The HIMA F6214 is a safety-related, 4-fold analog input module designed for high-integrity industrial automation. It is part of the HIQuad (H41q/H51q) system family and is certified for use in safety-critical applications requiring compliance with SIL 3 (IEC 61508) or Requirement Class AK 1–6. This module is a legacy staple in the process industry, known for its ability to handle both current and voltage signals with high galvanic isolation.
For technical documentation, availability, or certified refurbished units, please visit our HIMA F6214 contact page.
Technical Description and Parameters
The F6214 is designed to interface with transmitters in two-wire techniques. It converts physical analog signals into 12-bit digital values for the safety controller to process.
- Module Type: 4-Channel Analog Input Module (Safety-Related)
- System Family: HIQuad (H41q, H51q)
- Input Signals (Current): 0…20 mA or 4…20 mA
- Input Signals (Voltage): 0…1 V, 0…5 V, or 0…10 V
- Resolution: 12 bits (Digital value 3840 = 1 V)
- Safety Integrity: SIL 3 / Requirement Class AK 1…6
- Scan Time: Maximum 100 ms for all 4 channels
- Input Resistance: 1 MΩ (voltage inputs) / 50 Ω (current inputs via external shunt)
Product Datasheet Specifications
- Part Number: 984621402 (Standard F 6214)
- Space Requirement: 4 TE (Width units)
- Weight: 0.15 kg to 1.2 kg (Depending on assembly/chassis)
- Power Requirements:
- 5V DC: 150 mA
- 24V DC: 250 mA
- Operating Temperature: 0°C to +60°C
- Electric Strength: 250 V against Ground (GND)
- Isolation: Safety-related isolation between field and logic circuits
Application Fields
The F6214 is found in various high-stakes process control environments:
- Chemical & Petrochemical: Monitoring critical pressure, temperature, and flow transmitters.
- Burner Management Systems (BMS): Safe monitoring of fuel and air ratios.
- Emergency Shutdown (ESD): Acting as a reliable input for trip-initiation sensors.
- Nuclear & Power: High-integrity monitoring of auxiliary system parameters.
Product Instructions for Use
- Mounting: Install the F6214 into a compatible HIMA subrack. Ensure the mechanical coding (pins) matches the slot to prevent incorrect insertion.
- Field Wiring: For current inputs (4-20 mA), external 50 Ω shunts (Part No. 00 0710500) must be installed. Connect transmitters using the +IN, -IN, and COM terminals.
- Redundancy: For higher availability, two F6214 modules can be used in a redundant configuration. In this setup, the inputs are typically wired in parallel using specialized cable connectors (Z 7127).
- Terminating Unused Channels: Unused channels should be terminated with a 3.3 kΩ resistor to prevent “floating” inputs from triggering internal diagnostics or alarms.
Q&A: Frequently Asked Questions
Q: Is the F6214 compatible with the newer HIMax or HIQuad X systems? A: The F6214 belongs to the legacy HIQuad line. While the newer HIQuad X supports many legacy I/Os, you should verify the specific backplate and software (SILworX vs. ELOP II) compatibility with your local HIMA representative.
Q: Can I use this module for HART protocol signals? A: The F6214 is a standard analog module and does not natively support HART digital communication. If HART data is required, a dedicated HART-capable HIMA module or external multiplexer must be used.
Q: What happens if the module detects an internal fault? A: As a SIL 3 rated device, the F6214 features extensive self-diagnostics. If an internal fault is detected, the module will drive its digital outputs to a “fail-safe” state (typically zero) and signal a fault to the central CPU.
Related Product News
As HIMA transitions toward its Smart Safety Platform, the F6214 remains in a “passive” or “legacy” support phase. However, because of the massive global installed base, certified spare parts are still heavily traded for plant life-extension projects. In 2026, many operators are utilizing logic-conversion tools to migrate their F6214-based configurations from ELOP II to the modern SILworX environment, allowing them to retain their reliable field wiring and I/O while upgrading their central controllers to the latest HIQuad X or HIMax processors. This strategy significantly reduces modernization costs while maintaining the high safety standards required in hazardous processing zones.
