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1756-ESMNSE
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Other Available Revisions for the 1756-ESMNSE 1756-ESMNSE//A
Common misspellings:
- l756-ESMNSE
- 1756ESMNSE
The 1756-ESMNSE ControlLogix XT is an energy storage module manufactured by Allen-Bradley. The energy storage module is a removable device which is used as a non-residual WallClockTime power backup module. The module can be used specifically in 1756 programmable controllers such as the 1756-L73 that has an 8 MB memory size. Alternatively, operators can use the energy storage module with controllers that have a smaller memory size. The basic purpose of the 1756-ESMNSE is to provide support while the power is switched off and the WallClockTime of the programmable controller is being maintained. The operating temperature of the 1756-ESMNSE is 0 to 60 degrees Celsius, while its non-operating temperature is -40 to 85 degrees Celsius. The module has 30 G of operating shock and 50 G of non-operating shock. Its electrostatic discharge immunity is 6 kV of contact discharge and 8 kV of air discharge. The Allen-Bradley 1756-ESMNSE is meant for applications that require a very small amount of residual energy depletion. The residual energy depletion of this particular module is up to 40 micro joules before being transferred into or out of the application.
The Allen-Bradley 1756-EMNSE module is industrial grade equipment certified by the Underwriters Laboratories for US and Canada. The module has been listed for Class I, Division 2 applications which means the devices that can be installed in hazardous locations. This module can withstand extreme conditions. The module draws 300 mA of current at 5.1 Volts DC. The residual energy depletion takes up to 20 minutes to get to the 40 micro-joules mark so that users can remove the module. Or users can wait for the energy storage module to finish charging before removing it safely from the controller. If users remove it without verifying that the module is fully charged, it may result in the loss of the stored programs. To remove the module, first check the status display and remove the module when CHRG is no longer indicated. If you are removing the energy storage module from a powered controller, press down the black release with and pull away the module. Do not remove the module immediately, if the power to the controller has already been turned off. Instead, wait for the controller status to go from OK to OFF, otherwise, pulling away the module may cause the loss of the application program.
