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1756-L72B

1756-L72B

Manufacturer: ALLEN BRADLEY

Condition: New and Unused, Surplus.

Price: Available on Request

Overview of Allen-Bradley 1756-L72 Series B

The Allen-Bradley 1756-L72 Series B is a ControlLogix 5570 standard programmable automation controller (PAC) designed for industrial control systems requiring high-speed processing and large program capacity. It features 4 MB of user memory and 0.98 MB of I/O memory, supporting up to 128,000 discrete I/O points and 4,000 analog I/O points. The controller includes a USB programming port and a 4-character alphanumeric display for status indication.

Key Features

  • 4 MB user program memory and 0.98 MB I/O memory
  • Supports up to 128,000 discrete I/O and 4,000 analog I/O points
  • USB programming and communication port
  • Supports multiple communication protocols including EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink, and serial
  • Supports up to 32 tasks with 100 programs per task
  • Battery-backed RAM with replaceable 1756-BA2 or 1756-BA1 battery
  • Operating temperature of 0 to 60 °C (32 to 140 °F)
  • Power consumption: 800 mA at 5.1 V DC, 5 mA at 1.2 V DC
  • Power dissipation: 3.5 W
  • Open-style enclosure for use in ControlLogix chassis (1756-A4, A7, A10, A13, and A17)
  • Serial port supports ASCII, DF1 full and half-duplex, DH-485

Technical Specifications

Model 1756-L72 Series B
User Memory 4 MB
I/O Memory 0.98 MB
Maximum Discrete I/O 128,000 points
Maximum Analog I/O 4,000 points
Communication Ports USB, RS-232 serial, EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink
Programming Supports up to 32 tasks and 100 programs/task
Battery 1756-BA2 or 1756-BA1 (replaceable)
Operating Temperature 0 to 60 °C
Power Consumption 800 mA at 5.1 V DC, 5 mA at 1.2 V DC
Power Dissipation 3.5 W
Enclosure Open-style (fits ControlLogix chassis)
Weight Approx. 0.35 kg (0.78 lb)

Applications

The 1756-L72 is used in advanced industrial automation environments requiring high-speed processing, extensive I/O support, and versatile communication options. Typical applications include manufacturing control, material handling, batch processing, and complex machine automation systems.


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