1762SC-IF8U

Overview

1762SC-IF8U is an Allen-Bradley 8-channel universal analog input module for MicroLogix systems.

Identity

• Model: 1762SC-IF8U

• System Location: MicroLogix 1100 / 1200 / 1400

• Channels: 8 universal inputs

Supported Signals

• Thermocouple Types: J, K, T, B, E, R, S, N, C

• RTD Types: PT385/3916, Ni618/672, NiFe518, Cu426

• Resistance Ranges: 0–150 Ω, 0–1000 Ω, 0–3000 Ω

• Current Ranges: 0–20 mA, 4–20 mA

• Voltage Ranges: ±50 mV, ±100 mV, 0–5 V, 1–5 V, 0–10 V, ±10 V

Performance

• Resolution: 16 bits

• Update Times (8 channels enabled):

  • 20 ms @ 470 Hz

  • 45 ms @ 62 Hz

  • 135 ms @ 17 Hz

  • 495 ms @ 4 Hz

• Data Formats: Raw/Proportional Count, Engineering Units ×1, Engineering Units ×10, Scaled for PID

Signal Conditioning

• Filter Frequencies: 4 selectable per channel

• Error Checking: On-board diagnostics

• Open Circuit Detection: Supported for most input types

Electrical Protection

• Isolation: 10 V DC channel-to-channel; 707 V DC channel-to-backplane (1 min)

• Input Impedance: <250 Ω (current)

• Overvoltage Protection: 28 V DC continuous

• Overcurrent Protection: 28 mA continuous

• Common Mode Rejection: 100 dB @ 50/60 Hz

• Normal Mode Rejection:

  • 4 Hz filter: ≥74 dB @ 50/60 Hz

  • 17 Hz filter: ≥65 dB @ 50/60 Hz

  • 62 Hz filter: notch @ 31 Hz, ~30 dB

  • 470 Hz filter: notch @ 237 Hz, ~35 dB

Power & Thermal

• Backplane Current: 175 mA @ 5 V DC max; 5 mA @ 24 V DC max

• Thermal Dissipation: 1.4 W max

Environmental Ratings

• Operating Temperature: -20…60 °C (-4…140 °F)

• Storage Temperature: -40…85 °C (-40…185 °F)

• Humidity: 5–95% non-condensing

Compliance

• Certifications: UL/cUL (Class 1, Div 2, Groups A–D), CE

Physical Data

• Weight: 0.17 kg (0.38 lbs)

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