Product Description
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 1756-ESMCAPK |
| Product Name | ControlLogix Energy Storage Module, Capacitor-Based, Conformal Coated |
| Application | Backup power for ControlLogix L7 and GuardLogix L7 controllers in harsh environments |
| Compatibility | Compatible with 1756-L7x, 1756-L7xS controllers |
| Function | Provides power for saving programs to Nonvolatile Storage (NVS) memory during power loss |
Functional Specifications
| Parameter | Details |
|---|---|
| Module Type | Energy Storage Module (ESM), capacitor-based |
| Current Draw | 330 mA @ 5.1 V DC |
| Power Dissipation | 13.3 W maximum |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5% to 95% (non-condensing) |
| Vibration Tolerance | 2 G @ 10–500 Hz |
| Shock Tolerance | 30 G (operating), 50 G (non-operating) |
| Dimensions | 145 mm x 35 mm x 140 mm (5.71 in x 1.38 in x 5.51 in) |
| Weight | 0.6 kg (1.32 lb) |
| Standards Compliance | CE, UL, CSA (Class I, Div 2, Groups A, B, C, D), FM, RCM |
| Certifications | TUV certified for functional safety (SIL 2) |
Additional Features
| Parameter | Details |
|---|---|
| Embedded Real-Time Clock | Updates controller time during power loss |
| Enclosure Type | Open-style |
| Location | Chassis (any slot) |
| Slot Width | 1 |
| Installation | Non-removable once installed; must complete charging before power removal to avoid program loss |
| Conformal Coating | Provides protection for harsh, corrosive environments |
| Software Compatibility | RSLogix 5000 (v8.02.00 or later), Studio 5000, RSLinx (updated EDS file may be required) |
| Status Indicators | ESM Charging and CHRG indicators |
| Maintenance | Low maintenance, no regular replacement needed unlike batteries |
| Lifecycle Status | Active |