1745-LP151 Allen‑Bradley Programmable Logic Controller

Description

1769-IQ32 Allen‑Bradley digital input module

Product Dimensions：

Product Description

The Allen-Bradley 1745-LP151 is a Programmable Logic Controller (PLC) from the SLC 150 series, designed for small-scale industrial automation applications. This compact and cost-effective controller features embedded inputs and outputs, making it suitable for micro to small automation tasks. It uses programmed instructions with relay-type symbology, replacing traditional hard-wired relay circuitry, and is known for its ease of programming, operation, and maintenance.

Product Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Series: SLC 150

• Part Number: 1745-LP151

• Controller Type: Programmable Logic Controller (PLC)

• Power Supply:

  • Input Voltage: 85-132 VAC / 170-265 VAC, 50/60 Hz

  • Maximum Power Required: 25 VA

• Inputs:

  • 20 Sinking Inputs (85-132 VAC)

  • Optical isolation and filtering for protection against high-voltage transients

• Outputs:

  • 10 Triac Outputs (85-265 VAC)

  • 2 Hard Contact Relay Outputs (10-250 VAC / 10-125 VDC)

• Memory:

  • Type: CMOS RAM

  • Size: 1200 Words

  • Optional 1745-M1 EEPROM module for program storage and backup

• Scan Time: 4 ms

• High-Speed Input (HSI): Supports up to 4 high-speed input devices (up to 5 kHz) with selectable voltage levels and filter delay times via dip switches

• Communication:

  • RS-232C port for programming and data exchange

  • Compatible with pocket programmer, interface converter, or Timer Counter Access Terminal (1745-TCAT)

• Backup: Standard capacitor backup, optional battery backup

• Environmental Conditions:

  • Operating Temperature: 0 to 60°C (32 to 140°F)

  • Storage Temperature: -40 to 85°C (-40 to 185°F)

  • Humidity: 5 to 95% (non-condensing)

• Vibration: 0.015 inch peak-to-peak displacement, 2.5g max acceleration (1 hr/axis)

• Certifications: UL, CE, CSA

• Mounting: DIN rail or panel mounting

• Dimensions: 13.25 x 9 x 6 inches

• Weight: 1.81 kg

• Product Lifecycle: Obsolete (support may be available through third-party suppliers)

Product Advantages

• Compact and Modular Design: Ideal for small-scale automation, saving space in control panels.

• Versatile I/O Configuration: 20 sinking inputs, 10 triac outputs, and 2 relay outputs provide flexibility for various control tasks.

• High-Speed Input Capability: Supports up to 5 kHz input signals, suitable for applications requiring rapid signal processing.

• Ease of Programming: Uses ladder logic programming with relay-type symbology, making it user-friendly for engineers familiar with relay-based systems.

• Expandability: Compatible with SLC 150 I/O expansion modules for increased I/O capacity.

• Reliable Operation: Optical isolation and filtering protect against high-voltage transients, ensuring robust performance in industrial environments.

• Flexible Communication: RS-232C interface allows easy programming and system diagnostics.

• Cost-Effective: Provides reliable control for small automation tasks at a lower cost compared to larger PLC systems.

Precautions

• Obsolete Status: The 1745-LP151 is discontinued by the manufacturer, so firmware updates, software licenses, or official support may be unavailable. Verify third-party support or availability before purchasing.

• Power Supply: Ensure proper wiring and voltage connections (85-132 VAC or 170-265 VAC) to avoid damage to the controller.

• Firmware and Software: The controller may not include pre-installed firmware or software. Users are responsible for obtaining proper licenses from Rockwell Automation or authorized sources.

• EEPROM Module: The optional 1745-M1 EEPROM module is required for program backup; confirm availability if needed.

• Environmental Limits: Operate within the specified temperature (0 to 60°C) and humidity (5 to 95% non-condensing) ranges to prevent malfunction.

• Battery Maintenance: If using the optional battery backup, regularly inspect and replace the battery to avoid memory loss.

• Programming: Use compatible programming tools (e.g., 1745-TCAT or RS-232C cables) and follow Allen-Bradley guidelines to ensure proper configuration.

• Expansion Modules: Verify compatibility with expansion modules to avoid system errors.

Product Applications

The Allen-Bradley 1745-LP151 is suited for small-scale industrial automation tasks, including:

• Machine Control: Automating machinery in manufacturing processes, such as small production lines or standalone machines.

• Material Handling: Controlling conveyor systems or sorting mechanisms in warehouses and distribution centers.

• Packaging Systems: Managing automated packaging or assembly lines for efficient operation.

• HVAC and Environmental Control: Regulating heating, ventilation, air conditioning, or environmental monitoring systems.

• Water Treatment: Monitoring and controlling pumps, valves, and sensors in water treatment or utility systems.

• General Automation: Suitable for micro-automation tasks requiring reliable control with limited I/O requirements.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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