VESDA VHX-1420 Modbus Type 3 HLI High Level Interface, Wall-Mounted Metal Box
The VESDA VHX-1420 is a Modbus Type 3 High Level Interface in a wall-mounted metal enclosure, with the VESDAnet interface built in. It gives a building management system or fire panel access to the detailed information in VESDA aspirating detectors, acting as a proxy for every device on the network through Modbus register reads and writes.
SKU: VHX-1420
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Product details
The VESDA VHX-1420 is a Modbus Type 3 High Level Interface in a wall-mounted metal enclosure, with the VESDAnet interface built in. It gives a building management system or fire panel access to the detailed information in VESDA aspirating detectors, acting as a proxy for every device on the network through Modbus register reads and writes.
Key features
- Supports up to 100 VESDA detectors on one VESDAnet network
- Reports alarm and fault status, detailed faults, smoke level and alarm thresholds
- Passes reset, disable, silence, alarm test and normalize commands
- Covers VESDA VLP, VLS, VLC, VLF, VLI and VFT-15, plus VESDA-E VEU, VEP, VES and VEA
- Supplied with a VESDAlink RS-232 9-way serial cable
Ordering note
The VHX-0420 is the unenclosed standard version of the same interface and needs a separate VESDAnet socket such as the VRT-300. The earlier Type 1 wall units are the VHX-1400 and VHX-1410.
Specifications
| Model | VHX-1420 |
| Type | Modbus Type 3 High Level Interface, wall-mounted |
| Enclosure | Metal, wall mount |
| Supply | 24 VDC |
| Quiescent current / power | 70 mA / 1.68 W |
| Detectors supported | Up to 100 per VESDAnet network |
| Dimensions | 280 x 185 x 55 mm (approx. 11 x 7.3 x 2.2") |
| Weight | 2 kg (4.4 lb) |
| Included cable | VESDAlink RS-232 9-way |