Description
The Pepperl+Fuchs HID2038 (121484) is a high-precision, isolated Analog Output Driver designed for use in hazardous areas. As part of the H-System series, it provides a safe, galvanic isolation barrier between the control system (DCS/PLC) and field instrumentation, such as I/P converters, control valves, or displays located in explosive atmospheres. Its “smart” capability allows for bidirectional HART communication, enabling configuration and diagnostic monitoring of field devices through the same pair of wires used for the 4-20 mA control signal.

⚙️ Technical Specifications
- Module Type: Isolated Analog Output Driver (HART Compatible)
- Part Number: 121484
- Channels: 2 independent channels
- Input Signal: 4-20 mA (from control system)
- Output Signal: 4-20 mA (to field device)
- HART Communication: Bidirectional transmission (compliant with HART 7.0)
- Isolation: Galvanic isolation between input, output, and power supply
- Safety Integrity: SIL 2 (Safety Integrity Level) rated
- Environment: Designed for installation in Class I, Div 2 / Zone 2 environments (when mounted correctly)
- Mounting: Designed for standard H-System termination boards
📋 Recommended Pepperl+Fuchs H-System & Accessories
- HiC-System Termination Boards: Essential for mounting and wiring the HID2038 modules.
- HiC2000 Series Modules: Compatible isolated barriers for inputs and outputs.
- HART Communication Multiplexer: Used to bridge HART data from the module to an asset management system.
- Fieldbus Interface Modules: For integration with fieldbus-based control architectures.
- Power Feed Modules: Used to provide and monitor the auxiliary power for H-System racks.
- Fault Indication Boards: Used to aggregate and signal module status/faults to the DCS.
- Shielded Signal Cabling: Recommended for minimizing interference in HART transmission.
- DIN-Rail Mounting Kits: For flexible installation in control cabinets.
- Module Removal Tools: Specialized tools for safe maintenance in high-density rack setups.
- Pepperl+Fuchs PACTware Software: Essential for configuring and commissioning HART-enabled devices.

