Description
Yokogawa ADV551-P50/D5A00 Digital Output Modules
Configured for 32-channel discrete signal execution in CENTUM-compatible DCS architectures, the Yokogawa ADV551-P50/D5A00 (ADV551 Digital Output Modules) provides direct current sink output handling for field-side status and pulse transmission circuits. The module integrates pulse width output capability together with a KS Cable Interface Adapter for 32-channel digital interfacing.
Suffix Breakdown & Model Matrix
| Code Segment |
Description |
| ADV551 |
Digital Output Module |
| P |
With pulse width output function/time-proportional output function |
| 5 |
Without status display; without explosion protection |
| 0 |
Basic type |
| /D5A00 |
With KS Cable Interface Adapter for 32-channel Digital (ATD5A-00) |
Hardware Specifications
| Parameter |
Specification |
| Model |
ADV551-P50/D5A00 |
| Brand |
Yokogawa |
| Product Type |
Digital Output Modules |
| Number of Channels |
32 |
| Rated Input Voltage |
24 V DC |
| Load Voltage |
24 V DC, 50 mA |
| Output Format |
Current sink |
| External Power Supply Range |
20.4 to 26.4 V DC |
| Output Response Time |
3 ms max (status output), 10 ms max (mixed status/pulse output) |
| Pulse Width Range |
8 ms to 7200 s |
| Pulse Width Resolution |
8 ms |
| Withstanding Voltage |
2 kV AC for 1 minute between output signal and system |
| Common Isolation Voltage |
500 V AC for 1 minute between commons |
| Isolation Structure |
Common minus (-) side every 16 channels |
| Option Adapter |
ATD5A-00 KS Cable Interface Adapter |
| Weight |
0.2 kg |
| Origin |
Japan |
Channel Isolation and DCS Signal Integrity
The ADV551-P50/D5A00 module implements grouped common isolation architecture with separation applied every 16 channels on the common minus side. This arrangement reduces inter-channel interference during simultaneous status and pulse output operation within distributed control system signal paths.
The current sink output structure is intended for 24 V DC field-side switching circuits where external supply regulation remains within the specified 20.4 to 26.4 V DC operating window. Pulse width output handling supports both short-duration command pulses and extended time-proportional output cycles up to 7200 s.
Dielectric isolation ratings include 2 kV AC withstand capability between output signals and system circuitry, together with 500 V AC isolation between grouped commons for one minute test duration.
Frequently Asked Questions
Q: Does the ADV551-P50/D5A00 support pulse-based output operation?
A: Yes. The module includes pulse width output and time-proportional output functions with selectable pulse durations from 8 ms to 7200 s.
Q: What output topology is used by the module?
A: The module uses a current sink output format intended for 24 V DC discrete field output circuits.
Q: Are all 32 channels isolated individually?
A: No. The common minus side is grouped in 16-channel sections with isolation applied between commons according to the specified 500 V AC withstand rating.
Field Installation Guidelines
-
Verify external field supply voltage remains within the specified 20.4 to 26.4 V DC range before energizing output circuits.
-
Separate pulse output wiring from high-current motor or relay cabling to reduce inductive noise coupling into digital signal paths.
-
Maintain shield grounding at a single designated control cabinet grounding point to prevent ground loop circulation.
-
Confirm KS Cable Interface Adapter alignment and connector seating before applying field power to the module assembly.
-
Do not route low-level signal cables in parallel with AC mains conductors inside shared cable trays without metallic segregation.
