Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa SAI143-S03/K4A00 is a 16-channel analog input module designed for high-reliability operation in ProSafe-RS safety instrumented systems. It efficiently converts 4–20 mA signals from field devices into digital data for precise monitoring and control. Its isolated channels and diagnostic capabilities make it ideal for industrial applications requiring accuracy and system integrity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Type | 4–20 mA current signals |
| Number of Channels | 16 |
| Channel Isolation | Yes, each channel isolated |
| Input Impedance | Power-ON: 250 Ω + current value Power-OFF: ≥ 500 kΩ |
| Rated Accuracy | ±16 µA (for input range 1–23 mA) |
| Temperature Range | 0–60°C |
| Diagnostic Capabilities | Supports diagnostic pulse testing |
| Compliance | Meets ISA G3 standards |
| Dimensions (L x W x H) | 130 × 107.5 × 32.8 mm |
| Weight | 0.34 kg |
Applications
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Safety instrumented systems monitoring
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Process control in chemical, oil, and gas industries
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High-density analog signal acquisition
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Critical industrial automation requiring isolated channels
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Fault detection and system diagnostics
Advantages
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High channel density reduces panel space requirements
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Individual channel isolation ensures reliable operation
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Precise 4–20 mA signal conversion with ±16 µA accuracy
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Supports in-situ diagnostic testing for predictive maintenance
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Compact design with lightweight module for flexible installation
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Compliance with industry safety standards enhances system reliability
Frequently Asked Questions (FAQ)
1. What signal type does SAI143-S03/K4A00 support?
It supports 4–20 mA current input signals.
2. How many channels are available in this module?
The module contains 16 analog input channels.
3. Are the channels isolated?
Yes, each channel is individually isolated to prevent interference.
4. What is the accuracy of the analog input?
The rated accuracy is ±16 µA for the input range of 1–23 mA.
5. What diagnostic functions are available?
It supports diagnostic pulse testing to verify channel operation.
6. What are the operating temperature limits?
The module operates reliably within 0–60°C.
7. What are the physical dimensions and weight?
Dimensions are 130 × 107.5 × 32.8 mm, and it weighs 0.34 kg.
8. Is this module suitable for safety instrumented systems?
Yes, it is designed specifically for ProSafe-RS and similar safety systems.
9. Can the module handle high-density installations?
Yes, its compact design allows high-density panel installation.
10. Does it comply with industry standards?
Yes, it meets ISA G3 safety and performance standards.
Related Models (Same Series)
| Model | Channels | Input Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| SAI143-S01/K4A00 | 8 | 4–20 mA | 130 × 107.5 × 32.8 | 0.32 |
| SAI143-S02/K4A00 | 12 | 4–20 mA | 130 × 107.5 × 32.8 | 0.33 |
| SAI143-S04/K4A00 | 16 | 4–20 mA | 130 × 107.5 × 32.8 | 0.35 |
| SAI143-S05/K4A00 | 16 | 0–20 mA | 130 × 107.5 × 32.8 | 0.35 |
| SAI143-S06/K4A00 | 16 | Thermocouple | 130 × 107.5 × 32.8 | 0.36 |
| SAI143-S07/K4A00 | 16 | RTD | 130 × 107.5 × 32.8 | 0.36 |
Popular Yokogawa Models
| Model | Channels | Input Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| SAI143-S03/K4A00 | 16 | 4–20 mA | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-S02/K4A00 | 12 | 4–20 mA | 130 × 107.5 × 32.8 | 0.33 |
| SAI143-S04/K4A00 | 16 | 4–20 mA | 130 × 107.5 × 32.8 | 0.35 |
| SAI143-S06/K4A00 | 16 | Thermocouple | 130 × 107.5 × 32.8 | 0.36 |
| SAI143-S07/K4A00 | 16 | RTD | 130 × 107.5 × 32.8 | 0.36 |
| SAI141-S01/K4A00 | 8 | 4–20 mA | 130 × 107.5 × 32.8 | 0.32 |
