The ABB/Hartmann & Braun V17153-21 is an isolating driver module within the Contrans I interface family, delivering galvanic isolation and signal conditioning for 4–20 mA loops in industrial process control and automation systems. The module provides 1:1 signal transformation with multipoint isolation architecture, protecting field devices and control systems from ground loops and transient disturbances while maintaining signal integrity across distributed I/O networks.
Technical Specifications
Signal Processing
• Input/Output: (0)4–20 mA, 1:1 transformation ratio
• Load capacity: 0–750 Ω
• Voltage drop: 23.6 mA (maximum 40 mA)
• Response time: < 50 ms
Isolation Performance
• Input–Output isolation: 2.3 kV
• Channel-to-channel isolation: 500 V
• Input–Output/Power Supply isolation: 2.3 kV
Power Supply
• Rated voltage: 24 V DC ± 10% (19.2–30 V DC range)
• Power consumption: 1.05 W
• Integrated fuse: T 0.25 A
Environmental
• Operating temperature: −20 to +60 °C
• Module weight: 90 g
• Linearity deviation: < 0.1 %
• Temperature coefficient: < 0.1 %/10 K
• Impedance effect: < 0.18 %
– Key Features
• HART-compatible current loop interface
• FSK Bus capable for advanced field communications
• Test jacks for in-situ mA signal measurement
• Dual-channel isolation architecture
• 37-pin SUB D connector for system integration
• DIN rail mountable via standard sockets and backplanes
• Compact module size 2 form factor
– Typical Applications
Signal isolation in multi-loop process control, HART instrumentation networks, analog I/O conditioning in distributed control systems, and ground-loop mitigation in extended fieldbus installations.
– Compatibility & Integration
Designed for Contrans I modular backplane systems supporting 8 or 16 plug-in function modules. Connects directly to DCS input/output units via multi-core system cables with pluggable connectors. Accepts centralized power supply input with optional redundant power configurations.
