The Allen-Bradley 1756-ESMCAP is a capacitor-based energy storage module designed for the ControlLogix L7 and GuardLogix L7 controllers, eliminating the need for traditional batteries. This module efficiently saves programs to Nonvolatile Storage (NVS) during power loss and features an embedded real-time clock to maintain accurate controller timekeeping. With a power dissipation of 13.3 watts and a current draw of 330 mA at 5.1V DC, it is designed for installation in any ControlLogix system chassis slot and operates optimally in environments that adhere to Overvoltage Category II standards, withstanding an operating temperature range of 0 to 60 degrees Celsius and a shock capacity of 30g.
