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 is an analog input module designed for use with the Yokogawa CENTUM VP and ProSafe-RS control systems. It provides high-density, isolated analog input channels for accurate signal measurement. Engineered for critical industrial automation environments, it ensures stable, secure, and reliable process data acquisition.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | SAI143 |
| Input Type | Analog (Voltage/Current) |
| Input Channels | 16 isolated channels |
| Input Range | 0–20 mA, 4–20 mA |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Isolation | Channel-to-channel & system |
| Power Supply Voltage | Supplied via base unit |
| Response Time | < 100 ms |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Weight | 0.34 kg |
Applications
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Chemical processing plants
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Oil and gas automation systems
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Power generation control
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Water treatment and distribution
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Pharmaceutical production lines
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Manufacturing process monitoring
Key Advantages
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High channel density for compact installations
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Accurate signal acquisition with 16-bit resolution
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Reliable operation in industrial environments
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Galvanic isolation to prevent signal interference
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Seamless integration with Yokogawa DCS systems
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Supports various current input ranges
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Long-term stability and low maintenance needs
Frequently Asked Questions (FAQ)
Q1: What kind of signals does the SAI143 accept?
A1: It accepts analog current signals in the 0–20 mA or 4–20 mA range.
Q2: How many input channels does the SAI143 provide?
A2: It offers 16 isolated analog input channels.
Q3: Can the SAI143 be used in safety applications?
A3: Yes, it is suitable for use in ProSafe-RS systems for safety-critical processes.
Q4: Is the module hot-swappable?
A4: No, the SAI143 must be powered down before replacement.
Q5: Does the module support channel-to-channel isolation?
A5: Yes, each input channel is galvanically isolated.
Q6: How is the SAI143 powered?
A6: It is powered via the base unit of the control system rack.
Q7: Is there diagnostics support for input signal failures?
A7: Yes, it supports signal line monitoring and diagnostics.
Q8: What DCS systems are compatible with the SAI143?
A8: It is compatible with Yokogawa CENTUM VP and ProSafe-RS systems.
Q9: What is the installation orientation for the module?
A9: It is designed for vertical installation within the I/O rack.
Q10: How often should the SAI143 be calibrated?
A10: It is factory-calibrated and typically requires no frequent recalibration.
Related or Similar Models
| Model | Channels | Input Type | Resolution | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SAI533 | 16 | Analog (Voltage) | 16-bit | 130 x 107.5 x 32.8 | 0.34 |
| SAI533-H | 16 | Analog (HighTemp) | 16-bit | 130 x 107.5 x 32.8 | 0.35 |
| SAI143-S00 | 16 | Analog (Current) | 16-bit | 130 x 107.5 x 32.8 | 0.34 |
| SAI143-H | 16 | Analog (Current) | 16-bit | 130 x 107.5 x 32.8 | 0.34 |
| SAI143D | 8 | Differential AI | 16-bit | 130 x 107.5 x 32.8 | 0.34 |
| SAI243 | 8 | Analog (Voltage) | 16-bit | 130 x 107.5 x 32.8 | 0.33 |
Popular Yokogawa Models
| Model | Description | Application Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI143 | Analog Input Module (16ch, 4–20 mA) | General Process Control | 130 x 107.5 x 32.8 | 0.34 |
| AAI841 | HART Analog Input Module | Advanced Diagnostics | 130 x 107.5 x 32.8 | 0.35 |
| AAR145 | RTD Input Module | Temperature Monitoring | 130 x 107.5 x 32.8 | 0.33 |
| ADV151 | Digital Input Module (32ch) | Digital Signal Capture | 130 x 107.5 x 32.8 | 0.32 |
| ADO141 | Digital Output Module (16ch) | Actuator Control | 130 x 107.5 x 32.8 | 0.34 |
| CP451 | CPU Processor Module | System Control | 130 x 107.5 x 32.8 | 0.36 |
