The Yokogawa ADV561-P50, also cataloged as the ADV561 Digital Output Module, operates as a dedicated hardware component for pulse width and time-proportional output execution within Yokogawa Centum VP platforms. Configured for direct electrical driving of external industrial loads, the module processes logic command signals from the system processor into distinct physical field states across 64 isolated channels.
| Parameter | Specification |
|---|---|
| Model | ADV561-P50 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg |
| Dimensions | 3.8 cm x 12.7 cm x 14.0 cm |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | 700 mA @ 5 V DC |
| Output Channels | 64 isolated digital outputs |
| Operating Voltage | 24 V DC (range: 20.4 to 26.4 V DC) |
| Max Load Current | 100 mA per channel |
| Leakage Current (OFF) | Max 0.1 mA |
| Response Time | Max 3 ms |
| Pulse Width Range | 8 ms to 7200 s (programmable) |
| Isolation Voltage | 2 kV AC (output to system), 500 V AC (between commons) |
| Common Grouping | 4 commons (16 channels per common) |
The module implements 4-20 mA HART loop protocol emulation mechanics through its time-proportional output functionality, alongside robust channel-to-channel isolation matrices across the four distinct common groups. This electrical isolation framework shields the internal system backplane from field-side transients up to 2 kV AC. The continuous monitoring of leakage current during the OFF state (restricted to 0.1 mA) ensures high signal fidelity when interfacing with high-impedance interposing relays or field instrumentation indicators.
Q: What are the specific power supply requirements for the field-side channels?
A: The module requires an external, regulated 24 V DC power supply operating within the 20.4 to 26.4 V DC threshold to power the 64 output channels, as the internal backplane 5 V DC bus only supplies logic-side power.
Q: What occurs if the continuous current load on an individual channel exceeds 100 mA?
A: Exceeding the 100 mA channel current rating will trigger internal thermal or overcurrent stress, leading to hardware degradation or permanent failure of the solid-state output switch component on that specific channel.
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