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.

1116 สินค้าที่แสดงสำหรับ PLCs - Programmable Logic Controllers

  • RS Stock No. 246-1721
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6AG1223-1PH32-2XB0
Each
THB26,533.14
Siemens
-
SIPLUS S7-1200
-
-
SIPLUS S7-1200
-
DI
8
8
24 V DC
Ethernet
-
-
-
-
-
  • RS Stock No. 269-7791
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 015001000300
Each
THB30,690.64
Industrial Shields
-
M-DUINO
11
Digital, Relay
Rasperry PI
12 → 24 V dc
-
-
22
-
Ethernet
-
-
-
-
-
  • RS Stock No. 214-6594
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. NJ301-1100
Each
THB166,008.08
Omron
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 635-388
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SM2 0018
Each
THB11,634.33
Sifam Tinsley
-
SM4
4
RS485
SCADA
253 V
Analog
-
-
-
-
-
-
-
-
-
  • RS Stock No. 518-067
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1371410
Each
THB347,057.15
Phoenix Contact
-
Axioline X
24
Analogue, Digital
-
24 V dc
Analog
-
-
-
-
-
-
-
-
-
  • RS Stock No. 613-311
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6AG2512-1SM03-4AB0
Each
THB148,557.73
Siemens
-
6AG2512
20
Profinet
SIPLUS ET 200SP
24 V
Ethernet
-
-
-
-
-
-
-
-
-
  • RS Stock No. 635-390
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SM4 11008
Each
THB8,317.31
Sifam Tinsley
-
SM4
-
OC
SCADA
253 V
RS485
-
-
-
-
-
-
-
-
-
  • RS Stock No. 655-224
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. BMENOC0321C
Each
THB105,593.21
Schneider Electric
-
Modicon M580
-
-
BMEXBP
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 653-992
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. BMXCRA31210C
Each
THB98,408.63
Schneider Electric
-
Modicon X80
-
-
Modicon M580
3.3 V dc
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 446-843
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. BMECRA31210C
Each
THB57,535.38
Schneider Electric
-
Modicon X80
-
-
Modicon M580
3.3 V
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 286-438
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. JPSG3-20HT-D
Each
THB6,387.49
TECO Westinghouse
-
SG3
12
Transistor
Industrial Automation
24 V
Analog
-
-
-
-
-
-
-
-
-
  • RS Stock No. 358-145
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MX-8DI
Each
THB3,185.83
Industrial Shields
-
ModuleX
1
Digital
PLC Accessories
24 V dc
Digital
-
-
-
-
-
-
-
-
-
  • RS Stock No. 246-1718
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6AG1223-1BH32-4XB0
Each
THB20,771.23
Siemens
-
SIPLUS S7-1200
-
-
SIPLUS S7-1200
-
DI
8
8
24 V DC
Ethernet
-
-
-
-
-
  • RS Stock No. 446-846
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. BMENOP0300
Each
THB185,079.24
Schneider Electric
-
Modicon M580
-
-
M580 PAC
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 653-847
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 170AAO92100
Each
THB58,807.35
Schneider Electric
-
170AA
-
Analogue
-
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 467-086
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. BMEP586040S
Each
THB730,185.78
Schneider Electric
-
Modicon M580
-
-
Modicon M580
24 V
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 350-531
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 100.000.10
Each
THB5,777.27
Controllino
-
Controllino MINI Pure
8
Relay
Top Hat Rail
12 or 24 V dc
Digital and Analog
-
-
-
-
-
-
-
-
-
  • RS Stock No. 214-6590
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. NJ101-1000
Each
THB123,698.23
Omron
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 214-6555
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. CJ2H-CPU66-EIP
Each
THB185,979.12
Omron
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
  • RS Stock No. 252-2935
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 6AG26772DB422GB0
Each
THB272,607.08
Siemens
-
SIPLUS ET 200SP
20
-
SIMATIC ET 200SP
-
-
-
20
24 V DC
Ethernet, USB
-
-
-
-
-
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