Allen-Bradley 1756-ESMCAP ControlLogix Energy Storage Module
$123.00
$320.00
Description
Allen-Bradley 1756-ESMCAP ControlLogix Energy Storage Module
The Allen-Bradley 1756-ESMCAP, also cataloged as the 1756-ESMCAP Energy Storage Module, serves as a dedicated capacitor energy buffering component for ControlLogix 1756-L7x controller power retention within ControlLogix backplane systems.
Configured for transient energy storage and voltage hold-up stabilization in ControlLogix chassis operation, the Allen-Bradley 1756-ESMCAP (1756-ESMCAP Energy Storage Module) provides direct electrical buffering on the 5.1 VDC backplane rail, maintaining controller memory integrity during short power interruptions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-ESMCAP |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.15 lbs |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 330 mA @ 5.1 VDC |
| Module Type | Capacitor-based Energy Storage Module |
| Power Dissipation | 13.3 W |
| Chassis Position | Any slot (ControlLogix 1756 chassis) |
| Enclosure | Open-style |
ControlLogix Backplane Energy Buffering Behavior
Within the Allen-Bradley ControlLogix architecture, the 1756-ESMCAP interfaces directly with the backplane bus power distribution layer, stabilizing transient dips on the 5.1 VDC logic rail. The capacitor-based storage element supports short-duration hold-up energy delivery during power fluctuation events affecting controller logic execution.
The module participates in backplane power conditioning rather than deterministic I/O execution, maintaining energy continuity for 1756-L7x controller memory and scan cycle integrity during micro-interruptions. It does not participate in EtherNet/IP or CIP data structures but remains electrically integrated into chassis power sequencing logic.
Frequently Asked Questions (FAQ)
Q: Does the 1756-ESMCAP support hot-swap installation?
A: It is installed within the ControlLogix chassis, but removal under load depends on system power state and controller configuration rules.
Q: What happens if backplane current exceeds 330 mA design load?
A: Excess load conditions may reduce capacitor charge stability and shorten hold-up time during power loss events.
Q: Is the module firmware-based or software configurable?
A: No firmware or configuration parameters exist; operation is purely capacitor-based energy storage.
Field Installation Guidelines
Install the module into any available slot of a compatible ControlLogix chassis with system power removed to avoid backplane voltage transients during insertion.
Ensure proper seating into the 1756 backplane connector to maintain stable 5.1 VDC rail contact. Avoid mechanical stress on the module edge connector during installation.
Maintain enclosure airflow paths within the 0 to 60 deg C operating range. Do not install in contaminated or conductive dust environments without proper cabinet filtration.
Backplane grounding must be continuous across all chassis segments to prevent energy storage discharge irregularities during power cycling events.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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