All categories
Programmable Logic Controllers
Programmable Logic Controllers - Pilz
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
Pilz PILZ-328206 is an I/O unit designed for backplane or rackmount installation, featuring digital input electronic modules with potential isolation between input and module supply, and functional insulation rated at a surge voltage of 2500V. It operates within an ambient air temperature range of 0 to +55 °C and has a net height of 110.8 mm. This unit is part of the Standard I/O module sub-range, with a degree of protection rated at IP20 and requires a supply voltage of 16.8-30Vdc (24Vdc nominal). The housing is made from PPE material, and the unit has a net width of 12.5 mm and a net depth of 72.5 mm. It can be connected via plug-in/detachable cage-clamp terminal connections and has a power consumption of 0.11 W at input and 0.12 W for module supply. The PILZ-328206 supports 4 x digital inputs (24Vdc; 3-3.5mA; type 3 to IEC61131-2; -3...+5Vdc at "0"; +11...+30Vdc at "1"), with a maximum power dissipation/losses of 0.6 W. It features a processing time for input signals ranging from 0.005 to 0.3 ms, with a software filter time of 0 to 25.5 ms, and is designed for storage in ambient air temperatures of -40 to +70 °C.
Quick Quote
Pilz PILZ-328092 is a Safety I/O unit designed for backplane or rackmount installation. It features a digital output electronic safety module with permitted load types including inductive, capacitive, and resistive. The unit provides potential isolation between the semiconductor output and module supply, as well as between the periphery supply and module supply, both with functional insulation and a rated surge voltage of 2500V. It operates within an ambient air temperature range of 0 to +55°C and has a net height of 110.8 mm. The design includes device code 4044h with 8 ST output bits plus 8 ST status bits. The rated current ranges from 0 to 0.625A for permitted output current, with a residual current of 0.02mA at a "0" signal and a maximum transient pulsed output current of 12A. Connection is facilitated through plug-in/detachable cage-clamp terminal connections. This Safe I/O module, with a degree of protection IP20, requires a supply voltage of 16.8-30Vdc (24Vdc nominal) and is housed in PPE material. The net width is 12.5 mm, and the net depth is 72.5 mm. It can be stored in ambient air temperatures ranging from -40 to +70°C. The module features 8 digital outputs (1-pole positive-switching semiconductor outputs; 24Vdc; 0.5A), includes short-circuit proof potential isolation, and has a current consumption of 55mA with no load. Power consumption is 0.65W for module supply, 1.65W for periphery supply module power consumption with no load, and 0.05W for semiconductor output. Power dissipation/losses can reach up to 2.7W. The processing time ranges from 0.1-12.7 ms for the maximum duration ON/OFF time during self-test, with an output processing time of max. 8 ms for "1" to "0" and "0" to "1" signal changes. The internal voltage drop is 0.08 V.
Quick Quote
Pilz PILZ-772181 is a Safety I/O unit designed as a configurable safety small digital input expansion unit with a comprehensive range of monitoring functions. These include Safe Speed Monitoring (SSM), Safe Speed Range Monitoring (SSR-M), Safe Direction of Movement Monitoring (SDI-M), Safe Operating Stop Monitoring (SOS-M), Safe Stop 1 Monitoring (SS1-M), Safe Stop 2 Monitoring (SS2-M), Safely Limited Acceleration Monitoring (SLA-M), and Safely Limited Acceleration Range Monitoring (SAR-M). It features potential isolation between sensor and system voltage with functional insulation, rated insulation voltage at 30V, and rated surge voltage at 2500V. The same potential isolation specifications apply between sensor 1 and sensor 2. Designed for DIN rail mounting, it supports both 35mmx7.5mm top hat and 27mm recess width rails. The unit operates within an ambient air temperature range of 0 to +60°C without forced convection and up to +55°C with forced convection in the control cabinet. It has a net height of 101.4 mm, a net width of 22.5 mm, and a net depth of 111 mm. Connection types include plug-in/detachable screw or spring-loaded terminals, and an 8-pin mini-IO female connector for incremental encoder input, accommodating a wide range of wire sizes. The module is IP20 rated, requires a 24Vdc supply voltage from the base unit, and supports a frequency range for input and monitoring without hysteresis. The housing is made from PC material. Power consumption is 3.5 W from the supply via the base module, with a maximum power dissipation/loss of 3.9 W. It has a storage ambient air temperature range of -25 to +70°C and includes protection functions such as short-circuit proof, overload proof, and potential isolation. The response time after a limit value is exceeded is calculated as 1/f_ist + 0.016 s. The unit has two digital inputs for proximity switches, with specific signal level requirements for "1" and "0" states, and a current consumption of 150mA from the supply via the base module.
Quick Quote
Pilz PILZ-773310 is a Safety I/O unit designed as a digital input safety expansion module that supports short-term condensation during operation. It is suitable for DIN rail mounting, compatible with both 35mmx7.5mm top hat and 27mm recess width rails. The unit operates within an ambient air temperature range of -25 to +60°C and has a coated design for added durability. It features screw terminal connections and spring-loaded terminal connections, requiring a 7mm stripping length for screw connections and a 9mm stripping length for spring-loaded connections. As part of the Safe I/O module sub-range, it offers an IP20 degree of protection and requires a supply voltage of 20.4-28.8Vdc (24Vdc nominal) or 4.9-5.1Vdc (5Vdc nominal; module supply via base unit). The bottom housing is made of PPO, and the front housing is ABS, supporting a maximum cable length of 1000m per input. The unit's dimensions are 94mm in height, 22.5mm in width, and 121mm in depth, with a cross-section range for connections from 0.25 to 1.5mm2 / 24AWG to 16AWG for various configurations. It consumes 2.5W of power from the supply via the base module and can be stored within an ambient air temperature range of -25 to +70°C. The response time specifications include a minimum pulse duration of 18ms, with a simultaneity channel 1 and 2 max of 3s and a 2-hand circuit of 0.5s. It features 8 x digital inputs (24Vdc; EN 61131-2 Type 1), with a time delay of up to 4ms for input delay, 5s for switch-on delay, and 20ms for supply interruption before de-energization. The processing time for pulse suppression is 0.6 ms, and the rated insulation voltage (Ui) is 30 V.
Quick Quote
| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
PILZ-328206 Pilz PILZ-328206 is an I/O unit designed for backplane or rackmount installation, featuring digital input electronic modules with potential isolation between input and module supply, and functional insulation rated at a surge voltage of 2500V. It operates within an ambient air temperature range of 0 to +55 °C and has a net height of 110.8 mm. This unit is part of the Standard I/O module sub-range, with a degree of protection rated at IP20 and requires a supply voltage of 16.8-30Vdc (24Vdc nominal). The housing is made from PPE material, and the unit has a net width of 12.5 mm and a net depth of 72.5 mm. It can be connected via plug-in/detachable cage-clamp terminal connections and has a power consumption of 0.11 W at input and 0.12 W for module supply. The PILZ-328206 supports 4 x digital inputs (24Vdc; 3-3.5mA; type 3 to IEC61131-2; -3...+5Vdc at "0"; +11...+30Vdc at "1"), with a maximum power dissipation/losses of 0.6 W. It features a processing time for input signals ranging from 0.005 to 0.3 ms, with a software filter time of 0 to 25.5 ms, and is designed for storage in ambient air temperatures of -40 to +70 °C. | Pilz | Quick Quote | |||
PILZ-328092 Pilz PILZ-328092 is a Safety I/O unit designed for backplane or rackmount installation. It features a digital output electronic safety module with permitted load types including inductive, capacitive, and resistive. The unit provides potential isolation between the semiconductor output and module supply, as well as between the periphery supply and module supply, both with functional insulation and a rated surge voltage of 2500V. It operates within an ambient air temperature range of 0 to +55°C and has a net height of 110.8 mm. The design includes device code 4044h with 8 ST output bits plus 8 ST status bits. The rated current ranges from 0 to 0.625A for permitted output current, with a residual current of 0.02mA at a "0" signal and a maximum transient pulsed output current of 12A. Connection is facilitated through plug-in/detachable cage-clamp terminal connections. This Safe I/O module, with a degree of protection IP20, requires a supply voltage of 16.8-30Vdc (24Vdc nominal) and is housed in PPE material. The net width is 12.5 mm, and the net depth is 72.5 mm. It can be stored in ambient air temperatures ranging from -40 to +70°C. The module features 8 digital outputs (1-pole positive-switching semiconductor outputs; 24Vdc; 0.5A), includes short-circuit proof potential isolation, and has a current consumption of 55mA with no load. Power consumption is 0.65W for module supply, 1.65W for periphery supply module power consumption with no load, and 0.05W for semiconductor output. Power dissipation/losses can reach up to 2.7W. The processing time ranges from 0.1-12.7 ms for the maximum duration ON/OFF time during self-test, with an output processing time of max. 8 ms for "1" to "0" and "0" to "1" signal changes. The internal voltage drop is 0.08 V. | Pilz | Quick Quote | |||
PILZ-772181 Pilz PILZ-772181 is a Safety I/O unit designed as a configurable safety small digital input expansion unit with a comprehensive range of monitoring functions. These include Safe Speed Monitoring (SSM), Safe Speed Range Monitoring (SSR-M), Safe Direction of Movement Monitoring (SDI-M), Safe Operating Stop Monitoring (SOS-M), Safe Stop 1 Monitoring (SS1-M), Safe Stop 2 Monitoring (SS2-M), Safely Limited Acceleration Monitoring (SLA-M), and Safely Limited Acceleration Range Monitoring (SAR-M). It features potential isolation between sensor and system voltage with functional insulation, rated insulation voltage at 30V, and rated surge voltage at 2500V. The same potential isolation specifications apply between sensor 1 and sensor 2. Designed for DIN rail mounting, it supports both 35mmx7.5mm top hat and 27mm recess width rails. The unit operates within an ambient air temperature range of 0 to +60°C without forced convection and up to +55°C with forced convection in the control cabinet. It has a net height of 101.4 mm, a net width of 22.5 mm, and a net depth of 111 mm. Connection types include plug-in/detachable screw or spring-loaded terminals, and an 8-pin mini-IO female connector for incremental encoder input, accommodating a wide range of wire sizes. The module is IP20 rated, requires a 24Vdc supply voltage from the base unit, and supports a frequency range for input and monitoring without hysteresis. The housing is made from PC material. Power consumption is 3.5 W from the supply via the base module, with a maximum power dissipation/loss of 3.9 W. It has a storage ambient air temperature range of -25 to +70°C and includes protection functions such as short-circuit proof, overload proof, and potential isolation. The response time after a limit value is exceeded is calculated as 1/f_ist + 0.016 s. The unit has two digital inputs for proximity switches, with specific signal level requirements for "1" and "0" states, and a current consumption of 150mA from the supply via the base module. | Pilz | Quick Quote | |||
PILZ-773310 Pilz PILZ-773310 is a Safety I/O unit designed as a digital input safety expansion module that supports short-term condensation during operation. It is suitable for DIN rail mounting, compatible with both 35mmx7.5mm top hat and 27mm recess width rails. The unit operates within an ambient air temperature range of -25 to +60°C and has a coated design for added durability. It features screw terminal connections and spring-loaded terminal connections, requiring a 7mm stripping length for screw connections and a 9mm stripping length for spring-loaded connections. As part of the Safe I/O module sub-range, it offers an IP20 degree of protection and requires a supply voltage of 20.4-28.8Vdc (24Vdc nominal) or 4.9-5.1Vdc (5Vdc nominal; module supply via base unit). The bottom housing is made of PPO, and the front housing is ABS, supporting a maximum cable length of 1000m per input. The unit's dimensions are 94mm in height, 22.5mm in width, and 121mm in depth, with a cross-section range for connections from 0.25 to 1.5mm2 / 24AWG to 16AWG for various configurations. It consumes 2.5W of power from the supply via the base module and can be stored within an ambient air temperature range of -25 to +70°C. The response time specifications include a minimum pulse duration of 18ms, with a simultaneity channel 1 and 2 max of 3s and a 2-hand circuit of 0.5s. It features 8 x digital inputs (24Vdc; EN 61131-2 Type 1), with a time delay of up to 4ms for input delay, 5s for switch-on delay, and 20ms for supply interruption before de-energization. The processing time for pulse suppression is 0.6 ms, and the rated insulation voltage (Ui) is 30 V. | Pilz | 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.