SA1600 Analog Isolated Safety Barrier

The SAI600 analog signal isolated safety barrier provides power and signal isolation for transmitters in hazardous areas, supporting 4–20 mA signals and HART communication. With three-way galvanic isolation, it ensures high accuracy, low power consumption, and reliable performance in industrial automation systems requiring intrinsic safety compliance.

Characteristics

Three-Way Galvanic Isolation Between Input, Output, and Power Supply for Maximum Safety, Signal Integrity, and System Stability

Supports 4–20 mA Analog Signal Transmission with Full Bidirectional HART Communication Capability Without Signal Distortion

High Measurement Accuracy of ±0.1% FS at 25°C and Excellent Temperature Stability with Drift <40 ppm/°C

Low Power Consumption: Only 1.3W Typical in Single-Channel Mode and 1.8W in Dual-Channel Mode at 24VDC

Fast Response Time Ensuring Real-Time Signal Transmission and Process Control

Designed for Safe and Reliable Operation in Explosive Atmospheres with Intrinsic Safety Compliance

Name	Description
Series Number	SAI600 (Analog Isolated Safety Barrier)
Instrument Type	Input type only Output type only (Only one input and one output can be selected)
Input	AA: 4–20 mA
Channel Type	0: One input and one output 2: One input and two outputs 4: Two inputs and two outputs
Output	AA: 4–20 mA
Power Supply	C: 24 VDC

SAI600 Analog Signal Isolated Safety Barrier

The SAI600 Analog Signal Isolated Safety Barrier provides isolated power to transmitters located in hazardous areas while detecting loop current and transmitting isolated 4–20 mA or voltage signals to the safe area. It supports bidirectional HART signal transmission without distortion. With full isolation between input, output, and power supply circuits, the SAI600 ensures high reliability, fast response, low power consumption, and excellent temperature stability.

Applications:

Signal and power isolation for transmitters installed in explosive atmospheres.
Interface between intrinsically safe field devices and control systems.
Transmission of 4–20 mA analog signals with HART communication capability.
Industrial automation systems requiring high safety and signal integrity.
Use in control rooms, process plants, and hazardous zone instrumentation networks.

Features:

Three-way galvanic isolation: Full electrical separation between input, output, and power supply circuits.
HART communication support: Enables bidirectional signal transmission without affecting measurement accuracy or signal quality.
High accuracy and stability: ±0.1% FS at 25°C, with temperature drift less than 40 ppm/°C.
Low power consumption: 1.3W typical for single-channel load and 1.8W for dual-channel operation at 24V DC.
Comprehensive protection & certification: Complies with IEC61326-3-1 EMC standards and certified by the National Supervision and Inspection Center of Explosion Protection and Safety.

*Ideal for use in harsh industrial environments where both intrinsic safety and signal fidelity are essential.