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Allen Bradley ControlLogix 1756-L908TS

Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-L908TS

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The 1756-L908TS is a standard controller within Allen Bradley's ControlLogix series, designed for complex control tasks and extensive I/O capabilities. This module can handle up to 128,000 digital inputs and outputs, with additional support for 4,000 analog I/O channels, making it suitable for large-scale applications.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1756-L908TS

ManufacturerAllen Bradley
Product TypeStandard Controller
Product LineControlLogix
Part Number1756-L908TS
UPC197734628034
Maximum Digital I/O128000 I/O
Standard Memory8 MB
Safety Memory8 MB
Ethernet Performance10/100/1000 Mbps
Maximum Analog I/O4000 I/O
Current Draw at 1.2 VDC5 mA
Current Draw at 5.1 VDC1.2 mA
Power Dissipation6.2 W
Thermal Dissipation21.2 BTU/hr
Module LocationChassis-Based
Temperature CodeT4 Code
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The Allen Bradley 1756-L908TS is a standard controller optimized for substantial I/O management in the ControlLogix series. This unit boasts a capability of regulating up to 128,000 digital inputs and outputs, alongside accommodating as many as 4,000 analog I/O configurations. Memory resources are adequate, with 8 MB allocated for standard operations and an equal amount reserved for safety-related tasks, ensuring effective performance in both routine and secure environments.

Connectivity is robust, enabling Ethernet communication at speeds of 10, 100, or 1000 Mbps, providing necessary bandwidth for demanding applications. The controller’s current demand is minimal, drawing 5 mA at a voltage of 1.2 VDC, while at 5.1 VDC, it draws 1.2 mA, promoting overall energy efficiency. Additionally, the power dissipation of the unit is measured at 6.2 watts with a thermal dissipation rate of 21.2 BTU per hour, indicating effective heat management.

Designed for installation in chassis-based settings, the 1756-L908TS controller is rated under the T4 temperature code, allowing it to operate within a range suitable for most industrial conditions. This module is an essential component for complex control systems requiring high performance and reliability.