Allen Bradley ControlLogix Processor 1756-L74

ControlLogix Processor 1756-L74

Allen Bradley ControlLogix Processor

Allen-Bradley 1756-L74
ControlLogix Logix 5574 Controller
16 Mbytes Memory
1 x Built-in USB 2.0 Programming/Download Port

1756-L74

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The Allen-Bradley 1756-L74 is a ControlLogix 5570 device that features 32 tasks with 100 programs each and event tasks for all event triggers. Its built-in USB communication port allows it to communicate through EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus™, and Remote I/O SynchLink™ software for programming, configuration, firmware updates, and online editing. ControlLogix 5570 controllers use connections to establish communication links between devices. Its integrated motion features are SERCOS interface, analog options, and integrated motion on the EtherNet/IP network. The programming languages are relay ladder, structured text, function diagram, and sequential function chart.

The 1756-L74 controller has a 16 MB user memory and a 0.98 MB I/O memory. It has 128,000 total and digital I/O and 4000 analog I/O. The controller has compatible energy storage modules like the 1756-ESMCAP, 1756-ESMCAPK, 1756-ESMNSE, 1756-ESMNSEK, 1756-ESMNRM, and the 1756-ESMNRMK modules. The 1756-L74 controller only requires 2.5 W of power dissipation and only 8.5 BTU/hr of thermal dissipation. It has a USB port-to-system basic insulation type. It has a chassis-based module location at any slot for the 1756 series with 1-slot width. Possible chassis include the 1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K,1756-A17, and the 1756-A17 K.

The 1756-L74 uses a standard power supply such as the 1756-PA50, 1756-PA72, and the 1756-PA72K. For power supply redundancy, it only uses the 1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756-PB75RK, 1756-PSCA2, or the 1756-PSCA2K. The 1756-L74 has an open-style enclosure, an operating temperature of 0-60°C, and a non-operating temperature of -40 – 85°C. Its operating vibration is 10 – 500 Hz at 2 g, its operating shock is 30 g, and its non-operating shock is 50 g.

Allen Bradley ControlLogix Processor 1756-L74

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