1794-IF41

Product Overview

1794-IF4 is a FLEX™ I/O isolated analog input module designed for precise voltage and current measurements.

Technical Specifications

• Resolution: 16 bits unipolar, 15 bits plus sign bipolar

• Voltage Resolution: 0.156 mV/cnt unipolar, 0.313 mV/cnt bipolar

• Current Resolution: 0.320 µA/cnt unipolar, 0.640 µA/cnt bipolar

• Conversion Type: Sigma-Delta

• Update Rate: 2.5/5.0/7.5 ms for all channels

• Input Range (Current): 0–20 mA, 4–20 mA, ±20 mA (user configurable)

• Input Range (Voltage): 0–5V, ±5V, 0–10V, ±10V (user configurable)

• Step Response (to 63% full scale): 1200 Hz = 0.6 ms, 600 Hz = 6.7 ms, 300 Hz = 13.4 ms, 150 Hz = 26.7 ms

• Input Resistance: Voltage terminal >10 MΩ, Current terminal <100 Ω

• Absolute Accuracy: Voltage 0.1% full scale @ 25°C, Current 0.1% full scale @ 25°C

• Accuracy Drift w/Temperature: Voltage 0.0028% full scale/°C, Current 0.0038% full scale/°C