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1756-L1
Rockwell Disclaimer: The product is used surplus. PDF 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 PDF 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, PDF 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. PDF 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. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF 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.
PDF Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with PDF Supply's 1-year, 2-year, or 3-year warranty.
Other Available Revisions for the 1756-L1 1756-L1//A
Common misspellings:
- l756-L1
- 1756-11
- 1756-Ll
- 1756L1
The 1756-L1 is a powerful controller that can support 250 connections. This Allen-Bradley controller weighs about 0.28 kilograms (i.e. 10 ounces) and it comes with a user memory of 64 Kilobytes. The 1756-L1, which belongs to the 1756 series, can communicate across a range of networks, such as the DeviceNet, ControlNet, and DH+ networks. It can also communicate with EtherNet/IP as well as RS-232-C (i.e. DF1/DH-485 protocol) networks. Connecting the module is easy and straightforward. Users can either directly insert it into any slot in the chassis, or install multiple controllers, or install it in any slot in the same chassis. It is important to note that the 1756-L1 does not come with any nonvolatile memory. This module’s peak backplane current is 0.65 Amps at a voltage of 5 Volts DC and 0.02 Amps at 24 Volts DC. Moreover, this Allen-Bradley controller’s average power dissipation is estimated at 3.3 Watts while its average thermal dissipation is 11.3 BTU/hour.
For optimal functionality, the 1756-L1 should be stored at a temperature of between -40 and 85 degrees Celsius. Plus, ensure that this controller operates at a temperature of between 0 and 60 degrees Celsius. The 1756-L1’s non-condensing relative humidity is 5 to 95% while its maximum storage shock is 50 G for 11 milliseconds. In addition, the operating shock of the 1756-L1 is 30 G (peak) for 11 milliseconds. The 1756-L1 is characterized by a vibration of 10 to 500 Hertz operating frequency with a 2.0 G maximum peak acceleration. If the users need to replace the battery of the 1756-L1, they should only use a 0.59 g lithium battery (like the 1756-BA1). The module’s programming cables that are compatible with this module are the 1756-CP3 as well as the 1747-CP3 Category 3 serial cables. It is also important to note that the module comes with an open enclosure type.
