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Programmable Logic Controllers
Programmable Logic Controllers - Schneider Electric
A digital computer known as a programmable logic controller (PLC) is utilized by industrial entities to manage computer systems. It observes inputs and determines corresponding outputs, making it a crucial element in systems for predictive maintenance.
Subcategories (4)
Found 24 products
Schneider Electric TM2AMI2HT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as an analog input module. It features a connection type of removable screw terminal block, ensuring ease of installation and maintenance. The unit operates on a supply voltage range of 19-30Vdc, with a nominal voltage of 24Vdc, and is designed for symmetrical rail mounting. It has a current consumption of 50mA when powered at 5Vdc internally and 40mA at 24Vdc externally. The TM2AMI2HT is equipped with 2 analog inputs, which are single-ended and support input ranges of 0-10Vdc and 4-20mA with a resolution of 12-bit, catering to a variety of industrial sensing and control applications.
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Schneider Electric TM2ALM3LT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed for analog input/output operations. It features a connection type of removable screw terminal block and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is mounted on a symmetrical rail and has a current consumption of 50mA at both 5Vdc internal and 24Vdc external. It is equipped with 2 analog inputs that support differential signals for thermocouple types J, K, and T with a 12-bit resolution, and 1 analog output capable of 0-10V or 4-20mA output with a 12-bit resolution.
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Schneider Electric TM5SDO2T is an I/O unit categorized under the Modicon TM5 I/O modules sub-range, designed for DC digital output functions. This unit features a connection type of removable spring terminal block, which is sold separately, and comes in a white color. It operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc, and supports a rated current of 0.5A. The TM5SDO2T is designed for symmetrical DIN rail mounting and can operate within an ambient air temperature range of +14...+131°F / -10...+55 °C for horizontal installation. For vertical installation, the operational temperature range is +14...+122°F / -10...+50 °C, and with a derating factor, it can operate up to +14...+140°F / -10...+60 °C for horizontal installation. It offers an IP20 degree of protection and includes 2 x digital outputs (24Vdc 500mA; Source). The current consumption is 26mA (5Vdc via bus) and 14mA (24Vdc; input/output). Protection functions include short-circuit, reverse polarity, and overload protection. The ambient air temperature for storage is -40...+158°F / -40...+70 °C, with a humidity tolerance of 5-95% without condensation. Power dissipation/losses are calculated at 0.57 W.
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Schneider Electric TM5SDI2A is an AC digital input module within the Modicon TM5 I/O modules sub-range. This unit features two digital inputs (100-240Vac) and utilizes a removable spring terminal block connection type, which is sold separately. It operates with a supply voltage range of 85-264Vac (100-240Vac nominal) and is designed for symmetrical DIN rail mounting. The module is gray and offers an IP20 degree of protection. It has a current consumption of 28mA at 5Vdc via bus and includes short-circuit protection. The TM5SDI2A can operate in ambient air temperatures ranging from +14 to +131°F (-10 to +55°C) for horizontal installation, with a derating factor allowing operation up to +140°F (+60°C), and +14 to +122°F (-10 to +50°C) for vertical installation. It is designed to withstand storage temperatures from -40 to +158°F (-40 to +70°C) and humidity levels of 5-95% without condensation. The power dissipation/losses are rated at 0.69 W.
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Schneider Electric TM2DDO8TT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed as a DC digital output module. It features a connection type of removable screw terminal block and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is engineered for symmetrical rail mounting and is equipped with 8 digital outputs (24Vdc 300mA; transistor; Source). The current consumption is specified at 10mA at 5Vdc (state 1; for all outputs) and 20mA at 24Vdc (state 1; for all outputs).
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Schneider Electric TM2ARI8LT is an I/O unit specifically designed as part of the Modicon TM2 I/O modules sub-range. This analog input module features a removable screw terminal block connection type and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. It is designed for symmetrical rail mounting and has a current consumption of 90mA at 5Vdc internal and 140mA at 24Vdc external. The module is equipped with 8 analog inputs that support temperature probe RTD types Pt100 and Pt1000, offering a 12-bit resolution for input signals.
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Schneider Electric TM171VEVD4 is an I/O unit categorized under the Modicon M171 electronic expansion valve drivers sub-range, designed specifically for electronic expansion valve driving (EEVD). It features a connection type of removable screw terminal block, which is sold separately. The unit operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc, and is designed for DIN rail (35mm) mounting. It can operate in ambient air temperatures ranging from +23 to +122°F (-5 to +50°C) and has a degree of protection rated at IP20. The TM171VEVD4 is equipped with 1 x digital output (Single Pole Single Throw relay contact) and 1 x digital output (open collector), alongside 2 x digital inputs (Sink/Source; volt-free). Additionally, it includes 2 x analog inputs for NTC sensors and 2 x analog inputs for RTD type Pt1000 sensors, with support for 4-20mA, 0-5Vdc, and 0-10Vdc signals.
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Schneider Electric TM2DDI32DK is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as a DC digital input module. It features a HE-10 connector for its connection type and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is engineered for symmetrical rail mounting and has a current consumption of 65mA at 5Vdc when in state 1 for all inputs. It is equipped with 32 x digital inputs, which support both sink and source configurations.
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Schneider Electric TM2AMO1HT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as an analog output module. It features a removable screw terminal block connection type, ensuring ease of installation and maintenance. The unit operates on a supply voltage range of 19-30Vdc, with a nominal voltage of 24Vdc, and can be mounted on a symmetrical rail. It has a current consumption of 50mA when powered by 5Vdc internally and 40mA with an external 24Vdc supply. The TM2AMO1HT provides 1 x analog output, supporting 0-10V, 4-20mA, and 12-bit resolution outputs, catering to a variety of industrial automation needs.
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Schneider Electric TWDXCAXBTN010 is a cable designed for adaptation purposes. This product facilitates the connection and communication between different components within an automation system, ensuring compatibility and streamlined integration.
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
TM2AMI2HT Schneider Electric TM2AMI2HT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as an analog input module. It features a connection type of removable screw terminal block, ensuring ease of installation and maintenance. The unit operates on a supply voltage range of 19-30Vdc, with a nominal voltage of 24Vdc, and is designed for symmetrical rail mounting. It has a current consumption of 50mA when powered at 5Vdc internally and 40mA at 24Vdc externally. The TM2AMI2HT is equipped with 2 analog inputs, which are single-ended and support input ranges of 0-10Vdc and 4-20mA with a resolution of 12-bit, catering to a variety of industrial sensing and control applications. | Schneider Electric | Quick Quote | |||
TM2ALM3LT Schneider Electric TM2ALM3LT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed for analog input/output operations. It features a connection type of removable screw terminal block and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is mounted on a symmetrical rail and has a current consumption of 50mA at both 5Vdc internal and 24Vdc external. It is equipped with 2 analog inputs that support differential signals for thermocouple types J, K, and T with a 12-bit resolution, and 1 analog output capable of 0-10V or 4-20mA output with a 12-bit resolution. | Schneider Electric | Quick Quote | |||
TM5SDO2T Schneider Electric TM5SDO2T is an I/O unit categorized under the Modicon TM5 I/O modules sub-range, designed for DC digital output functions. This unit features a connection type of removable spring terminal block, which is sold separately, and comes in a white color. It operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc, and supports a rated current of 0.5A. The TM5SDO2T is designed for symmetrical DIN rail mounting and can operate within an ambient air temperature range of +14...+131°F / -10...+55 °C for horizontal installation. For vertical installation, the operational temperature range is +14...+122°F / -10...+50 °C, and with a derating factor, it can operate up to +14...+140°F / -10...+60 °C for horizontal installation. It offers an IP20 degree of protection and includes 2 x digital outputs (24Vdc 500mA; Source). The current consumption is 26mA (5Vdc via bus) and 14mA (24Vdc; input/output). Protection functions include short-circuit, reverse polarity, and overload protection. The ambient air temperature for storage is -40...+158°F / -40...+70 °C, with a humidity tolerance of 5-95% without condensation. Power dissipation/losses are calculated at 0.57 W. | Schneider Electric | Quick Quote | |||
TM5SDI2A Schneider Electric TM5SDI2A is an AC digital input module within the Modicon TM5 I/O modules sub-range. This unit features two digital inputs (100-240Vac) and utilizes a removable spring terminal block connection type, which is sold separately. It operates with a supply voltage range of 85-264Vac (100-240Vac nominal) and is designed for symmetrical DIN rail mounting. The module is gray and offers an IP20 degree of protection. It has a current consumption of 28mA at 5Vdc via bus and includes short-circuit protection. The TM5SDI2A can operate in ambient air temperatures ranging from +14 to +131°F (-10 to +55°C) for horizontal installation, with a derating factor allowing operation up to +140°F (+60°C), and +14 to +122°F (-10 to +50°C) for vertical installation. It is designed to withstand storage temperatures from -40 to +158°F (-40 to +70°C) and humidity levels of 5-95% without condensation. The power dissipation/losses are rated at 0.69 W. | Schneider Electric | Quick Quote | |||
TM2DDO8TT Schneider Electric TM2DDO8TT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed as a DC digital output module. It features a connection type of removable screw terminal block and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is engineered for symmetrical rail mounting and is equipped with 8 digital outputs (24Vdc 300mA; transistor; Source). The current consumption is specified at 10mA at 5Vdc (state 1; for all outputs) and 20mA at 24Vdc (state 1; for all outputs). | Schneider Electric | Quick Quote | |||
TM2ARI8LT Schneider Electric TM2ARI8LT is an I/O unit specifically designed as part of the Modicon TM2 I/O modules sub-range. This analog input module features a removable screw terminal block connection type and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. It is designed for symmetrical rail mounting and has a current consumption of 90mA at 5Vdc internal and 140mA at 24Vdc external. The module is equipped with 8 analog inputs that support temperature probe RTD types Pt100 and Pt1000, offering a 12-bit resolution for input signals. | Schneider Electric | Quick Quote | |||
TM171VEVD4 Schneider Electric TM171VEVD4 is an I/O unit categorized under the Modicon M171 electronic expansion valve drivers sub-range, designed specifically for electronic expansion valve driving (EEVD). It features a connection type of removable screw terminal block, which is sold separately. The unit operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc, and is designed for DIN rail (35mm) mounting. It can operate in ambient air temperatures ranging from +23 to +122°F (-5 to +50°C) and has a degree of protection rated at IP20. The TM171VEVD4 is equipped with 1 x digital output (Single Pole Single Throw relay contact) and 1 x digital output (open collector), alongside 2 x digital inputs (Sink/Source; volt-free). Additionally, it includes 2 x analog inputs for NTC sensors and 2 x analog inputs for RTD type Pt1000 sensors, with support for 4-20mA, 0-5Vdc, and 0-10Vdc signals. | Schneider Electric | Quick Quote | |||
TM2DDI32DK Schneider Electric TM2DDI32DK is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as a DC digital input module. It features a HE-10 connector for its connection type and operates on a supply voltage of 19-30Vdc, with a nominal voltage of 24Vdc. This unit is engineered for symmetrical rail mounting and has a current consumption of 65mA at 5Vdc when in state 1 for all inputs. It is equipped with 32 x digital inputs, which support both sink and source configurations. | Schneider Electric | Quick Quote | |||
TM2AMO1HT Schneider Electric TM2AMO1HT is an I/O unit categorized under the Modicon TM2 I/O modules sub-range, designed specifically as an analog output module. It features a removable screw terminal block connection type, ensuring ease of installation and maintenance. The unit operates on a supply voltage range of 19-30Vdc, with a nominal voltage of 24Vdc, and can be mounted on a symmetrical rail. It has a current consumption of 50mA when powered by 5Vdc internally and 40mA with an external 24Vdc supply. The TM2AMO1HT provides 1 x analog output, supporting 0-10V, 4-20mA, and 12-bit resolution outputs, catering to a variety of industrial automation needs. | Schneider Electric | Quick Quote | |||
TWDXCAXBTN010 Schneider Electric TWDXCAXBTN010 is a cable designed for adaptation purposes. This product facilitates the connection and communication between different components within an automation system, ensuring compatibility and streamlined integration. | Schneider Electric | Quick Quote | |||
Programmable Logic Controllers
General Guide & Overview
Programmable Logic Controllers (PLCs) are digital computers used in industrial organizations to control computer systems. They monitor inputs and make decisions about related outputs, making them an essential component in predictive maintenance systems. PLCs have a rich history, with the first one being developed by Dick Morley in 1968. Over the years, PLC technology has evolved, from physical relays and timers to PC-based software.
PLCs can be classified into different types, such as PLCs, PACs, SCADA, DCS, and DDC, each serving specific automation needs. They consist of key components, including inputs, outputs, CPUs, communications, and HMIs. PLCs operate through a scan cycle, continuously monitoring inputs, executing control programs, and controlling outputs.
Different programming languages, such as ladder logic, structured text, instruction list, function block diagram, and sequential function chart, are used to program PLCs. Compact and modular PLCs offer flexibility and scalability. PLC maintenance is essential for optimal performance, with tasks such as cleaning dust, replacing modules, and checking connections.
Types and Components of PLCs
Programmable Logic Controllers (PLCs) come in various types, each designed to meet specific automation needs. Two main types of PLCs are compact PLCs and modular PLCs. Compact PLCs are integrated single-unit systems with the processor, power supply, and I/O modules all housed together. They are ideal for smaller applications due to their smaller physical footprint. On the other hand, modular PLCs offer flexibility and scalability, allowing for easier system expansion. They are often preferred by larger or growing companies that require more extensive control.
A PLC consists of several critical components that work together to perform its function. These components include inputs, outputs, CPUs, and communication capabilities. Inputs are connected to sensors and devices to gather data and information. The gathered data is then processed by the CPU, the brain of the PLC, which evaluates and makes decisions based on the input. The output devices, connected to outputs, control various components such as valves and motors to execute the desired actions.
PLCs also have communication capabilities, enabling integration with other devices and systems in the industrial environment. This ensures seamless coordination and interaction between different elements of the automation system. PLCs are an essential part of automation systems, providing reliable control and efficient operation across various industries.
PLC Maintenance Best Practices
Proper PLC maintenance is crucial for ensuring optimal performance and minimizing breakdowns. By following a comprehensive PLC maintenance checklist, you can keep your system running smoothly and prevent costly downtime.
Here are some important PLC maintenance tasks:
Cleaning dust from input and output devices to prevent signal interference and component failure.
Changing filters regularly to control dust accumulation and maintain proper ventilation within the PLC system.
Inspecting connections for secureness to avoid loose connections that can disrupt communication and reduce reliability.
Replacing worn-out modules to prevent malfunctions and ensure accurate processing of data and commands.
Increasing awareness of unusual activity by monitoring error logs and system performance to identify potential issues before they escalate.
Backing up PLC data regularly to protect against data loss in the event of a system failure or unexpected event.
Monitoring environmental conditions such as temperature and humidity to ensure they are within the specified operating range.
Calibrating devices periodically to maintain accurate measurements and prevent deviations that can impact system performance.
Conducting visual inspections of the PLC system to identify any physical damage, loose connections, or signs of wear and tear.
Checking LED lights for proper functionality, as they provide valuable diagnostic information.
Inspecting sensors to ensure they are clean, properly aligned, and functioning correctly, as they are critical for accurate data acquisition.
Addressing electromagnetic interference by keeping sensitive components and wiring away from sources of electromagnetic radiation.
Reviewing the proximity of equipment to identify potential interference and ensure proper positioning for efficient operation.
Keeping the PLC system up to date with recalls and upgrades to benefit from the latest software patches, enhancements, and security updates.
The frequency of maintenance tasks may vary depending on factors such as the surrounding environment, machine usage, and available maintenance staff capacity. It is recommended to perform daily tasks such as dusting and tidying, while more specific tasks can be scheduled at regular intervals or based on manufacturer recommendations.
FAQ
What is a programmable logic controller (PLC)?
A programmable logic controller (PLC) is a digital computer used in industrial organizations to control computer systems. It monitors inputs and makes decisions about related outputs, making it an essential component in predictive maintenance systems.
Who invented the first PLC?
The first PLC was developed by Dick Morley in 1968.
How do PLCs work?
PLCs operate through a scan cycle, continuously monitoring inputs, executing control programs, and controlling outputs.
What are the different types of PLCs?
PLCs can be classified into types such as PLCs, PACs, SCADA, DCS, and DDC, each serving specific automation needs.
What are the key components of a PLC?
The key components of a PLC include inputs, outputs, CPUs, communications, and HMIs.
What programming languages are used for PLCs?
Different programming languages, such as ladder logic, structured text, instruction list, function block diagram, and sequential function chart, are used to program PLCs.
What are the advantages of PLCs?
PLCs offer advantages such as flexibility, scalability, easy expansion, integration with other devices and systems, and improved processing speeds.
Where are PLCs used?
PLCs are used in various industries, including manufacturing, automation, oil and gas, energy, and transportation.
How important is PLC maintenance?
PLC maintenance is crucial for ensuring optimal performance and avoiding breakdowns. Regular tasks include cleaning dust, replacing modules, and checking connections.