FAQ for 1756-ESMCAPK
The Allen-Bradley 1756-ESMCAPK is a capacitor energy storage module that can be removed. The 1756-ESMCAPK is also installed in several controllers in other Allen-Bradley products. The products that support this module are the 1756-L71S, 1756-L72S, and the 1756-L73S. This module has been given in a conformal-coating for environmental protection. This module gives the controller the power to save the program to onboard nonvolatile storage memory (NVS) onboard. After that, the power will be removed from the chassis or controller. Please make sure, when you use ESM to store the program into NVS onboard memory, you do not save the program to the SD card installed in the controller.
The weight of this module is around 1.361 kg. The operating temperature of the 1756-ESMCAPK is 0-60 °C (32-140 °F). The nonoperating temperature of the 1756-ESMCAPK is -40-85 °C (-40-185 °F). The maximum surrounding air temperature is 60 °C (140 °F). The relative humidity of this module is from 5-95% without condensation. The Allen-Bradley 1756-ESMCAPK has an operating shock of 30 g (3 pulses, 11 ms). The nonoperating shock of this energy storage module is 50 g (3 pulses, 11 ms). The operating vibration of this module is 2 g at 10-500 Hz. The 1756-ESMCAPK also follows some Electromagnetic Compatibility (EMC) standards. The Allen-Bradley 1756-ESMCAPK has passed EN 50081-2 EMC - Generic Emission Standard, Part 2 - Industrial Environment. This module has passed EN 50082-2 EMC – Generic Immunity Standard, Part 2 - Industrial Environment.
Revisions for 1756-ESMCAPK
Please refer to the manual for more information about the 1756-ESMCAPK such as the wiring diagrams, data sheets,
firmware information and migration or obsolescence details.
|Revision Part #
||Also Known as
||1756-ESMCAPK/A, Series A, Rev A