The Yokogawa ADV151-P03, also cataloged as the ADV151 Digital Input Module, operates as a dedicated hardware component for ON/OFF signal acquisition within CENTUM VP Distributed Control System (DCS) platforms.
| Parameter | Specification |
|---|---|
| Model | ADV151-P03 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.30 kg |
| Channels | 32-channel input |
| Rated Input Voltage | 24 V DC (sink/source) |
| Input ON Voltage | 18 to 26.4 V DC |
| Input OFF Voltage | Less than or equal to 5.0 V DC |
| Input Current | 4.1 mA (plus or minus 20 percent per channel) |
| Max Allowable Voltage | 30 V DC |
| Withstanding Voltage | 2 kV AC (input-to-system, 1 min); 500 V AC (between commons, 1 min, every 16 channels) |
| Power Consumption | 500 mA (5 V DC) |
| Response Time | Less than or equal to 8 ms (status input) |
| Redundancy | Supports dual redundant configuration |
| Certifications | CE, UL, ISA G3 |
The ADV151-P03 incorporates channel-to-channel isolation architecture segmented into two discrete groups of 16 channels each. This isolation topology prevents transient electrical surges from propagating across the internal system backplane. Designed specifically for the FIO architecture of the CENTUM VP system, the module coordinates direct edge-counting execution and status input detection at a hardware level, eliminating reliance on software polling loops. It integrates hardware-level digital filtering to suppress high-frequency line noise and mechanical switch bounce, ensuring deterministic signal state transitions back to the main control processors.
Q: Does the module support online hot-swap operations within a redundant architecture?
A: Yes. When deployed in a dual redundant configuration on an active FIO node, a faulty module can be extracted and replaced without interrupting power to the backplane or terminating the signal acquisition of the partner module.
Q: What are the specific power distribution constraints across the input channels?
A: The module accommodates both sink and source wiring topologies, but all 24 V DC signals routed to the module must share the identical electrical polarity across all 32 channels to prevent damage to the internal logic circuitry.
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