ABB / Hartmann and Braun V17153-21 Isolating Driver Module

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

• 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.