1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory

Description 

The Allen-Bradley 1756-L1M1 is a ControlLogix 5550 controller. A 500 Kbyte data and logic memory and a 150 Kbyte I/O memory are available for this particular module. It does not have a nonvolatile memory. This controller can be installed in any available slot of the chassis. It also has an open-style enclosure type rating.

Technical Specifications 

Information About 1756-L1M1

The Allen Bradley 1756-L1M1 controller has a battery that can be replaced. The 1756-BA1, which is a 0.59g lithium battery, is the only compatible replacement battery for it. Also, only the 1756-CP3 serial cable category 3 is the compatible programming cable for the 1756-L1M1.

It has a noncondensing relative humidity of 5% to 95%. The operating temperature range of the 1756-L1M1 controller is from 0 to 60 Degrees Celsius, while the storage temperature range is from -40 to 85 Degrees Celsius.

The 1756-L1M1 controller has a backplane current of 950 mA at 5.1V and 20 mA at 24V, and a module power of 5.33 W. It has an average power dissipation of 4.6 W and an average thermal dissipation of 15.6 BTU/hr.

Vibration of the 1756-L1M1 controller ranges from 10 to 500 Hz with a 2.0 G maximum peak acceleration. It has an operating shock of 30 G peak for 11 ms. Storage shock of the 1756-L1M1 is 50 G peak for 11 ms. It also has an isolation voltage of 30V and has been tested to withstand 500 Volts for 60 seconds.

It has an ESD immunity of 6 kV contact discharges and 8 kV air discharges. Its radiated RF immunity is 10V/m with 1 kHz sine-wave 80%AM from 30 MHz to 1000 MHz and 10V/m with 200 Hz 50% Pulse 100% AM at 900 MHz. The controller also has an EFT/B immunity of +/-4 kV at 2.5 kHz on power ports and +/-2 kV at 5 Hz on communication ports. It has a conducted RF immunity of 10Vrms with 1 kHz sine-wave 80%AM from 150 kHz to 80 MHz.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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