Allen-Bradley 1756-L84E ControlLogix controller

The Allen-Bradley 1756-L84E is a ControlLogix controller. This controller belongs to the high-end controller with modern design and connectivity. This controller is ideally used for large applications as it can be used to interface and control Input and output devices, specifically, 128,000 Discrete Input and Outputs and 4000 Analog Inputs and Outputs.

It supports local I/O control as well as implementation of distributed I/O architecture utilizing one or more communication protocols such as EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SynchLink, and Third-party process and device networks

Technical specifications for 1756-L84E

ManufacturerRockwell Automation

Isolation Voltage50 Volts Continuous

Power Dissipation6.2 Watts

Current Draw (5.1 Volts)1.20 Miliamperes

Current Draw (1.2 Volts DC)5.0 Miliamperes

User Memory20 MB

Module TypeControlLogix Controller

Part Number/Catalog No.1756-L84E

EnclosureNone (Open-Style)

BrandAllen-Bradley

Communication interfacesOne (1) Ethernet; One (1) USB

Chassis1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K,1756-A17, 1756-A17 K Series B, Series C

Standard Power Supply1756-PA50, 1756-PA72, 1756-PA72K, 1756-PA75, 1756-PA75K, 1756-PB50, 1756-PB72, 1756-PB72K, 1756-PB75, 1756-PB75K, 1756-PH75, 1756-PC75

Redundant Power Supply1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756-PB75RK, 1756-PSCA2, 1756-PSCA2K

SeriesControlLogix

I-O MemoryN/A

Maximum I-O128,000

Maximum Analog I-O4,000

Maximum Digital I-O128,000

Thermal Dissipation21.2 BTU per hour

The 1756-L84E comes with integrated communication port such as One (1) Ethernet I/P. This embedded port supports 10/100/1000 Mbps transmission speed and may be used to communicate with Human Machine Interface (HMI), Supervisory Control and Data Acquisition (SCADA) and other controllers through messaging instructions within the same Ethernet network. The USB port is a USB 2.0 that supports 12 Mbps communication speed.

1756-L84E

ControlLogix Controller, N/A I-O Memory, 128000 Maximum I-O, 6.2 Watts

1756-L84EK

ControlLogix Controller, N/A I-O Memory, 128000 Maximum I-O, 6.2 Watts, Conformal Coat