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- Yokogawa
- ADV151-DI32
- Digital Input Module
- Japan
- 3.2 cm × 10.7 cm × 7.6 cm
- 0.3kg
- Xiamen, China
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Product Overview
Brand: Yokogawa
Series: ADV151 Series – Digital Input Modules (24 V DC domain)
Model: ADV151‑DI32
The ADV151‑DI32 is a 32‑channel digital input module designed for industrial automation and control systems that require robust acquisition of discrete 24 V DC signals. This module is part of the ADV151 family, intended for use in mission‑critical installations like DCS (Distributed Control Systems) environments, process plants, manufacturing lines and utility‑grade installations. It accepts field ON/OFF signals (from switches, sensors, pushbuttons) and converts them into logic‑level data for the control system. It supports sink/source 24 V DC input, offers high isolation, fast response, and is designed for modular I/O racks and redundant system architectures.
Technical Specifications
| Parameter | Description |
|---|---|
| Number of input channels | 32 channels |
| Rated input voltage | 24 V DC (sink/source compatible) |
| Input ON voltage | 18 to 26.4 V DC |
| Input OFF voltage | ≤ 5.0 V DC |
| Typical input current | ≈ 4.1 mA per channel (±20 %) |
| Maximum allowable input voltage | 30.0 V DC |
| Withstand voltage (input ↔ system) | 2 kV AC for 1 minute |
| Withstand voltage (between commons – every 16 channels) | 500 V AC for 1 minute |
| Input response time (status input) | ≤ 8 ms |
| Minimum ON detection time (pushbutton input mode) | ≈ 20 ms |
| Maximum ON/OFF cycle (pushbutton input mode) | Up to 25 Hz |
| Dimensions (W × H × D) | Approx. 3.2 cm × 10.7 cm × 7.6 cm |
| Weight | Approx. 0.30 kg |
| Operating temperature range | –20 °C to +70 °C (depending on variant) |
| Field wiring connection | Pressure clamp terminals or dedicated cable (e.g., AKB331) |
Applications
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Capturing 24 V DC discrete ON/OFF signals from field devices such as limit switches, selector switches, pushbuttons and proximity sensors in automation systems.
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Integration into distributed control systems (DCS) or modular I/O rack systems in process plants, power generation, utilities, petrochemical industries where high‑integrity digital input is required.
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Use in redundant I/O rack/back‐plane architectures where high availability and fault tolerance are essential.
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Monitoring of machine interlocks, safety switch indications, emergency stop signals, conveyor statuses in manufacturing and plant automation.
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Building automation and infrastructure installations: monitoring discrete signals from switchgear panels, alarm systems, lighting controls, facility management.
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Retrofit or system expansion use: replacing older discrete input modules with higher‑density modern modules while leveraging existing wiring and interface architecture.
Advantages
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High channel density: 32 discrete input channels in a single compact module significantly reduces rack and wiring footprint.
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Robust electrical isolation and immunity: Withstand voltage of 2 kV AC (input to system) and 500 V AC (between commons) ensures high noise immunity in industrial environments.
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Fast response and pushbutton support: Response time ≤ 8 ms and minimum ON detection ~20 ms allow both status and pushbutton/edge counting functions.
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Compact size and lightweight: Approx. 3.2 cm wide and ~0.30 kg weight make installation, replacement or maintenance simpler and less burdensome.
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Wide ambient ruggedness: Operating range down to –20 °C and up to +70 °C (depending on version) supports demanding and harsh field environments.
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Modular system compatibility: Designed for plug‑in use in modular I/O racks/back‑plane, simplifying upgrades or maintenance.
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Proven brand ecosystem: As part of Yokogawa’s ADV15x family, it benefits from long field service record, spare parts availability and system compatibility.
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Scalable architecture: Provides a scalable discrete input solution across multiple channel counts and variants, able to adapt to system growth and changing requirements.
Brand & Series Information
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Brand: Yokogawa
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Series: ADV151 Series – Digital Input Modules (24 V DC domain)
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Category: Digital Input Module (Discrete DC signals)
The ADV151 family includes modules of 32 channels (24 V DC input) and is often used alongside ADV161 (64 channels) in higher capacity systems. Variants support status input, pushbutton edge counting and system redundancy options.
Recommended Related Models (Same Series or Adjacent)
| Model | Description |
|---|---|
| ADV151‑P50 | 32‑channel digital input module 24 V DC, standard version with pushbutton input, status input options. |
| ADV151‑P53 | 32‑channel digital input 24 V DC, variant with enhanced temperature rating or diagnostics. |
| ADV151‑D132 | 32‑channel digital input module, variant focused on system integration and redundancy support. |
| ADV151‑E50 | 32‑channel digital input module 24 V DC, variant with SOE (Sequence of Events) capture functionality. |
| ADV161‑P50 | 64‑channel digital input module 24 V DC, higher channel count version for large‑scale I/O systems. |
Recommended Popular Models (Same Brand)
| Model | Description |
|---|---|
| ADR541‑P50 | 16‑channel Relay Output Module (24 V DC / 100–240 V AC) for load switching and output control. |
| ADV551‑P53 | 32‑channel Digital Output Module (24 V DC outputs) suited for actuator and driver control. |
| ADV157‑S50 | 32‑channel DC Digital Input Module (24 V DC input), compact and simpler variant of discrete input modules. |
| AAI141‑S50 | Analog Input Module (4–20 mA signal acquisition) for process measurement and monitoring tasks. |
| AAV142‑S50 | Analog I/O Module (mixed analog input/output) for large process control systems requiring both analog and digital signals. |
FAQ (10 Questions & Answers)
Q1: What input voltage does the ADV151‑DI32 support?
A1: It is designed for 24 V DC input signals (sink/source compatible) for its 32 channels.
Q2: How many channels does this module provide?
A2: It offers 32 independent digital input channels.
Q3: What are the module’s approximate dimensions and weight?
A3: Dimensions roughly 3.2 cm width × 10.7 cm height × 7.6 cm depth, and the weight is about 0.30 kg.
Q4: Can this module be used in redundant I/O configurations?
A4: Yes — parts of the ADV151 family (including variants like DI32) are compatible with dual‑redundant I/O rack/back‑plane architectures for high‑availability.
Q5: Does it support pushbutton edge counting functions or only ON/OFF status?
A5: Yes — it supports both status input detection and pushbutton edge counting (minimum ON detection ~20 ms, maximum ON/OFF cycle up to 25 Hz).
Q6: What is the input response time?
A6: The standard status input response time is ≤ 8 ms.
Q7: What isolation protection is provided?
A7: It offers 2 kV AC isolation between input signals and system, and 500 V AC between common groups (every 16 channels) for 1 minute.
Q8: Is it suitable for harsh ambient conditions (temperature, humidity)?
A8: Yes — operating range extends from –20 °C up to +70 °C depending on variant, and it is built for industrial environments.
Q9: What wiring or connections are used for field devices?
A9: Field wiring is typically connected via pressure‑clamp terminals or dedicated cable connectors (such as AKB331).
Q10: Can this module replace older discrete input modules in an existing system?
A10: Yes — provided the rack/back‑plane architecture and control system support the ADV151 series modules, the ADV151‑DI32 can be used as a modern replacement or upgrade for discrete 24 V DC input applications.
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