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Allen-Bradley 1756-ESMCAPK ControlLogix Energy Storage Module – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 1756-ESMCAPK |
| Product Series | ControlLogix 1756 |
| Product Type | Capacitor Energy Storage Module (ESM) |
| Product Description | Conformally Coated Energy Storage Module |
| Application | ControlLogix 5570 and GuardLogix 5570 controllers |
| Compatible Controller Family | 1756-L7 and 1756-L7S |
| Energy Storage Technology | Capacitor-based |
| Battery Required | No |
| Installation | Removable module, normally supplied installed with the controller |
| Backplane Voltage | 5.1 VDC |
| Current Draw at 5.1 VDC | 330 mA |
| Power Dissipation | Approximately 1.683 W |
| Thermal Dissipation | Approximately 5.74 BTU/hr |
| Slot Width | 1 slot |
| Module Location | Controller-mounted |
| Operating Temperature | 0–60°C |
| Storage Temperature | -40 to +85°C |
| Relative Humidity | 5–95%, non-condensing |
| Operating Shock | 30 g |
| Non-operating Shock | 50 g |
| Vibration | 2 g at 10–500 Hz |
| Enclosure Type | Open-style |
| Dimensions | 100 × 25 × 80 mm |
| Approx. Weight | 0.1 kg |
| Country of Origin | United States (Rockwell listing; manufacturing location may vary) |
| Lifecycle Status | Active Mature |
FAQ
FAQ
Q1: What is the Allen-Bradley 1756-ESMCAPK?
A: It is a conformally coated capacitor-based energy storage module designed for ControlLogix and GuardLogix 5570 controllers.
Q2: What is the main function of this module?
A: It stores electrical energy to support controller functions during power interruptions, including maintaining the controller’s WallClockTime.
Q3: Does the 1756-ESMCAPK contain a battery?
A: No. It uses capacitor-based energy storage rather than a conventional rechargeable battery.
Q4: Which controllers are compatible with this module?
A: It is designed for ControlLogix 5570 and GuardLogix 5570 controller families, including compatible 1756-L7 and 1756-L7S models.
Q5: What is the difference between 1756-ESMCAP and 1756-ESMCAPK?
A: The 1756-ESMCAPK is the conformally coated version, providing additional protection against environmental contaminants. The 1756-ESMCAP is the standard version.
Q6: What is its power consumption?
A: It draws approximately 330 mA from the 5.1 VDC backplane and has a power dissipation of approximately 1.683 W.
Q7: What are the operating temperature requirements?
A: It operates within a temperature range of 0–60°C, with a relative humidity range of 5–95%, non-condensing.
Q8: Is the 1756-ESMCAPK still available?
A: Rockwell Automation lists this model as Active Mature. Availability should be confirmed with the manufacturer or an authorized distributor.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
