Digital Output Module | Yokogawa ADV551-P00 S2
Manufacturer: Yokogawa
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Part Number: ADV551-P00 S2
Condition：New with Original Package
Product Type: Digital Output Modules
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa ADV551-P00 S2 Digital Output Modules
The Yokogawa ADV551-P00 S2 serves as the primary ADV551 Digital Output Module utilized to execute 24 VDC current-sink field switching across Yokogawa CENTUM VP platforms.
Suffix Breakdown & Model Matrix
| Base Model | Suffix / Option Code | Description / Specification |
|---|---|---|
| ADV551 | -P | With pulse width output / time-proportioning output functionality |
| 0 | Basic type | |
| 0 | Basic style | |
| S2 | Style S2 revision for updated hardware release |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ADV551-P00 S2 (Base Model: ADV551) |
| Brand | Yokogawa |
| Origin | Indonesia / Japan |
| Weight | 0.2 kg |
| Dimensions | 32.8 mm x 102.2 mm x 130 mm |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | 700 mA at 5 VDC (Backplane); 60 mA at 24 VDC (External) |
| Output Channels | 32 channels |
| Rated Output Voltage | 24 VDC (External power range: 20.4 to 26.4 VDC) |
| Output Format | Current sink transistor |
| Maximum Load Current | 100 mA per channel at 26.4 VDC |
| Maximum Output ON Voltage | <= 2 VDC |
| Maximum OFF Leakage | 0.1 mA |
| Channel Isolation | Common minus side every 16 channels |
| Withstanding Voltage | 2 kV AC for 1 minute (signal to system); 500 V AC for 1 minute (between commons) |
| Cable Interface | Pressure-clamp terminal block, AKB331 cable, or MIL cable |
Process Control & Channel-to-Channel Isolation Architecture
Yokogawa CENTUM VP process control systems utilize galvanic optocoupler isolation arrays to isolate external 24 VDC field load loops from backplane microprocessors. The module breaks its 32 digital output transistor circuits into two isolated groups of 16 channels, each utilizing a common negative power rail. Internal high-speed switching transistors handle status switching, one-shot pulse outputs, and time-proportioning duty cycles down to an 8 ms resolution while maintaining a 2 kV AC dielectric withstand rating between field loops and internal system buses.
Frequently Asked Questions
Q: What output timing modes can be configured on individual channels?
A: Channels support standard continuous ON/OFF status output, one-shot pulse-width outputs ranging from 8 ms to 7,200 seconds, and time-proportioning duty cycles.
Q: How is external loop power distributed across the 32 channels?
A: External 24 VDC control power is supplied to the module's power terminal connections to drive field loads, consuming up to 60 mA internally to power the high-side load driver electronics.
Q: Can this module operate in a fault-tolerant dual-redundant pairing?
A: Yes, two ADV551-P00 S2 modules can install in paired subrack slots on a dual-redundant baseplate to maintain uninterrupted discrete signal switching during hardware maintenance.
Field Installation Guidelines
Verify that external 24 VDC power supplies and backplane rack power are turned off prior to inserting or extracting the module.
Ensure field wiring harnesses for high-inductive loads (such as large relay coils or solenoid valves) incorporate suppressors or flyback diodes installed near the load to prevent back-EMF voltage spikes from damaging the open-collector output transistors.
Connect external terminal blocks or AKB331 pre-fabricated cables securely using integrated locking screws, and route signal cables separately from high-voltage AC conductors to prevent induced electromagnetic noise.