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-H33/PRP is a high-performance analog input module for the CENTUM VP control system. It delivers precise and stable measurement of analog signals and supports PRP (Partial Redundancy Protocol) for reliable operation in critical environments.
✅ Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | Analog Input Module |
| Input Channels | 8 differential inputs |
| Input Signal | 0–20 mA, 4–20 mA, 0–10 V |
| Accuracy | ±0.1% of full scale |
| Conversion Type | Sigma-Delta A/D |
| Isolation | Channel-to-channel and channel-to-system isolation |
| Response Time | 20 ms |
| Power Supply | 24 V DC |
| Operating Temperature | 0–55 °C |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | 0.34 kg |
| Communication | PRP-enabled, CENTUM VP backplane compatible |
✅ Applications
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Process control in chemical and petrochemical plants
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Continuous measurement in power generation systems
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Integration in oil & gas production facilities
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High-reliability systems in critical manufacturing processes
✅ Advantages
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High accuracy and stable analog signal processing
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PRP support for enhanced reliability
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Compact design saves cabinet space
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Easy integration with CENTUM VP system
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Low power consumption and reliable thermal performance
✅ FAQ
1. What type of signals does the SAI143-H33/PRP support?
It supports current (0–20 mA, 4–20 mA) and voltage (0–10 V) analog signals.
2. How many channels does the module provide?
It provides 8 differential analog input channels.
3. What is the module’s accuracy?
±0.1% of full scale.
4. Can it be used in hazardous environments?
It is designed for industrial use; hazardous area compliance should be verified per local standards.
5. What is PRP functionality?
Partial Redundancy Protocol allows continuous operation with minimal downtime during system faults.
6. How is it installed?
The module is mounted on a CENTUM VP backplane and secured with standard clips.
7. What is the operating temperature range?
0–55 °C.
8. Is the module hot-swappable?
Yes, it can be replaced without shutting down the system, following proper procedures.
9. What is the response time for analog measurements?
Typical response time is 20 ms.
10. What kind of maintenance does it require?
Regular visual inspections and periodic calibration are recommended.
✅ Recommended Models
| Model | Channels | Input Range | HART Communication | Redundancy Support | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| SAI143-H63 | 16 | 4–20 mA | Yes | Dual Redundant | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H53 | 16 | 4–20 mA | Yes | Dual Redundant | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H33/PRP S2 | 16 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H33 | 16 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H63/PRP S4 | 16 | 4–20 mA | Yes | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI143-H53/A4D00 | 16 | 4–20 mA | Yes | Dual Redundant | 130 × 107.5 × 32.8 | 0.34 |
🔄 Popular Yokogawa Models
| Model | Channels | Input Range | HART Communication | Redundancy Support | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| SAI141-H33 | 4 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI142-H33 | 4 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI144-H33 | 8 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI145-H33 | 16 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI146-H33 | 16 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.34 |
| SAI147-H33 | 8 | 4–20 mA | No | Yes | 130 × 107.5 × 32.8 | 0.3 |
