Overview
Configured for transistor-based digital signal execution in Yokogawa CENTUM VP and CENTUM CS 3000 Distributed Control Systems, the Yokogawa ADV551-P00/D5A00 (ADV551 Digital Output Module) provides direct physical switching control for external field devices through 32 isolated 24 VDC output channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ADV551-P00/D5A00 |
| Brand | Yokogawa |
| Product Type | Digital Output Module (Transistor Contact) |
| Origin | Japan |
| Weight | Approx. 0.20 kg |
| Power Consumption | 700 mA max at 5 VDC internal logic; 60 mA max external power supply |
| System Platform | CENTUM VP / CENTUM CS 3000 DCS |
| Output Channels | 32 isolated channels |
| Output Signal Type | Transistor contact, current sink output |
| Rated Applied Voltage | 24 VDC |
| Load Voltage Range | 24 VDC, 50 mA per channel |
| External Power Supply Range | 20.4 VDC to 26.4 VDC |
| Maximum Load Current | 100 mA per channel at 26.4 VDC |
| Maximum Output ON Voltage | 2.0 VDC |
| Maximum Leakage Current | 0.1 mA at OFF state |
| Output Response Time | <= 3 ms for standard status output |
| Isolation Voltage | 2 kVAC for 1 minute between output signal and system; 500 VAC for 1 minute between commons every 16 channels |
| External Connection | KS Cable Interface Adapter (/D5A00), MIL connector cable, or pressure clamp terminals |
| Redundancy Function | Supports dual-redundant configuration |
Channel Isolation and DCS Output Execution
The ADV551-P00/D5A00 applies Yokogawa DCS I/O design principles with channel-to-channel isolation for discrete output circuits. The module receives output commands from the CENTUM controller network and converts internal logic states into transistor contact switching signals.
Furthermore, the isolated output architecture separates field-side loads from system-side electronics. Therefore, relay coils, solenoid valves, and indicator devices can operate with reduced interaction between individual output circuits.
Frequently Asked Questions
Q: What type of field signals does the ADV551-P00/D5A00 generate?
A: The module generates 24 VDC transistor contact outputs using a current sink configuration for external discrete devices.
Q: Does the ADV551-P00/D5A00 support redundant operation?
A: Yes. The module supports dual-redundant configurations when installed in compatible Yokogawa CENTUM system architectures.
Q: What connection methods are available for the /D5A00 option?
A: The /D5A00 option provides a KS Cable Interface Adapter for high-density wiring. The module also supports MIL connector cables and pressure clamp terminals.
Field Installation Guidelines
- Install the module only in compatible Yokogawa CENTUM VP or CENTUM CS 3000 I/O configurations.
- Verify the external 24 VDC supply polarity before connecting field devices.
- Separate field power wiring from low-level communication and signal wiring to reduce electrical interference.
- Connect cable shields according to the cabinet grounding design and local installation standards.
- Confirm output load ratings before connecting relay coils, solenoid valves, or indicator lamps.
- Inspect connector seating and terminal fastening before system power application.
- Verify channel assignment through the DCS engineering database before commissioning output operations.
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