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- Yokogawa
- ADV161-P51
- Digital Input Module
- Japan
- 130 mm × 119.9 mm × 32.8 mm
- 0.3kg
- Xiamen, China
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Product Model: Yokogawa ADV161-P51
Brand: Yokogawa
Series: ADV161 Series – Digital Input Modules
Product Introduction
The ADV161-P51 is a 64-channel digital input module of the ADV161 series, designed for industrial control and automation systems. It is built for receiving 24 V DC ON/OFF signals from field devices such as switches, sensors, pushbuttons and alarms, and feeding these signals into the automation system for monitoring and control.
In particular, the “P51” suffix suggests a variant within the ADV161 family, which may offer push-button input functionality and specific configuration (for example, pushbutton detection and channel density) while maintaining full compatibility with the ADV161 platform. The module delivers high channel density, strong insulation and robust design to suit harsh industrial environments.
It integrates seamlessly into Yokogawa DCS platforms (such as CENTUM, CS, VP) and offers a compact footprint and reliable signal acquisition for process automation, power, water treatment and other industrial sectors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Number of Input Channels | 64 channels |
| Rated Input Voltage | 24 V DC |
| Input ON Voltage Range | 20 – 26.4 V DC (typical for ADV161 series) |
| Input OFF Voltage Maximum | ≤ 5.0 V DC |
| Maximum Allowable Input Voltage | 30.0 V DC |
| Input Current (at rated voltage) | Approx. 2.5 mA ±20% per channel |
| Input Response Time | ≤ 8 ms (status input) |
| Pushbutton Minimum ON Detection Time | ~20 ms (if pushbutton function supported) |
| Maximum ON/OFF Cycle (pushbutton input) | ~25 Hz |
| Maximum Current Consumption | Approx. 550 mA (5 V DC supply) |
| Withstanding Voltage / Isolation | 2 kV AC for 1 minute between input signal and system; 500 V AC for 1 minute between commons (every 16 channels) |
| Operating Temperature Range | –20 °C to +70 °C (typical) |
| Storage Temperature Range | –40 °C to +85 °C (typical) |
| Relative Humidity | 5 % to 95 % (non-condensing) |
| Dimensions (W × H × D) | Approx. 130 mm × 119.9 mm × 32.8 mm |
| Weight | Approx. 0.30 kg |
| Mounting / Connection | Plug-in module into base frame / dedicated cable (e.g., AKB337) or MIL connector cable |
Applications
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Process automation systems in manufacturing plants, chemical plants, oil & gas facilities where many discrete ON/OFF signals must be monitored.
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Power generation, substation controls and utilities, where large numbers of status signals (switches, relays, alarms) need to be reliably captured.
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Water & wastewater treatment plants: monitoring of pump status, valve positions, flow switches, control station alarms.
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Machine automation, assembly lines, where many discrete signals (limit switches, safety interlocks) feed into the control system.
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Expansion of DCS or PLC systems: the ADV161-P51 provides a high-density input option, reducing module count and wiring complexity when integrating into Yokogawa I/O racks.
Advantages
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High channel density: 64 inputs in one module, saving cabinet space and reducing number of modules required.
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Robust signal handling: isolation and wide allowable voltage range help maintain signal integrity in noisy industrial environments.
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Fast response: ≤8 ms response for status inputs ensures timely detection of events.
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Compact & lightweight: Approx. 0.30 kg weight and compact dimensions facilitate easier installation and integration in tight panels.
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Full platform compatibility: Designed for the ADV161 series family, allowing use of existing base frames, backplanes and system infrastructure.
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Wide temperature and humidity tolerance: Supports harsh operating environments characteristic of industrial sites.
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Cost-effective wiring and installation: High channel count reduces wiring overhead and installation time compared to lower-density modules.
Related or Same-Series Models (ADV161 & associated)
| Model | Key Specification / Description |
|---|---|
| ADV161-P50 | 64-channel digital input module, basic version with pushbutton input capability. |
| ADV161-P00 | 64-channel digital input module (basic variant), 24 V DC input, high density. |
| ADV151-P10 | 32-channel digital input module (smaller channel count within same family). |
| ADV151-P13 | 32-channel input module with enhanced diagnostics within the ADV151/161 platform. |
| ADV551-P00 | 32-channel digital output module (complementary output side of same I/O platform). |
Popular Yokogawa Models (same brand)
| Model | Description / Typical Specification |
|---|---|
| ADV151-P00 S2 | 32-channel digital input module, same platform, suitable for moderate signal counts. |
| ADV551-P00 S2 | 32-channel digital output module, for driving actuators and field devices. |
| ADV151-E63 S2 | Advanced input module with diagnostics/monitoring functions in the ADV151/161 family. |
| ADV171-P00 | 16-channel analog input module, part of same automation I/O family (analog side). |
| ADV181-P00 | 16-channel analog output module, for control signals in same ecosystem. |
FAQ (10 Common Questions – QA Format)
Q1: How many input channels does the ADV161-P51 provide?
A1: The module provides 64 discrete digital input channels for 24 V DC ON/OFF signals.
Q2: What is the rated input voltage for this module?
A2: The rated input voltage is 24 V DC.
Q3: Can the module accept signals above 24 V DC?
A3: Yes, the module can accept up to about 30.0 V DC as the maximum allowable input voltage, though prolonged use is recommended within the rated range.
Q4: What is the typical response time for the inputs?
A4: For status inputs, the typical response time is 8 milliseconds or less.
Q5: How large is the module and how much does it weigh?
A5: The approximate dimensions are 130 mm width × 119.9 mm height × 32.8 mm depth, and the weight is about 0.30 kg.
Q6: Is this module compatible with older I/O frames of the same brand?
A6: Yes, since it belongs to the ADV161 series, it is compatible with the same base frames and I/O backplanes designed for that series.
Q7: Does the module support pushbutton input or only status input?
A7: The “P” in the suffix suggests pushbutton input capability (edge counting), so it supports both status and pushbutton functions.
Q8: What kind of environments is this module designed for?
A8: It is designed for industrial environments with typical operating temperature from –20 °C to +70 °C, and good tolerance to vibration, electrical noise and humidity.
Q9: If I need fewer channels, what should I choose?
A9: If fewer channels are needed, you might consider a 32-channel module such as the ADV151 series (e.g., ADV151-P10 or ADV151-P13) which share the same platform.
Q10: How should I maintain or replace the module in a control cabinet?
A10: Before maintenance, isolate power, disconnect input cables, remove the module from its base/frame, replace with another module, reconnect cables and perform system check. Regular checks for connector integrity and ventilation are recommended.
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