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 Introduction
The Yokogawa SAI143-S53/A4S10 Analog Input Module is a high-performance 16-channel input device designed for industrial control and safety systems. It accurately converts 4–20 mA signals from field devices into digital data for monitoring and control purposes. This module ensures reliable operation in safety-critical applications and supports both standard and HART-enabled configurations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA (0–25 mA permissible) |
| Number of Channels | 16 (isolated) |
| Input Impedance | Power-ON: 250 Ω + current value Power-OFF: ≥500 kΩ |
| Rated Accuracy | SAI143-S: ±16 µA (1–23 mA) SAI143-H: ±16 µA (0.05–23 mA) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA per 10°C |
| Transmitter Power Supply | 16.15–26.4 V, current limit 25 mA |
| 2/4-Wire Setting | Individual channel jumper setting |
| Withstand Voltage | 1.5 kV AC between input signal and system (1 min) |
| Maximum Current Consumption | 5 V: 320 mA 24 V: 550 mA |
| External Connections | Pressure clamp terminal, MIL connector, or dedicated cable (KS1) |
| HART Communication | Optional (SAI143-H variant) |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | 0.34 kg |
Applications
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Chemical and petrochemical plants
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Oil and gas processing
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Power generation systems
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Safety instrumented systems requiring precise analog signal acquisition
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Real-time monitoring of critical process parameters
Advantages
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High-channel density with full isolation for 16 inputs
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Accurate 4–20 mA signal acquisition with low drift
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Optional HART support for diagnostics and configuration
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Flexible 2/4-wire configuration per channel
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Compact design for efficient cabinet integration
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Robust voltage and current tolerance ensuring reliability in industrial environments
FAQ
1. What types of signals does the SAI143-S53/A4S10 support?
It supports 4–20 mA current signals from field devices.
2. Can it handle HART communication?
Yes, HART is supported in the SAI143-H variant.
3. How many channels does the module provide?
The module provides 16 isolated analog input channels.
4. What is the update frequency of input data?
Input data is updated every 40 ms.
5. What is the input accuracy?
±16 µA within the input range specified (1–23 mA for S, 0.05–23 mA for H variant).
6. Can the module power transmitters?
Yes, it supplies 16.15–26.4 V with a maximum output current of 25 mA.
7. How is channel configuration managed?
Each channel can be set individually as 2-wire or 4-wire via jumper pins.
8. What environmental conditions can it operate in?
It is suitable for industrial environments with standard temperature drift of ±16 µA per 10°C.
9. What are the module dimensions and weight?
Dimensions: 130 × 107.5 × 32.8 mm; Weight: 0.34 kg.
10. How reliable is the module in harsh industrial conditions?
It features full isolation, withstands 1.5 kV AC, and has low temperature drift, ensuring reliable operation.
Related or Series Models
| Model | Channels | Input Range | HART | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SAI143-S50 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-S51 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H33 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H34 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-S52 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H35 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
Popular Yokogawa Analog Input Modules
| Model | Channels | Input Range | HART | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SAI144-S53 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI144-H54 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI145-S60 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI145-H61 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI146-S62 | 16 | 4–20 mA | No | 130 × 107.5 × 32.8 | 0.34 |
| SAI146-H63 | 16 | 4–20 mA | Yes | 130 × 107.5 × 32.8 | 0.34 |
