Description
Product Description
The Yokogawa ASD143‑P00 is a high-performance 16-channel digital input module engineered for distributed control and safety systems, including CENTUM and ProSafe platforms. Designed for NAMUR-compliant signals, this module integrates an internal barrier to provide intrinsic safety, making it ideal for hazardous zones and electrically noisy environments.
Key Features
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16 fully isolated digital input channels for reliable signal acquisition
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NAMUR (IEC 60947‑5‑6) compatible input standard
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Built-in intrinsic safety barrier for hazardous-area applications
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High voltage tolerance: withstands up to 1500 V AC
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Fast input response time: 15 ms
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Supports pulse counting and pushbutton signal detection
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Pushbutton ON detection ≥ 20 ms
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Maximum ON/OFF switching frequency: 25 Hz
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Compact and robust design for stable operation in industrial environments
Technical Specifications
Input & Signal Characteristics
| Parameter | Specification |
|---|---|
| Channels | 16 (isolated) |
| Input Type | NAMUR (IEC 60947‑5‑6) |
| Withstand Voltage | 1500 V AC |
| Input Response Time | 15 ms |
| Pushbutton ON Detection | ≥ 20 ms |
| Max ON/OFF Frequency | 25 Hz |
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Current Consumption (5 V DC) | 150 mA |
| Current Consumption (24 V DC) | 110 mA |
| Dimensions | 3.8 × 12.7 × 15.2 cm |
| Weight | 0.5 kg |
Applications
The ASD143‑P00 module is suitable for:
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Process monitoring in chemical, petrochemical, and power plants
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Safety and interlock systems requiring intrinsic safety compliance
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Distributed control systems needing stable, isolated digital inputs
FAQ
Q: Can the module handle noisy industrial environments?
A: Yes, the built-in barrier and isolation protect the module against electrical noise and hazardous-area conditions.
Q: Is this module compatible with standard NAMUR sensors?
A: Yes, it fully complies with IEC 60947‑5‑6 (NAMUR) signal specifications.
Q: What is the maximum pulse input frequency?
A: It supports up to 25 Hz ON/OFF cycles, with a minimum 20 ms pushbutton detection.
Q: How does it compare to ASD144 modules?
A: While both support isolated digital inputs, the ASD143‑P00 integrates a built-in intrinsic safety barrier specifically for hazardous zones, whereas ASD144 may require external barriers.
Features
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