1756-L81E ControlLogix 5580 Controllers

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Product Numbers: 1756-L81E
Product Type: ControlLogix 5580 Controllers
Place of 0rigin: USA
Redundant Power Supply: 1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756-PB75RK, 1756-PSCA2, 1756-PSCA2K I-O Memory N/A
Maximum I-O: 128,000
Maximum Analog I-O: 4,000
Maximum Digital I-O: 128,000
Thermal Dissipation: 21.2 BTU per hour
Isolation Voltage: 50 Volts Continuous
Power Dissipation: 6.2 Watts
Current Draw (5.1 Volts): 1.20 Miliamperes
Current Draw (1.2 Volts DC): 5.0 Miliamperes
User Memory: 3 MB
Enclosure: None (Open-Style)
Communication interfaces: One (1) Ethernet; One (1) USB

The 1756-L81E is a ControlLogix controller from the ControlLogix 5580 product family, the latest and modern designed ControlLogix series. It is a Programmable Automation Controller (PAC) that comes with modern connectivity and modern features allowing it to be used as migration platform for legacy controllers such as PLC5 and SLC500 controllers and solutions for demanding industrial application requirements.
The 1756-L81E lies in the low-end of the 1756-L8 series controllers, with 3 MB user memory and shipped with a 2 GB non-volatile memory via the 1784-SD2 Secure Digital (SD) card. This controller can handle up to 128,000 discrete input and output signals and 4,000 analog input and output signals. It also eliminates the need for a battery to back up the RAM, as it uses an environmentally friendly energy storage solution.
This controller requires only a single slot in the chassis and can be installed in a variety of 1756 ControlLogix chassis such as 1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K, 1756-A17, 1756-A17K Series B and Series C chassis. It supports simplex, redundant, and high-availability configurations and is compatible with a wide variety of standard and redundant power supplies, including 1756-PA50, 1756-PA72, 1756-PA72K, 1756-PA75, 1756-PA75K, 1756-PB50, 1756-PB72, 1756-PB72K, 1756-PB75, 1756-PB75K, 1756-PH75, 1756-PC75, 1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756-PB75RK, 1756-PSCA2, and 1756-PSCA2K.
It has a built-in USB 2.0 port, multiple communication options, and supports up to 60 Ethernet/IP nodes. The 1756-L81E can be installed in any slot of the chassis and occupies a single slot. It has a T4 temperature code (ATEX, IECx, and North America) and an open-style casing. Its operating temperature ranges from 0 °C to 60 °C (32 °F to 140 °F) with 5–95% ambient humidity without condensation. The controller is IECx, CSA, and c-UL-us certified, with IEC 61000-6-4 rated emission. It is rated to withstand 30 G shock and 2 G vibration at 10–500 Hz.

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