Yokogawa SAI143-S63/A4S00 Analog Input Module

The Yokogawa SAI143-S63/A4S00 Analog Input Module is designed for industrial process automation systems. It provides precise, reliable 4–20 mA signal acquisition with high channel isolation, suitable for integration into both standard and safety instrumented systems. Its compact design ensures easy installation in distributed control systems (DCS) and safety control architectures.

Technical Specifications

Applications

• Process signal monitoring and control in DCS.

• Integration in Safety Instrumented Systems (SIS).

• Field instrumentation data acquisition.

• Industrial automation requiring high channel isolation.

Advantages

• High-precision analog signal acquisition.

• Individual channel isolation minimizes cross-talk.

• Supports dual-redundant configurations for enhanced reliability.

• Compact size allows easy integration into control cabinets.

• HART communication support enables diagnostics and configuration.

• Robust performance under wide temperature conditions.

FAQ

1. What signal types are supported?

The module supports 4–20 mA DC input signals.

2. Can it handle over-range signals?

Yes, it supports up to 25 mA input without damage.

3. How fast is the data update?

The module updates data every 40 ms.

4. Is HART communication supported?

Yes, HART protocol is supported for device diagnostics.

5. Can it be used in redundant systems?

Yes, dual-redundant configurations are supported.

6. What is the operational temperature range?

It operates from -20°C to 70°C.

7. How many channels are there?

There are 16 independent analog input channels.

8. What is the power supply requirement?

16.15–26.4 V DC with a maximum current of 25 mA.

9. What is the module’s accuracy?

Accuracy is ±16 µA within the 1–23 mA input range.

10. What mounting options are available?

Clamp terminals, MIL connector cables, or dedicated signal cables can be used.