Product 説明
The Yokogawa SDV531-S23 is an 8-channel digital output module engineered for use within safety instrumented systems (SIS). Operating at 24 V DC, this module /fers isolated outputs and is ideal for critical applications where reliable and secure switching / field devices is necessary. It is designed for use in the ProSafe-RS system, ensuring high integrity and performance in industrial automation environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル | SDV531-S23 |
| Number / Output Channels | 8 (isolated) |
| Output Voltage | 24 V DC |
| Output Voltage Drop | Max 1 V |
| Output Format | Current Source |
| Max Load Current (Per Channel) | 0.6 A |
| Max Total Output Current | 4.8 A |
| Min Load Current | 35 mA |
| Load Resistance Range | 40 to 685 Ω |
| Max Leakage Current (OFF state) | 1.6 mA |
| Output Response Time | ≤ 30 ms |
| External Power Supply | 24 V DC +20% / –10%, 5 A min. |
| Withstand Voltage | 2 kV AC (1 min) |
| Current Consumption (5 V DC) | Max 280 mA |
| Current Consumption (24 V DC) | Max 140 mA |
| Dimensions | 130 × 107.5 × 32.8 mm |
| 重量 | Approx. 0.28 kg |
| External Connections | Pressure clamp, MIL cable, AKB331/AKB651 |
Applications
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Emergency shutdown (ESD) systems
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Fire & gas protection systems
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Process safety interlocks
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Critical valve actuation control
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Machinery protection relays
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Safety alarm activation systems
Key Advantages
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High reliability with isolated channels
-
Designed for safety-critical systems (SIL applications)
-
Integrated diagnostics eliminate the need for external wiring checks
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Wide load compatibility and fast response time
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Modular and space-saving format for control cabinets
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Compatible with dual-redundant configurations
よくある質問 (FAQ)
Q1: What is the primary function / the SDV531-S23?
A1: It outputs on//f control signals to field devices in safety-critical applications.
Q2: How many output channels are provided?
A2: The module provides 8 isolated output channels.
Q3: What type / output signal does it support?
A3: It supports current sourcing output signals.
Q4: Is the SDV531-S23 suitable for redundant systems?
A4: Yes, it supports dual-redundant configurations.
Q5: What type / field wiring connections are available?
A5: Pressure clamp terminals, MIL cable, and dedicated signal cables like AKB331.
Q6: What is the voltage tolerance for external power supply?
A6: The supply can range from 21.6 V to 28.8 V DC (24 V ±20%).
Q7: Can it detect wiring faults?
A7: Yes, the module includes built-in field wiring diagnostics.
Q8: What is the typical application in an SIS?
A8: Output control for shutdown valves, alarms, and solenoids.
Q9: Does the module require a separate power supply for logic and outputs?
A9: Yes, it draws current from both 5 V DC and 24 V DC supplies.
Q10: What standard certifications does it comply with?
A10: It complies with Yokogawa’s ProSafe-RS standards for safety systems.
Related Yokogawa モデルs (Same Series or Function)
| モデル | Channels | Output Voltage | Max Current per Channel | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| SDV521 | 4 | 24 V DC | 2 A | 130 × 107.5 × 32.8 | 0.36 kg |
| SDV541 | 16 | 24 V DC | 0.2 A | 130 × 107.5 × 32.8 | 0.29 kg |
| SDV53A | 8 | 48 V DC | 0.6 A | 130 × 107.5 × 32.8 | 0.46 kg |
| SDV526 | 4 | 100–120 V AC | 0.5 A | 159.8 × 94 × 32.8 | 0.36 kg |
| SDV144 | 16 (Input) | – | – | 130 × 107.5 × 32.8 | 0.36 kg |
| SDV531-L | 8 | 24 V DC | 0.6 A | 130 × 107.5 × 32.8 | 0.28 kg |
Popular Yokogawa モデルs (Same ブランド)
| モデル | Type | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|---|
| PW402 | Power Module | 24 V DC Power Supply for FIO | 130 × 107.5 × 32.8 | 0.26 kg |
| ALR121-S50 | Relay Output Module | Alarm output, 4-ch, 24 V DC | 130 × 107.5 × 32.8 | 0.34 kg |
| ADV551 | Analog Output Module | 4-ch, 4–20 mA output | 130 × 107.5 × 32.8 | 0.29 kg |
| AAI143-S50 | Analog Input Module | 16-ch, 4–20 mA input | 130 × 107.5 × 32.8 | 0.28 kg |
| AAI841 | HART Analog Input | 8-ch, HART-enabled | 130 × 107.5 × 32.8 | 0.30 kg |
| SAI533 | Isolated Digital Input | 16-ch, 24 V DC input | 130 × 107.5 × 32.8 | 0.33 kg |
会社情報
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