Allen Bradley/Rockwell Automation manufactures the 1756-L81E-NSE Controller as a ControlLogix controller that is part of the ControlLogix 5580 Controllers series. Some of the main features of this controller include 32 controller tasks, 1000 programs per task, and local input and output event triggers without limits. It also comes with one built-in USB port and an embedded Ethernet port for communication purposes. The USB port has full speed operation at 12 MB per second and it can be used for configuration, programming, and online edits. The Ethernet performance for the 1756-L81E-NSE ControlLogix Controller includes speeds of 10, 100, and 1000 MB per second. Other communication options for this controller include the EtherNet/IP, DeviceNet, ControlNet, Remote IO, Data Highway Plus (DH+), Synch Link, and 3rd-Party process and device communication networks.
The programming languages used for this unit include the Relay Ladder Logic, Function Block Diagram, Structured Text, and Sequential function chart programming languages. The maximum number of supported digital I/O is 128,000 while the maximum number of supported analog I/O is 4000. It has a current draw of 5 milliamps at 1.2 Volts DC and 1.2 Amps at 5.1 Volts DC. This controller has a power dissipation rating of 6.2 Watts, and a thermal dissipation rating of 21.2 BTU per hour, and it has no residual stored energy.
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| Brand | Allen Bradley / Rockwell Automation |
| Series | ControlLogix |
| Part Number | 1756-L81E-NSE |
| Product Type | Controller |
| Product Line | ControlLogix 5580 |
| Controller Tasks | 32 |
| Programs Per Task | 1000 |
| Minimum Current Draw | 5 mA at 1.2V DC |
| Maximum Current Draw | 1.2 A at 5.1V DC |
| Power Dissipation | 6.2 W |
| Thermal Dissipation | 21.2 BTU/hour |