1756-IF8H

Product Overview

1756-IF8H is an Allen-Bradley ControlLogix HART analog input module with 8 differential channels.

Input & Signal

• Channels: 8 differential inputs

• Input signals:

• Current: 0–20 mA, 4–20 mA

• Voltage: ±10 V DC, 0–5 V DC, 1–5 V DC, 0–10 V DC

Electrical Specifications

• Backplane current:

• 5.1 V DC: 300 mA

• 24 V DC: 70 mA

• Power dissipation: 3.21–4.01 W

• Thermal dissipation: 13.7 BTU/hr

Performance & Accuracy

• Resolution: 16–21 bits

• Accuracy:

• Voltage: 0.1% of range

• Current: 0.3% of range

• Data format: Integer mode (left justified, 2's complement), IEEE 32-bit floating point

Conversion Methods

• Input: Successive approximation

• Output: R-Ladder DAC, monotonic with no missing codes

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