The 1756-ESMCAP is a high-performance Enhanced Serial Memory Module engineered for Allen-Bradley ControlLogix redundant control systems. Designed to ensure data integrity and continuous operation, this module stores and synchronizes critical controller data, including tags, programs, and configuration, between the primary and secondary chassis. With its robust non-volatile memory and hot-swappable capability, the 1756-ESMCAP is essential for mission-critical applications in industries such as oil and gas, power generation, and manufacturing, where system uptime is paramount. Each unit is factory-tested to meet Rockwell Automation’s stringent specifications, guaranteeing reliable performance in harsh industrial environments.
| Parameter |
Specification |
| Product Type |
Enhanced Serial Memory Module |
| Compatible Chassis |
Allen-Bradley ControlLogix (1756 Series) |
| Memory Capacity |
64 MB (non-volatile) |
| Memory Type |
Flash / SRAM |
| Redundancy Support |
Yes (primary/secondary synchronization) |
| Hot-Swappable |
Yes |
| Communication Interface |
Serial (RS-232/RS-485) via backplane |
| LED Indicators |
Status, Active, Fault |
| Power Consumption |
1.5 W typical (from chassis backplane) |
| Operating Temperature |
0°C to +60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to +85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Dimensions (H x W x D) |
4.5 x 1.5 x 6.5 inches (114 x 38 x 165 mm) |
| Weight |
0.5 lbs (0.23 kg) |
| Certifications |
UL, cUL, CE, ATEX (Zone 2), IECEx |
| Firmware Compatibility |
ControlLogix firmware v20 and above |
| MTBF (Mean Time Between Failures) |
1,500,000 hours (estimated) |
| Warranty |
Standard 1-year manufacturer warranty |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22