1771-IFEK Allen-Bradley PLC5 Analog Input Module 16CH

Allen-Bradley 1771-IFEK Conformal-Coated Analog Input Module for PLC5

Key Technical Specifications

• Brand & Model: Allen-Bradley 1771-IFEK analog input module.
• Input Configuration: 16 single-ended or 8 differential (software‑selectable).
• Input Ranges (Voltage): 0-5V DC, 1-5V DC, ±5V DC, ±10V DC, 0-10V DC.
• Input Ranges (Current): 4-20mA, 0-20mA, ±20mA.
• Resolution & Data Format: 12-bit binary plus sign; natural binary or BCD scaling to ±9999.
• Update Time: 18 ms for 8 channels, 36 ms for 16 channels (without filtering).
• Backplane Current: 750 mA @ 5V DC (draws power from chassis, no external supply needed).
• Protective Coating: Conformal coating guards against humidity, dust, and corrosion.
• Isolation & Filtering: Optoelectrical isolation protects system circuits; digital filtering reduces electrical noise.
• Signal Delays (typical): DC Off 20 ms (±9 ms); AC Off 24 ms (±10 ms).
• Power Dissipation: 2.5 Watts max (8.52 BTU/hr).

Performance & Environmental Features

• Conformal coating provides long-term reliability in harsh industrial environments.
• Real‑time sampling and programmable digital filtering stabilize readings and cancel wiring noise.
• Optoelectrical isolation guards against voltage transients and ground loops.
• Scales data to engineering units for direct process variable display (pressure, level, flow, temperature, etc.).
• User‑configurable fault response ensures predictable behavior if communication is disrupted.

Frequently Asked Questions (FAQ)

• What does the conformal coating on the 1771-IFEK protect against? It protects the module's circuitry from moisture, dust, chemical vapors, and corrosion. This makes the module suitable for installations in humid or dirty environments.
• Can I use this module with both current and voltage sensors on different channels? Yes, you can configure each channel independently for any of the five voltage or three current ranges. This lets you mix transmitter types on a single 1771-IFEK.
• How does the 1771-WG wiring arm simplify maintenance? The wiring arm connects all field wires and remains in the chassis when you remove the module. You can replace the electronic module without disconnecting any wiring, saving time and reducing wiring errors.
• What do the front‑panel LEDs indicate? A steady green RUN light means the module is communicating with the PLC5. A red FAULT light signals a configuration error, loss of communication, or a hardware problem.
• Is an external power supply required for the 1771-IFEK? No, it draws all necessary power (750 mA at 5V) from the backplane of the 1771 I/O chassis.
• What is your typical shipping time for this module? We keep the 1771-IFEK in stock as new original surplus. We ship within 5 days after order confirmation via FedEx, UPS, or DHL.
• Can I return the module if it doesn't meet my needs? Yes, we accept returns within 30 days. The module must be in new, unused condition with its original packaging.

Contact Information Inquiries: sales@nex-auto.com | +86 153 9242 9628

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