ADV159-P00 | Yokogawa CENTUM VP | 32-Channel Digital Input Module

Product Overview

The Yokogawa ADV159-P00 serves as a high-density, isolated digital input interface for the CENTUM VP Distributed Control System. This 32-channel module captures discrete signals from field equipment, supporting both standard contact inputs and specialized voltage inputs. With integrated support for pushbutton functions and transistor contact outputs, the ADV159-P00 facilitates complex operator-machine interaction and high-speed status monitoring in mission-critical process environments.

Condition: 100% Brand New and Original Factory Sealed.

Part Number Breakdown: ADV159-P00

Yokogawa utilizes specific alphanumeric codes to denote functionality and hardware revisions:

• ADV159: Digital Input Module (32-channel, Isolated).

• -P: Pressure-clamp terminal connection style.

• 0: Basic type hardware specification.

• 0: Standard model version for universal subrack compatibility.

Technical Specifications

The ADV159-P00 provides precise electrical thresholds for binary signal detection.

• Number of Channels: 32, fully isolated

• Contact Input Requirements: * ON Signal: 200 $\Omega$ or less

• OFF Signal: 100 k$\Omega$ or more

• Short Circuit Current: 1.25 mA (Minimum)

• Voltage Input Thresholds: * ON Signal: $\pm$1 V DC

• OFF Signal: 4.5 to 25 V DC

• Input Contact Rating: 5 V DC, 20 mA or more

• Response Time: * Status Input: $\le$ 8 ms

• Pushbutton Input: $\le$ 20 ms

• Output Signal: Transistor contact

• Output Rating: 30 V DC, 100 mA (Inductive/Resistive loads)

Engineering Advantages

• Native Pushbutton Logic: The ADV159-P00 includes dedicated firmware support for pushbutton inputs. This feature eliminates the need for complex software debouncing or latching logic in the main controller, reducing CPU overhead and simplifying operator interface programming.

• High-Integrity Channel Isolation: Individual channel isolation prevents electrical noise, ground loops, and cross-channel interference. This architecture ensures that a fault on one field instrument does not propagate to neighboring channels or the internal DCS system bus.

• Dual-Signal Versatility: The module accommodates both dry contact and voltage-level signals. This versatility allows engineers to mix different types of field instrumentation on a single module, optimizing rack space and reducing the total variety of spare parts required.

• Rapid Response Execution: An 8 ms response time for status inputs enables real-time tracking of high-speed industrial sequences. This speed proves vital for sequence-of-events (SOE) recording and safety-critical interlocking where millisecond accuracy prevents equipment downtime.

• Rugged Transistor Outputs: The integrated transistor contacts drive small relays or signaling LEDs directly. Supporting up to 100 mA at 30 V DC, these outputs provide local feedback loops without requiring additional digital output cards.

FAQs

• Does the ADV159-P00 require an external power supply for inputs?

  The module provides the necessary sensing voltage for dry contact inputs. However, if you utilize the voltage input mode, the field device must provide the 4.5 to 25 V DC signal level to trigger the OFF state.

• What is the primary application for the 20 ms pushbutton response time?

  The 20 ms window acts as a built-in filter to distinguish intentional operator actions from mechanical contact bounce or transient electrical interference, ensuring the DCS registers a clean, singular command.

• Can I mix inductive and resistive loads on the transistor outputs?

  Yes. The output contacts handle both load types up to 100 mA. For highly inductive loads, we recommend installing external suppression diodes to protect the transistor junctions from back-EMF spikes.

• Is the ADV159-P00 hot-swappable in a running system?

  In a redundant I/O configuration, you can replace the module without interrupting the process. For non-redundant loops, always follow your facility's safety bypass procedures, as all 32 inputs will lose signal during the swap.