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Product Overview
The Yokogawa SAI533-H53 is a high-performance analog output module designed for use in safety systems such as Yokogawa’s ProSafe-RS. This module outputs 4 to 20 mA analog signals across 8 isolated channels. With integrated HART communication support, it allows advanced diagnostics and control over connected HART-compatible devices, including valve positioners. It’s suitable for applications requiring high reliability, precise signal output, and safety compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI533-H53 |
| Output Channels | 8 isolated channels |
| Output Signal Range | 4 to 20 mA |
| Full Output Range | 1.25 to 23 mA |
| Guaranteed Precision Range | 1.25 to 23 mA |
| Accuracy | ±48 µA |
| Load Resistance (at 4–20 mA) | 230 to 600 Ω |
| Temperature Drift | ±16 µA / 10 °C |
| Data Update Frequency | 40 ms |
| Withstand Voltage | 1.5 kV AC (standard), 500 V AC (dedicated cable) |
| Current Consumption (5V/24V) | 320 mA / 300 mA |
| External Connection | Pressure clamp / MIL cable / Signal cable |
| HART Communication Support | Yes (1 modem, 1 HART device per channel) |
| Dimensions | 130 × 124 × 32.8 mm |
| Weight | 0.33 kg |
Applications
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Safety Instrumented Systems (SIS)
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Critical process control with HART devices
-
Valve actuation and diagnostics
-
Distributed Control Systems (DCS) output modules
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Analog signal driving in hazardous environments
Advantages
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Supports HART protocol for smart device integration
-
Isolated channels for safety and signal integrity
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Compatible with Partial Stroke Testing (PST) for valve diagnostics
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Suitable for dual-redundant configurations
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Compact and lightweight for high-density installations
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Conforms to ISA G3 environmental standards
Frequently Asked Questions (FAQ)
Q1: How many output channels does the SAI533-H53 have?
A1: It has 8 isolated analog output channels.
Q2: What is the output signal range?
A2: The output range is 4 to 20 mA, with extended capability from 1.25 to 23 mA.
Q3: Is this module suitable for safety-critical applications?
A3: Yes, it is designed for use in safety systems like Yokogawa’s ProSafe-RS.
Q4: Does it support HART communication?
A4: Yes, each channel supports HART communication with one device per channel.
Q5: What is the accuracy of the analog output?
A5: The accuracy is ±48 µA over the specified range.
Q6: Can it be used with a dual-redundant system?
A6: Yes, it is compatible with dual-redundant configurations.
Q7: What is the operating temperature range?
A7: The SAI533-H53 supports ambient conditions up to 70°C with proper suffix codes.
Q8: What type of connections are supported?
A8: Pressure clamp terminal, MIL cable, and dedicated signal cable connections are supported.
Q9: How often is the data updated?
A9: The module has a data update frequency of 40 ms.
Q10: Does it support Partial Stroke Testing (PST)?
A10: Yes, it supports PST for valve positioner diagnostics.
Related Models (Same Series)
| Model | Description | Channels | Output Range | Weight |
|---|---|---|---|---|
| SAI533-H53 | Analog Output w/ HART | 8 | 4–20 mA | 0.33 kg |
| SAI533 | Analog Output (standard) | 8 | 4–20 mA | 0.26 kg |
| SAI143-H | Analog Input w/ HART (Current Input) | 16 | 4–20 mA | 0.34 kg |
| SAV144 | Analog Input (Voltage Input) | 16 | 1–5 V / 1–10 V | 0.24 kg |
| SAT145 | TC/mV Input Module | 16 | TC/mV | 0.47 kg |
| SAR145 | RTD Input Module | 16 | RTD | 0.47 kg |
Popular Yokogawa Models
| Model | Description | Channels | Signal Type | Weight |
|---|---|---|---|---|
| SAI533-H53 | Analog Output w/ HART | 8 | 4–20 mA | 0.33 kg |
| SAI143-H | Analog Input w/ HART | 16 | 4–20 mA | 0.34 kg |
| ALR121 | Alarm Relay Module | 8 relays | Relay outputs | 0.30 kg |
| CP451-10 | Communication Processor | N/A | Ethernet | 0.75 kg |
| ADV151 | Digital Input Module | 32 | Digital | 0.25 kg |
| ADV551 | Digital Output Module | 32 | Digital | 0.25 kg |
