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Product Description
The Yokogawa SAI143-H63 is a high-performance 16-channel analog input module designed specifically for use in safety control systems such as the ProSafe-RS platform. It supports 4 to 20 mA analog current input signals and features HART communication capabilities, allowing for digital communication with field instruments. With isolated input channels and support for dual redundancy, the SAI143-H63 ensures both system safety and data reliability in industrial applications, including chemical plants, oil & gas facilities, and power generation stations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-H63 |
| Input Signal Type | Analog current (4 to 20 mA) |
| Number of Channels | 16 isolated channels |
| Rated Input Range | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance (Power-ON) | 250 Ω + current value (variable) |
| Input Impedance (Power-OFF) | ≥ 500 kΩ |
| Rated Accuracy | ±16 µA (0.05 to 23 mA) |
| Temperature Drift | ±16 µA per 10°C |
| Data Update Frequency | 40 ms |
| Transmitter Power Supply | 16.15 V (min at 20 mA), 26.4 V (max at 0 mA) |
| Output Current Limit | 25 mA |
| 2/4-Wire Setting | Individually selectable via setting pins |
| Isolation | 1.5 kV AC for 1 min (Input-to-system isolation) |
| HART Communication | Supported (1 HART modem, 1 device per channel) |
| Maximum Current Consumption (5 V) | 320 mA |
| Maximum Current Consumption (24 V) | 550 mA |
| External Connections | Pressure clamp / MIL cable / Signal cable |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Weight | 0.34 kg |
| PRM (Plant Resource Manager) Support | Available |
| Transmitter Power ON/OFF Function | Supported for all 16 channels simultaneously |
Applications
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Safety Instrumented Systems (SIS): Certified input acquisition for critical process variables in ProSafe-RS systems.
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Oil & Gas Facilities: Accurate current input from transmitters monitoring pressure, level, or flow.
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Chemical Processing Plants: Reliable data input from various 4–20 mA devices in corrosive and hazardous areas.
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Power Generation Units: Monitoring of electrical and mechanical parameters from remote sensors.
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Petrochemical Units: Secure interfacing with field devices in high-temperature or explosion-prone zones.
Product Advantages
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HART Communication Enabled: Allows for advanced diagnostics and digital configuration via PRM.
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Channel Isolation: Enhances signal integrity and system reliability under harsh conditions.
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Dual Redundancy Ready: Ensures continuous operation in safety-critical applications.
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Compact and Lightweight Design: Simplifies panel layout with dimensions of 130 x 107.5 x 32.8 mm and weight of only 0.34 kg.
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Rapid Data Refresh: 40 ms update rate enables responsive system behavior.
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Flexible Installation: Supports both 2-wire and 4-wire devices, easily configurable.
Frequently Asked Questions (FAQ)
Q1: What type of signal does the SAI143-H63 support?
A1: It supports 4 to 20 mA analog current input signals.
Q2: How many input channels are available on the module?
A2: It provides 16 isolated input channels.
Q3: Is HART communication supported?
A3: Yes, the SAI143-H63 supports HART Protocol Revision 5.7 communication.
Q4: Can I use this module in a redundant configuration?
A4: Yes, it supports dual-redundant installation.
Q5: What is the module’s data update frequency?
A5: The data update frequency is 40 milliseconds.
Q6: What is the transmitter power supply voltage range?
A6: Between 16.15 V (at 20 mA) and 26.4 V (at 0 mA).
Q7: What’s the isolation voltage between input signal and system?
A7: 1.5 kV AC for 1 minute.
Q8: What type of external connections are supported?
A8: Pressure clamp terminals, MIL cables, or signal cable adapters.
Q9: What is the accuracy specification of this module?
A9: ±16 µA for the input range 0.05 to 23 mA.
Q10: Is the module compatible with Yokogawa’s PRM?
A10: Yes, PRM is supported for diagnostics and management.
Related Models (Same Series or Functionally Similar)
| Model | Type | Input/Output | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SAV144 | Analog Input (Voltage) | 1-5 V / 1-10 V | 16 | 130 x 107.5 x 32.8 | 0.24 |
| SAT145 | TC/mV Input | Thermocouple/mV | 16 | 130 x 159.8 x 32.8 | 0.47 |
| SAR145 | RTD Input | RTD (3-wire) | 16 | 130 x 159.8 x 32.8 | 0.47 |
| SAI143-S63 | Analog Input (Standard) | 4-20 mA | 16 | 130 x 107.5 x 32.8 | 0.34 |
| SAI533-H63 | Analog Output (Current) | 4-20 mA | 8 | 130 x 107.5 x 32.8 | 0.26 |
| SAI533-S63 | Analog Output (Standard) | 4-20 mA | 8 | 130 x 107.5 x 32.8 | 0.26 |
Popular Yokogawa Models
| Model | Type | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| PW101 | Power Supply Module | Power Module | — | 130 x 107.5 x 32.8 | 0.40 |
| PW402 | Power Supply Module | Redundant Power Supply | — | 130 x 107.5 x 32.8 | 0.42 |
| ADV551-P00 | Digital Output Module | 32 pts DO | 32 | 130 x 107.5 x 32.8 | 0.35 |
| ADV151-P03 | Digital Input Module | 64 pts DI | 64 | 130 x 107.5 x 32.8 | 0.38 |
| AAI143-H50 | Analog Input Module (FF) | HART Input | 16 | 130 x 107.5 x 32.8 | 0.36 |
| AAI543-H00 | Analog Output Module (FF) | HART Output | 8 | 130 x 107.5 x 32.8 | 0.34 |
