Technical Overview
The ADV559 is a high-density digital output module for the Yokogawa CENTUM-ST system. It provides 32 transistor-based DC output channels for reliable switching of external devices such as solenoids, interposing relays, and indication circuits.
Designed with full channel-to-channel isolation, the ADV559 minimizes electromagnetic interference and prevents fault propagation, ensuring stable operation in electrically noisy industrial environments.
Hardware Capabilities and Specifications
| Item | Specification |
|---|---|
| Output Density | 32 discrete output channels |
| Output Type | Transistor contact outputs |
| Rated Load Voltage | ≤ 30 V DC |
| Maximum Load Current | 100 mA per channel |
| Channel Isolation | Fully isolated, channel-to-channel |
| Output Response Time | ≤ 16 ms |
| Configurable Pulse Width | 8 ms to 7,200 s |
| Current Consumption | 570 mA @ 5 V DC (logic side) |
| System Connectivity | KS2 dedicated system cable |
| Backplane Compatibility | ST4 slots (CENTUM-ST racks) |
| Module Weight | 0.30 kg |
Operational Applications
The ADV559 is commonly used in legacy system maintenance, capacity expansion, and migration projects within existing CENTUM-ST installations. Typical applications include:
-
Actuation of alarm annunciators
-
Sequencing of pneumatic pilot valves
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Driving interposing relays for higher-power loads
-
Status signaling to auxiliary or safety-related systems
Technical FAQs
Can the ADV559 directly switch AC loads?
No. The ADV559 supports DC loads only (up to 30 V DC). AC loads must be driven through interposing relays to avoid damage to the transistor outputs.
What is the advantage of fully isolated output channels?
Channel isolation prevents faults such as short circuits or surge events on one output from affecting the remaining channels, improving system availability and fault containment.
Is the ADV559 compatible with CENTUM VP systems?
The ADV559 is a native CENTUM-ST module. While limited integration may be possible using dedicated bus conversion solutions, it is primarily intended for ST-based architectures.
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