C	55°C	87mm	221mm	REACH, JIS0040, GB/T 17626.4, FCC IEC61000-4-4, CE, UKCA, RoHS	107mm	-	-	-
In Stock RS PRO Logic Controller, 14-Input, DC Input, 12 Outputs, Relay Output RS stock no. 266-5079 Subtotal (1 unit) R 7 810,37(exc. VAT) R 7 810,37/unit Quantity	Logic Controller	-	14	Relay	-	-	24V dc	DC	12	0°C	55°C	87mm	136mm	CE, FCC IEC61000-4-4, GB/T 17626.4, JIS0040, REACH, RoHS, UKCA	107mm	-	-	-
In Stock RS PRO Logic Controller, 36-Input, AC Input, 24 Outputs, Transistor Output RS stock no. 266-5100 Subtotal (1 unit) R 14 024,95(exc. VAT) R 14 024,95/unit Quantity	Logic Controller	-	36	Transistor	-	-	265V ac, 85V ac	AC	24	0°C	55°C	87mm	221mm	UKCA, RoHS, REACH, JIS0040, GB/T 17626.4, FCC IEC61000-4-4, CE	107mm	-	-	-