1756SC-IF8U

Description

Allen-Bradley 1756SC-IF8U is an 8-channel universal analog input module for ControlLogix systems. It supports voltage, current, resistance, RTD, and thermocouple signals for versatile industrial input applications.

General Information

• Product type: Analog Input Module

• Slot width: Single slot

• Channels: 8 universal analog inputs

• Input types: Voltage, current, RTD, thermocouple, resistance

Supported Signal Types

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

• Current: 0–20 mA, 4–20 mA

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

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

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

Signal Processing

• Resolution: 16 to 21 bits depending on filter

• Update rates: 10 Hz, 50 Hz, 60 Hz, 250 Hz, 1000 Hz

• Sample times: 0.99 ms to 0.04 ms

• Per-channel filtering: 5 selectable filters

Electrical Specifications

• Input impedance: <250 Ω

• Overvoltage protection: Max 14.5 VDC

• Overcurrent protection: 28 mA continuous, 40 mA pulse (1 ms, 10% duty)

• Isolation: 12.5 VDC channel-to-channel

• Backplane power: 230 mA @ 5 VDC

• Common mode rejection: 96 dB at 50/60 Hz

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