SAI533-H03 Yokogawa 8-Ch Output Module | HART 4-20mA PST

SAI533-H03 – Current Output Module

Brand: Yokogawa
Model: SAI533-H03
Series: SAI533 Analog Output Module

Product Overview

This module outputs 4-20 mA signals to field devices. It has 8 isolated channels for reliable operation. You can make it dual redundant for critical applications. The module supports HART communication for smart instruments. It also works with PST (Partial Stroke Test) for valve diagnostics.

Key Features

• 8 output channels – module isolation design
• Signal range: 4 to 20 mA (rated), 1.25 to 23 mA (guaranteed precision)
• High accuracy: ±48 µA
• Fast update: 40 ms data refresh
• HART communication: built-in support
• PST support: available (KS1)
• Temperature range: -20 to 70 °C (with ISA Standard G3)

Technical Specifications

• Output channels: 8, module isolated
• Rated output: 4 to 20 mA
• Precision range: 1.25 to 23 mA
• Load resistance: 230 to 600 Ω (at rated range)
• Temperature drift: ±16 µA per 10 °C
• Withstand voltage: 1.5 kV AC (output to system), 500 V AC (with dedicated cable)
• Current consumption: 320 mA (5 V), 300 mA (24 V)
• Weight: 0.26 kg (terminal/MIL), 0.33 kg (with adapter)

Connections & Wiring

• External connection options:
  • Pressure clamp terminal
  • MIL cable
  • Dedicated signal cable
• Supports PST (Partial Stroke Test) via KS1

Expert Review

This module delivers precise current outputs for valve control. The 40 ms update keeps loops responsive. HART support simplifies configuration and diagnostics. The wide temperature range (-20 to 70 °C) suits harsh plant environments. A solid choice for safety and process systems.

Manager’s Insight

For project managers, this module offers 8 isolated outputs in one unit. The dual-redundant option improves system reliability. PST support helps with valve testing without shutdown. Good value for critical control applications.

Compatible Devices & Applications

• Compatible with: Yokogawa ProSafe-RS safety systems, CENTUM VP DCS
• Typical applications:
  • Control valves and positioners
  • I/P converters
  • Actuator control
  • Process automation loops

Comparison with Similar Models

• SAI533-H00 – same module without HART communication
• SAI533-H13 – with HART and different temperature rating
• SAI533-H03 (this model) – HART + ISA G3 + extended temp range

Professional FAQ

• What is the output update time?
  The data updates every 40 ms for all channels.
• Does this support HART communication?
  Yes, the -H suffix includes HART capability.
• What is the load resistance range?
  It works with 230 to 600 Ω at 4-20 mA.
• Can this module be dual redundant?
  Yes, you can configure it for dual-redundant operation.
• What temperature range does it support?
  It operates from -20 to 70 °C with ISA G3 protection.

Selection & Purchase Guide

• Warranty: 12 months against defects.
• Shipping: 12-24 hours dispatch.
• Carriers: FedEx, UPS, DHL.
• Choose this for 8 isolated outputs with HART and PST support.
• For non-HART needs, consider SAI533-H00 to save cost.

Contact Information
📧 sales@powergearx.com
📱 +86 18030005825

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