Product Description
Honeywell Q7055C1035, BNA Building Network Adapter (Building Network Adapter), belongs to the Excel 5000 / XL5000 building automation system. The original factory has discontinued it and it is a leftover spare part. As a gateway conversion module, it realizes the conversion between Ethernet and C-Bus fieldbus protocols; the RJ45 Ethernet port connects to the local area network, and the RS-485 C-Bus bus connects to the lower Excel controller, achieving data communication between the upper system and the on-site DDC devices; it has an RS232 debugging port for local configuration and fault diagnosis.
Model Interpretation:
‑ Q7055C: BNA Building Network Adapter series
‑ 1035: Hardware version and channel configuration code
Technical Specifications
| Item | Specification |
|---|---|
| Full Model | Q7055C1035 |
| Product Type | BNA Building Network Adapter (protocol gateway) |
| Platform | Honeywell Excel 5000 / XL5000 BMS system |
| Ethernet | 10/100 Base‑T, RJ45 |
| Field Bus | RS‑485 C‑Bus up to 76.8 kbpsManualsLib |
| Debug Port | RS‑232 serial |
| Power Supply | 18‑24 VAC / 18‑24 VDCManualsLib |
| Power Consumption | max.12 VAManualsLib |
| Mounting | DIN‑rail mount |
| Housing | Industrial plastic enclosure |
| Operating Temperature | 0℃ ~ +50℃ManualsLib |
| Storage Temperature | ‑35℃ ~ +70℃ManualsLib |
| Humidity | 5‑95%RH non‑condensingManualsLib |
| Certification | CE, EMC EN50081‑1, EN50082‑2ManualsLib |
| Weight | Approx.0.38 kg |
| Country of Origin | USA |
Product Application
- BMS for office buildings, hotels and commercial complexes.
- Protocol conversion between Ethernet LAN and C‑Bus field bus for Excel DDC controllers.
- HVAC & smoke‑control system data forwarding.
- Spare‑part replacement for legacy building automation installations.
Related Series Models
‑ Q7055C1017: BNA‑2CS dual C‑/S‑Bus channelManualsLib
‑ Q7055A1022: earlier‑generation BNA adapter
‑ Retrofit alternative: Honeywell WEB‑500 gateway (functional replacement, not form‑fit compatible)
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