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Overview
The Yokogawa SDV531-S23 S1 is an 8-channel digital output module used in ProSafe-RS safety systems. It delivers 24 V DC output signals with isolated channels to control field devices. Designed for high-reliability applications, it supports redundant configurations and robust diagnostics.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SDV531-S23 S1 |
| Number of Outputs | 8 isolated channels |
| Output Voltage | 24 V DC |
| Output Voltage Drop | ≤ 1 V |
| Output Format | Current source |
| Max Load Current per Channel | 0.6 A |
| Total Output Current | 4.8 A (max) |
| Minimum Load Current | 35 mA |
| Load Resistance Range | 40 to 685 Ω |
| External Power Supply | 24 V DC ±5%, 5 A minimum |
| Max Leakage Current (OFF) | 1.6 mA |
| Output Response Time | ≤ 30 ms |
| Withstand Voltage | 2 kV AC for 1 minute |
| Current Consumption (5 V DC) | ≤ 280 mA |
| Current Consumption (24 V DC) | ≤ 140 mA |
| External Connection | Pressure clamp, MIL cable, or AKB331 signal cable |
| Dimensions (W x H x D) | 130 x 107.5 x 32.8 mm |
| Weight | 0.28 kg |
Applications
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Emergency shutdown systems (ESD)
-
Burner management systems (BMS)
-
Fire and gas systems (F&G)
-
High-integrity pressure protection systems (HIPPS)
-
General-purpose digital output in automation
Key Advantages
-
Isolated Channels: Prevents interference and enhances reliability
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Fast Output Response: Ensures precise control
-
Diagnostic Features: Integrated field wiring diagnostics
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Flexible Wiring: Supports pressure clamps, MIL cables, and dedicated signal cables
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Compact Size: Suitable for high-density installations
Frequently Asked Questions (FAQ)
Q1: What is the rated output voltage of the SDV531-S23 S1 module?
A1: It outputs 24 V DC.
Q2: How many channels does this module support?
A2: It supports 8 isolated digital output channels.
Q3: Can the SDV531 be used in redundant configurations?
A3: Yes, it supports dual-redundant setups.
Q4: What is the maximum current per output channel?
A4: 0.6 A per output line.
Q5: What type of output signal does it provide?
A5: It uses a current source output format.
Q6: What is the minimum allowable load current?
A6: 35 mA.
Q7: What wiring options are supported?
A7: Pressure clamp terminals, MIL cable, and AKB331 signal cable.
Q8: Is the module suitable for safety-critical applications?
A8: Yes, it is designed for ProSafe-RS safety systems.
Q9: What is the response time for digital outputs?
A9: Maximum 30 milliseconds.
Q10: What are its physical dimensions and weight?
A10: 130 x 107.5 x 32.8 mm and weighs 0.28 kg.
Related Yokogawa Models
| Model | Channels | Output Voltage | Max Load/Channel | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| SDV521 | 4 | 24 V DC | 2 A | 130 x 107.5 x 32.8 | 0.36 kg |
| SDV541 | 16 | 24 V DC | 0.2 A | 130 x 107.5 x 32.8 | 0.29 kg |
| SDV53A | 8 | 48 V DC | 0.6 A | 130 x 107.5 x 32.8 | 0.46 kg |
| SDV526 | 4 | 100–120 V AC | 0.5 A | 159.8 x 94 x 32.8 | 0.36 kg |
| SDV144 | 16 (Input) | — | — | 130 x 107.5 x 32.8 | 0.36 kg |
| SCB100/110 | Diagnostic | — | — | 250 x 32 x 10 | — |
Popular Yokogawa Models
| Model | Type | Channels | Voltage | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| SDV531-S23 S1 | Digital Output Module | 8 | 24 V DC | 130 x 107.5 x 32.8 | 0.28 kg |
| AAI543-H50 | Analog Input Module | 16 | 4–20 mA | 130 x 100 x 40 | 0.40 kg |
| AAI841-H00 | Analog Input HART Module | 8 | 4–20 mA | 130 x 100 x 40 | 0.45 kg |
| AAI135-H00 | Analog Input Module | 8 | ±10 V | 130 x 100 x 40 | 0.42 kg |
| ADV151 | Digital Input Module | 64 | 24 V DC | 150 x 110 x 40 | 0.48 kg |
| PW482 | Power Supply Module | — | 24 V DC input | 140 x 100 x 50 | 0.65 kg |
