Configured for high-density discrete signal distribution in DCS and remote I/O networks, the Yokogawa ADV551-P50 (ADV551-P50 Digital Output Module) provides direct physical/electrical execution of digital control commands to field-mounted actuators and relay interfaces.
| Parameter | Specification |
|---|---|
| Model | ADV551-P50 |
| Brand | Yokogawa |
| Origin | USA |
| Weight | 0.3 kg |
| Dimensions | 5.1 x 10.7 x 12.7 cm |
| Operating Temp | Standard DCS environment requirements |
| Power Consumption | 700 mA (5 V DC), 60 mA (external supply) |
| Number of Channels | 32 isolated outputs |
| Output Signal | 24 V DC sink/source transistor |
| Output Current | Up to 0.5 A per channel |
| Response Time | ≤3 ms (status outputs) |
The ADV551-P50 manages 32 independent output channels, each featuring channel-to-channel isolation to mitigate crosstalk and ground loop interference. The module maintains 4-20 mA loop-equivalent robustness in digital state switching, utilizing a high-speed backplane interface for seamless integration with CENTUM VP field control stations. Each channel includes status monitoring diagnostics, which report output health directly to the host processor, ensuring deterministic fault detection in time-critical control loops. The isolation architecture provides a 2 kV AC withstand voltage between the output and system logic, maintaining signal integrity in electrically noisy industrial environments.
Q: Does the ADV551-P50 support hot-swapping during active system operation?
A: Hot-swapping is supported provided the rack backplane and the control station configuration are set for redundant operation. Always verify that the secondary module is fully synchronized and holding the active state before removing the primary unit.
Q: Is the output current rating consistent across all application configurations?
A: No, the output current capacity varies based on the specific hardware revision and suffix codes. Users must verify the technical data sheet for the exact suffix (e.g., 100 mA versus 0.5 A per channel) prior to connecting high-load field devices.
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