Product Details
Product Description
The Allen-Bradley 1756-ESMCAP is a capacitor-based energy storage module designed for ControlLogix systems. It is installed by default in 1756-L7x controllers and provides backup energy to maintain controller operation during short-term power interruptions. Built to meet IEC, ATEX, and North American standards, it ensures reliable performance under demanding industrial conditions.
Technical Specifications
-
Manufacturer Allen-Bradley
-
Product Line ControlLogix
-
Product Type Energy Storage Module (Capacitor-based)
-
Part Number 1756-ESMCAP
-
Current Draw @ 5.1 VDC 330 mA
-
Temperature Codes
-
North America: T4A
-
ATEX: T4
-
IECEx: T4
-
Enclosure Rating Open-style (no enclosure)
-
Maximum Ambient Temperature 60 °C (140 °F)
-
Relative Humidity 5–95% non-condensing (IEC 60068-2-30)
-
Vibration Resistance 2 g @ 10–500 Hz (IEC 60068-2-6)
-
Shock Resistance
-
Operating: 30 g (IEC 60068-2-27)
-
Non-operating: 50 g (IEC 60068-2-27)
-
Electromagnetic Emissions IEC 61000-6-4 compliant
-
ESD Immunity IEC 61000-4-2 (6 kV contact, 8 kV air discharges)
-
Shipping Weight 2 kg
Application Scenarios
-
Provides backup energy for ControlLogix controllers during brief power losses
-
Ensures data integrity and system reliability in industrial automation environments
-
Suitable for installations requiring compliance with IEC, ATEX, and hazardous location standards
FAQ
Q: Which controllers include the 1756-ESMCAP by default? A: It is installed in all 1756-L7x ControlLogix controllers.
Q: What type of energy storage does this module use? A: It is capacitor-based, designed for short-term energy backup.
Q: Does the module have an enclosure rating? A: No, it is open-style and intended for installation within a ControlLogix chassis.
Comparison with Similar Models
-
1756-ESMCAP: Capacitor-based energy storage module for L7x controllers.
-
1756-ESMNSE: Non-storage energy module variant.
-
1756-ESMNRM: Rechargeable energy storage module for extended backup.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.