Honeywell 51402199-100 Enclosure w/ Circuit Boards
Honeywell 51402199-100 Enclosure Circuit Boards
The Honeywell 51402199-100, also cataloged as the 51402199-100 enclosure assembly, operates as a dedicated hardware housing for multiple circuit boards within Honeywell Distributed Control Systems (DCS).
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51402199-100 |
| Brand | Honeywell |
| Origin | Honeywell DCS |
| Weight | 10 lbs (approx. 4.5 kg) full enclosure; ~1.2 kg internal boards |
| Dimensions | 7" H × 17" W × 20" L (internal board profile 36.6 cm × 36.3 cm × 1.5 cm) |
| Operating Temp | -40 deg C to +70 deg C (-40 deg F to +158 deg F) |
| Power Consumption | 24 VDC nominal input |
| Integrated Circuit Boards | Supports up to 5 peripheral/control cards |
| Pre-configured Modules | 51401052-100 Smart Peripheral Board, 51196653-100 Control Module Board, 51400646-100 Dual Fan Board |
| Humidity Range | 5% to 95% RH non-condensing |
| System Integration | Interfaces with Honeywell legacy DCS buses |
| Application | Centralized rack sensor integration and ruggedized housing |
4-20 mA HART Loop Protocol
The enclosure and its circuit boards are designed to support 4-20 mA HART loop protocol devices, enabling analog signal transmission with embedded digital diagnostics. Channel-to-channel isolation is maintained across peripheral boards, ensuring deterministic communication and minimizing interference within Honeywell DCS environments.
Frequently Asked Questions
Q: Can the enclosure be populated with mixed board types? A: Yes, it supports up to 5 slots and can host different Honeywell peripheral/control boards simultaneously.
Q: Is hot-swap insertion supported for the circuit boards? A: No, boards must be installed or removed during controlled shutdown to maintain backplane stability.
Q: How is redundancy achieved in fan modules? A: The dual fan circuit board provides parallel fan operation; failure detection is handled at the subsystem level.
Field Installation Guidelines
- Mount enclosure on stable rack structures; ensure vibration isolation.
- Maintain grounding continuity for shielding layers to reduce EMI.
- Route coaxial and analog wiring separately from high-voltage conductors.
- Observe humidity limits; avoid condensation inside enclosure.
- Verify environmental conditions remain within -40 deg C to +70 deg C during operation.
- Secure all board slots and connectors to prevent mechanical loosening under thermal cycling.
Honeywell 51402199-100 Enclosure w/ Circuit Boards
