Honeywell CC-SCMB03 Memory Backup Assembly

Core Functionality and System Role

The Honeywell CC-SCMB03 memory backup assembly protects critical controller data for the Experion PKS C300 system . This module provides backup battery power to the C300 controller’s RAM, which preserves configuration files and real-time process data during power interruptions . It supports one to four C300 controllers per assembly, which matches the capability of Series C configurations . Furthermore, the assembly includes a battery mounting panel that enables secure installation inside the cabinet.

Technical Specifications

The following table details the core technical parameters for the Honeywell CC-SCMB03:

Parameter	Specification
Model Number	CC-SCMB03
Product Type	C300 Memory Backup Assembly
Compatible System	Experion PKS, C300 Controller
Battery Chemistry	Lithium (Li-SOCl₂)
Nominal Battery Voltage	3.6 VDC (internal)
Battery Life	5 to 7 years (typical)
Operating Temperature	-40°C to +85°C
Storage Temperature	-55°C to +90°C
Humidity Range	0% to 95% RH (non-condensing)
Dimensions (H × W × D)	102 × 51 × 25 mm
Weight	0.2 kg
Product Origin	USA
Certifications	CE, UL, CSA, RoHS

Design and Installation Features

The Honeywell CC-SCMB03 features a compact board design that mounts directly inside the cabinet . The mounting panel secures the assembly and simplifies installation . The assembly uses non-volatile fault handling, which stores critical errors like watchdog timeouts in memory even after a reset attempt . This safety mechanism prevents the module from automatically resuming operation in a compromised state. The front-panel LED provides immediate visual feedback, with a red LED typically indicating a latched hardware or firmware fault .

System Compatibility and Use Cases

The Honeywell CC-SCMB03 integrates seamlessly with all C300 controllers in Experion PKS systems . It serves as an essential component for mission-critical process control in oil and gas, chemical processing, and power generation industries . Users should follow recommended battery replacement intervals of 5 to 7 years to ensure continuous protection .