1756-IF16H

Product Overview

1756-IF16H is an Allen-Bradley HART analog input module with 16 differential current inputs and dedicated HART modems per channel.

Input & Signal

• Channels: 16 differential inputs

• Input range: 0–20 mA, 4–20 mA

• Input impedance: 249 Ω

• Open circuit detection: Positive full-scale reading within 5 s

• Overvoltage protection: Max 8 V DC

Electrical Specifications

• Backplane voltage/current: 5.1 V DC @ 200 mA, 24 V DC @ 125 mA

• Total backplane power: 4.02 W

• Power dissipation (max): 6 W

• Thermal dissipation: 12 BTU/hr

Isolation

• Isolation voltage: 50 V continuous (basic insulation) between input channels and backplane

• Note: No isolation between individual input channels

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