ABB VBX01TA
ABB VBX01TA Overview
Item |
Description |
Product Positioning |
Profibus DP Bus Extender, used to extend the bus length of Profibus DP networks and increase the number of slave devices, thereby improving network reliability and stability. |
Housing Material |
Plastic enclosure (lighter than the metal-housed VBX01BA, suitable for environments with lower protection requirements). |
Main Functions |
1. Extend bus length: Expands the coverage area of Profibus DP networks. 2. Increase slave devices: Supports more field device connections. 3. Enhance network stability: Reduces signal attenuation and error rates, improving overall system availability. |
Technical Specifications |
- Input voltage: 24 V DC - Output voltage: 0-10 V DC (analog signal) - Operating temperature: -40 °C to +85 °C - Dimensions: 100 mm × 50 mm × 25 mm - Communication interface: Modbus RTU (DIN-rail mounted) - Protection rating: IP20 |
Applicable Industries |
- Process automation in petrochemicals, metallurgy, papermaking, food & beverage - Power, energy, and DCS (Distributed Control System) environments |
Difference vs. VBX01BA |
- Housing: VBX01TA uses plastic; VBX01BA uses metal. - Application scenarios: VBX01TA is more suitable for sites where weight and cost are key concerns, and protection requirements are relatively moderate. - Core functionality is the same: both are used for Profibus DP bus extension. |
Common Associated Components |
VBX01BA, VBX01T-VBX01B, PNI800, CP800, etc., which can be combined within ABB DCS systems. |

Summary
The ABB VBX01TA is a plastic-housed bus extender designed for Profibus DP networks. It effectively extends bus length, increases the number of slave devices, and improves network reliability. With its specifications—24 V DC input, 0-10 V DC analog output, wide temperature range, and DIN-rail installation—it is suitable for a variety of industrial automation applications.
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