TC-FIAH81 8-Channel Analog Input | Honeywell

Honeywell TC-FIAH81 High Level Analog Input Module

• Input configurations: 4-20mA or 0-20mA current, and ±10V or 0-10V voltage per channel.
• Resolution: 12 bits unipolar voltage, 11 bits plus sign bipolar, with 2.56mV/cnt and 5.13µA/cnt precision.
• Conversion rate: 256µs for all eight channels using successive approximation method.
• Data format: left justified 16-bit 2's complement for easy integration.

Input Characteristics & Accuracy

• Voltage input impedance: 100kΩ (input resistance 200kΩ) for minimal signal loading.
• Current input impedance: 238Ω (input resistance 238Ω) for 4-20mA loops.
• Absolute accuracy: 0.20 % full scale at 25°C including offset, gain, non-linearity, and repeatability.
• Accuracy drift: 0.00428 %/°C for voltage, 0.00407 %/°C for current terminals.

Signal Rejection & Response

• Normal mode rejection (voltage): -3dB @ 17Hz, -10dB @ 50Hz, -11.4dB @ 60Hz.
• Normal mode rejection (current): -3dB @ 9Hz, -15.3dB @ 50Hz, -16.8dB @ 60Hz.
• Step response to 63%: 9.4ms for voltage, 18.2ms for current terminals.
• Maximum overload: 30V or 32mA continuous on one channel at a time.

Isolation & Power Specifications

• Isolation voltage: tested at 850V dc for 1 second between user and system.
• No isolation between channels: all inputs share a common reference.
• Flexbus current: 20mA @ 5V dc; power dissipation 3W maximum.
• Thermal dissipation: 10.2 BTU/hr maximum at 31.2V dc.

Mechanical & Environmental Ratings

• Dimensions: 46 x 94 x 53 mm (1.8 x 3.7 x 2.1 inches), keyswitch position 3.
• Operational temperature: 0 to 55°C (32 to 131°F) for reliable performance.
• Storage temperature: -40 to 85°C (-40 to 185°F) for long-term preservation.
• Shock tolerance: 30g operating, 50g non-operating with 11ms pulse width.

Installation & Agency Approvals

• Wire size: accepts 12 gauge (4mm²) stranded wire with 1.2mm insulation maximum.
• Vibration tested: 5g @ 10-500Hz per IEC 68-2-6 for industrial environments.
• Agency certification: Class I Division 2, Class I Zone 2 Group IIC, and Groups A, B, C, D certified.
• Indicators: one green power LED confirms module operation status.

Shipping & Package Information

• Delivery: we dispatch within 5 working days via FedEx, UPS, or DHL.
• Package includes: one Honeywell TC-FIAH81 module with terminal base and mounting hardware.
• Calibration: none required – factory calibrated for immediate use.
• Stock status: we maintain ready inventory for quick shipment.

Frequently Asked Questions (FAQ)

• Is this module brand new and original? – Yes, we supply 100 % new and original Honeywell TC-FIAH81 units.
• What is the conversion speed for all channels? – The module converts all eight channels in just 256µs.
• Can I configure each channel independently? – Yes, you can set each input for current or voltage per your needs.
• What is the maximum input overload? – The module handles 30V or 32mA continuous on one channel.
• Do you have stock for TC-FIAH81? – Yes, we have ample stock for immediate dispatch.

Contact Information
For inquiries, please email sales@nex-auto.com or call +86 153 9242 9628 (WhatsApp).
Partner: NexAuto Technology Limited