Overview
The Allen Bradley 1756-ESMCAP/B is an energy storage module designed for the ControlLogix platform. It provides short-term power support during voltage interruptions, helping protect system data and maintain controlled operation continuity. This module enhances system reliability in industrial automation environments where stable memory retention and safe shutdown behavior are required.
General Information
Part Number: 1756-ESMCAP/B
Manufacturer: Allen Bradley
Brand: Allen Bradley
Country of Origin: United States
Series: ControlLogix
Product Type: Energy Storage Module
Technology: Capacitor-based energy storage
Mounting: ControlLogix chassis integration
Application: Memory backup support, power ride-through, system data protection
Power Specifications
Operating Voltage: 24 V DC (system dependent)
Energy Storage Type: Capacitor-based
Backup Function: Short-duration power hold-up for system stability
Charging Method: Automatic charging via ControlLogix backplane
Power Consumption: Low standby consumption during normal operation
Protection Features: Overvoltage protection, thermal monitoring, and fault indication
Communication & Interface
System Interface: ControlLogix backplane communication
Status Monitoring: Module status reporting through LEDs and system diagnostics
Alarm Function: Energy storage health and charge status indication
Integration: Compatible with ControlLogix power and controller architecture
Diagnostics: Charge level monitoring and module health feedback
Environmental
Operating Temperature: 0 to +60 °C
Storage Temperature: -40 to +85 °C
Relative Humidity: 5% to 95% RH, non-condensing
Vibration Resistance: Industrial-grade environment suitability
Shock Resistance: Designed for automation control systems
Protection Rating: Installed inside industrial control enclosures
Dimensions & Weight
Dimensions (H × W × D): 100 × 25 × 80 mm
Weight: 0.1 kg
Reliable Power Backup for Continuous Industrial Operation