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 Introduction
The Yokogawa SDV144-S53/STB4D-00 is a high-reliability 16-channel digital input module designed for safety-critical applications within the ProSafe-RS Safety Instrumented System (SIS). It interfaces with 24 V DC field devices, providing isolation and fault tolerance for reliable signal acquisition. The STB4D-00 dual-redundant terminal configuration ensures continuous operation even in case of module faults.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | SDV144-S53/STB4D-00 |
| Input Channels | 16 |
| Input Type | Dry contact (no-voltage) |
| Input Voltage | 24 V DC nominal |
| Input Current | Approx. 6 mA per channel at 0 Ω |
| Input Resistance | ON: ≤1 kΩ, OFF: ≥100 kΩ |
| Input Response Time | ≤40 ms |
| Withstand Voltage | 2 kV AC between input and system for 1 min |
| Current Consumption | 5 V DC: ≤290 mA, 24 V DC: ≤140 mA |
| External Power Supply | 24 V DC ±20% (200 mA max) |
| External Connections | Dual-redundant pressure clamp terminal, MIL cable, or dedicated signal cable |
| Dimensions (W×H×D) | 130 × 32.8 × 107.5 mm |
| Weight | 0.36 kg |
Applications
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Safety Instrumented Systems (SIS)
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Emergency Shutdown Systems (ESD)
-
Fire and Gas Detection Systems
-
Critical Process Monitoring and Control
Advantages
-
Dual-redundant terminal block for enhanced fault tolerance
-
High-speed response for emergency safety applications
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Isolation between field signals and control system for improved reliability
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Compact design with low power consumption
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Suitable for harsh industrial environments
Frequently Asked Questions (FAQ)
1. What type of input does the SDV144 module support?
It supports dry contact (no-voltage) digital inputs with a nominal voltage of 24 V DC.
2. How many channels does this module have?
The module includes 16 digital input channels.
3. What is the input response time?
The response time is ≤40 ms per channel.
4. Can this module operate in harsh environments?
Yes, it is designed to operate reliably in industrial environments with temperatures from -20°C to 70°C.
5. What are the power requirements?
External power supply: 24 V DC ±20%, with current consumption of 200 mA maximum.
6. What connection options are available?
It can be connected via dual-redundant pressure clamp terminals, MIL cables, or dedicated signal cables.
7. What is the advantage of the STB4D-00 terminal block?
The dual-redundant design provides enhanced reliability and fault tolerance for critical applications.
8. Is the module isolated from the control system?
Yes, isolation is provided between the input signals and the control system to ensure safety.
9. What is the weight and dimensions of the module?
Dimensions: 130 × 32.8 × 107.5 mm; Weight: 0.36 kg.
10. Can this module be used in emergency shutdown systems?
Yes, it is fully compatible with SIS, ESD, and other critical safety applications.
Recommended Related Models (Same Series or Related)
| Model | Channels | Input Type | Voltage | Weight |
|---|---|---|---|---|
| SDV144-S33 | 16 | Dry contact | 24 V DC | 0.36 kg |
| SDV144-S53 | 16 | Dry contact | 24 V DC | 0.36 kg |
| SDV144-S53/STB4S-00 | 16 | Dry contact | 24 V DC | 0.36 kg |
| SDV144-S53/STB4S-10 | 16 | Dry contact | 24 V DC | 0.36 kg |
| SDV144-S53/STB4D-10 | 16 | Dry contact | 24 V DC | 0.36 kg |
| SDV144-S33/STB4D-00 | 16 | Dry contact | 24 V DC | 0.36 kg |
Popular Yokogawa Models
| Model | Function | Channels | Voltage | Weight |
|---|---|---|---|---|
| SDV144-S53 | Digital Input | 16 | 24 V DC | 0.36 kg |
| SDV144-S33 | Digital Input | 16 | 24 V DC | 0.36 kg |
| SDV146-S53 | Digital Output | 16 | 24 V DC | 0.38 kg |
| SDV148-S53 | Analog Input | 8 | 4-20 mA | 0.40 kg |
| SDV150-S53 | Analog Output | 8 | 4-20 mA | 0.40 kg |
| SDV152-S53 | Relay Output | 16 | 24 V DC | 0.36 kg |
