YOKOGAWA SAI533-H33 Analog Output Module High Quality

Overview

The Yokogawa SAI533-H33 is an advanced 8-channel analog output module designed for the ProSafe-RS distributed control system (DCS). It is engineered to provide reliable 4-20 mA signals to field devices, with dual redundancy functionality for enhanced operational stability. This module is ideal for critical process control applications across industries such as oil and gas, chemicals, and power generation.

Technical Specifications

Number of Channels: 8
Output Type: 4-20 mA analog output
Dual Redundancy: Available for improved system reliability
HART Communication: For field device configuration and diagnostics
Compliance: ISA Standard G3
Operating Temperature Range: -20°C to 70°C
Prevention Pin: Prevents false insertion of modules

Input Specifications

Rated Input Range: 4 to 20 mA
Permissible Input Range: 0 to 25 mA
Input Impedance (Power-ON): 250 Ω + current value
Input Impedance (Power-OFF): 500 kΩ minimum
Voltage Drop: Inside the input protection circuit
Rated Accuracy:
- SAI143-S: ±16 µA (input range: 1 to 23 mA)
- SAI143-H: ±16 µA (input range: 0.05 to 23 mA)
Data Update Frequency: 40 ms
Temperature Drift: ±16 µA/10°C

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