Description
1. Unboxing & Physical Snapshot
- Model & Brand: Alerton by Honeywell / VisualLogic BACnet Field Controller (Part No. VLC-550-E)
- Physical Dimensions (Approximate W x H x D): 127.0 mm x 125.0 mm x 36.0 mm (5.0 in x 4.9 in x 1.4 in).
- Estimated Shipping Weight: 0.35 kg (0.77 lbs).
- What’s in the Box: Microprocessor-based BACnet field controller, pluggable screw terminal connectors, integrated secure-boot status LED indicators, mounting baseplate, and factory conformance documentation.
2. Product Introduction
Commercial building automation and advanced HVAC infrastructure demand high-performance field controllers capable of executing complex control sequences with reliable network connectivity. This Alerton VisualLogic controller mounts directly inside mechanical control panels—which is vital for managing terminal equipment, air handling units, and zone temperature loops without relying on central server intervention.
The ruggedized plastic housing protects onboard microprocessors from environmental dust and minor mechanical impacts. Translating real-time sensor data into precise analog and binary control signals, this hardware maintains optimal environmental conditioning across demanding facility spaces.
3. Core Technical Specifications
| Parameter | Value |
| Device Type | BACnet VisualLogic Field Controller |
| Microprocessor Architecture | 32-bit ARM Cortex-M4F, 80 MHz |
| Memory Configuration | Non-volatile flash storage with secure boot protection |
| Input Channels | 5 Universal Inputs (16-bit analog / digital support) |
| Output Channels | 5 Binary Triac Outputs |
| Communication Protocol | BACnet MS/TP or Ethernet communication support |
| Operating Temperature Range | -17 °C to +70 °C (0 °F to +158 °F operational threshold) |
| Enclosure Protection Class | IP20 panel-mounted device classification |
4. Global Compliance & Industry Certifications
- Expected Regulatory Approvals: CE Mark, BTL (BACnet Testing Laboratories) Listed, FCC Part 15 Class B, UL 916 Energy Management Equipment, and RoHS environmental directives.
- Safety & Compliance Impact: Compliance with UL 916 safety standards ensures that internal low-voltage power circuits remain isolated from building mains, protecting facility maintenance personnel from electrical shock hazards.
- Verify specific lot certifications with OEM.
5. Long-Term Storage & Asset Preservation Guide
Keep this controller sealed inside its original anti-static (ESD) shielding bag to protect sensitive internal microprocessors from electrostatic discharge events. Maintain warehouse storage conditions at a relative humidity level strictly below 60% to prevent moisture accumulation on the pluggable terminal block connectors over extended holding cycles. Store the unit flat on shelving racks, avoiding heavy stacking loads that could crack or warp the polymer housing enclosure.
6. Physical Installation Prerequisites
- Verify that panel mounting clearance matches exact dimensional footprints before securing the controller baseplate.
- Torque all screw terminals precisely on the pluggable connectors to prevent loose wiring under continuous mechanical vibration.
- Route low-voltage sensor inputs and communication bus cables completely away from high-voltage variable frequency drive lines to eliminate electromagnetic interference.
7. Buyer’s FAQ (Logistics & Compliance Focus)
- Q: What Harmonized System (HS) code applies for international customs clearance on this Alerton controller?
- A: Industrial and commercial electronic control instruments and automation modules typically classify under HS code 8537.10 (boards, panels, or consoles for electric control). Confirm local code accuracy with your trade compliance broker.
- Q: Does this hardware ship with pre-loaded VisualLogic control programs?
- A: Units typically ship with standard factory baseline firmware and secure boot architecture. System integrators must download custom control strategies via the engineering software suite during commissioning.
- Q: How does the Country of Origin (COO) documentation affect our import compliance audit?
- A: Manufacturing origin records correspond to authorized North American or global production facilities for this series. Check the commercial invoice documentation for precise country details to satisfy trade treaty requirements.
- Q: Is specialized transit insurance recommended during shipment?
- A: Yes. Because electronic controllers contain precision microprocessors and surface-mount components, comprehensive transit insurance guarding against shock damage is strongly advised.
