The 1756-L83EXT Controller is a ControlLogix-XT controller manufactured as part of the ControlLogix-XT 5580 series of controllers. This unit comes with 10 MB of standard user memory and with an optional non-volatile memory capacity of 2 GB. The current draw of this controller is 1.2 Amps at 5.1 Volts DC and 5.0 milliamps at 1.2 Volts DC. It features a power dissipation rating of 6.2 Watts, a thermal dissipation rating of 21.2 BTU per hour, and 50 Volts of continuous isolation voltage for the USB port to the backplane, the Basic Insulation Type USB port to the Ethernet port, and the Ethernet port to the backplane. It is tested at 1000 Volts AC for 1 minute. The Allen Bradley 1756-L83EXT Controller comes with a weight of 0.394 kilograms and a chassis-based module location. It has an operating temperature range of -25 to 70 degrees, especially in the XT chassis from Series C. The non-operating temperature range of this controller is from -40 to 85 degrees Celsius.
The Allen Bradley 1756-L83EXT ControlLogix-XT 5580 Controller has a maximum surrounding air temperature rating of 70 degrees Celsius for the XT Chassis from Series C. The tolerable relative humidity range for the controller is from 5 to 95 percent, non-condensing, its maximum vibration rating is 2 g at 10 to 500 Hertz, and its maximum shock rating is 30 g both in operation and when powered down. The enclosure rating of this controller is the open-style rating and it uses wire category 3 for the USB ports and wire category 2 for the Ethernet ports. The 1756-L83EXT ControlLogix-XT 5580 Controller is listed and approved for compliance with the CSA, CE, RCM, Ex, IECEx, FM, cULus, KC, and EAC standards. It supports programming languages like the relay ladder logic, structured text, sequential function chart, and function block diagram programming languages.
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| Brand | Allen Bradley / Rockwell Automation |
| Series | ControlLogix |
| Part Number | 1756-L83EXT |
| Product Type | Controller |
| Product Line | ControlLogix-XT 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 |
| Shock | 30 G |
| Vibration | 2 G at 10 to 500 Hz |
| Thermal Dissipation | 21.2 BTU/hour |