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SAI143-H5C

The Yokogawa SAI143-H5C is a 16-channel analog input module designed for use in Yokogawa's ProSafe-RS safety instrumented systems. This module is engineered to handle 4 to 20 mA current signals from field devices, providing reliable and safe input processing for critical applications.

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Key Specifications

Model: SAI143-H5C

Type: Analog Input Module

Number of Input Channels: 16

Input Signal Type: 4 to 20 mA (2-wire transmitters)

Rated Input Range: 4 to 20 mA

Permissible Input Range: 0 to 25 mA

Input Impedance:

During Power-On: 250 Ω + current value

During Power-Off: 500 kΩ minimum

Rated Accuracy: ±16 µA (input range 1 to 23 mA)

Temperature Drift: ±16 µA/10 °C

Transmitter Power Supply:

Minimum: 16.15 V at 20 mA

Maximum: 26.4 V at 0 mA

Output Current Limit: 25 mA

Withstand Voltage: 2 kV AC for 1 minute between input signal and system

Maximum Current Consumption:

5 V System: 300 mA

24 V System: 140 mA

Weight: Approximately 0.39 kg

✅ Features

Module Isolation: Provides isolation between input channels and the system, enhancing noise immunity and system stability.

Dual-Redundant Support: Supports dual-redundant configurations, improving system availability and fault tolerance.

High Voltage Tolerance: Can withstand input voltages up to 30 V DC, accommodating a wide range of field devices.

Fast Response Time: Offers quick input response with a maximum time of 40 ms, suitable for real-time applications.

Flexible Connectivity: Compatible with pressure clamp terminals or MIL cables, providing versatile installation options.