Honeywell 51199932-200 C300 RAM Charger Assembly
The Honeywell 51199932-200, also cataloged as the 51199932-200 RAM Charger Assembly, operates as a dedicated hardware component for C300 controller memory backup within Honeywell Experion PKS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51199932-200 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.25 kg |
| Dimensions | Standard C300 Assembly Form Factor |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 24 VDC nominal supply draw |
| Supply Voltage | 24 VDC |
| Secondary Output | Dedicated RAM trickle-charge rail |
| System Compatibility | Honeywell Experion PKS C300 Controller |
4-20 mA HART Loop Protocol and Channel Isolation
The RAM charger assembly maintains non-volatile memory retention across C300 processor modules while operating within Experion PKS control cabinets alongside 4-20 mA HART loop protocol I/O subsystems. Galvanic isolation circuits shield the internal RAM power bus from field power transients and supply-side voltage surges. Thermal dissipation channels prevent localized heat accumulation, maintainingCJ-level thermal stability across adjacent control and communication modules in the rack.
Frequently Asked Questions
Q: What primary function does the 51199932-200 assembly perform in the controller rack?
A: The module supplies regulated trickle-charge power to non-volatile RAM storage, preserving control logic configurations and runtime memory during main power interruptions.
Q: What operating voltage feeds the RAM charger assembly?
A: The assembly connects to a standard 24 VDC system power bus.
Q: Can the unit be replaced while adjacent I/O modules remain active?
A: Module replacement must strictly follow Honeywell Experion PKS maintenance procedures, ensuring system ground continuity and static safety protocols are maintained.
Field Installation Guidelines
Slide the charger assembly into its designated C300 chassis slot until the retaining latches click securely into place. Grounding straps must connect directly to the main cabinet earth bar to dissipate static charge buildup. Verify that 24 VDC input wiring retains proper polarity and overcurrent protection before energizing the system.
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