Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Woodward 9905-969 is a LinkNet 6-Channel Analog Input Module, engineered to deliver high-precision analog signal acquisition in industrial and energy automation systems. Part of Woodward’s LinkNet Distributed I/O series, this module serves as a reliable interface between field devices and the main control system. Designed for harsh industrial environments, the 9905-969 provides robust performance, accurate measurements, and long-term stability.
This module is specifically tailored for applications that demand multiple analog inputs, such as turbine control systems, engine management systems, and energy process automation. Supporting a variety of analog signals including 0–5V, 0–10V, and 4–20 mA, the 9905-969 is fully compatible with Woodward control architectures like Micronet Plus and other PLC or SCADA systems via LinkNet networking.
Product Specifications
| Parameter | Details |
|---|---|
| Model | 9905-969 |
| Series | LinkNet Distributed I/O Series |
| Module Type | Analog Input Module |
| Number of Channels | 6 Analog Inputs |
| Input Signal Range | 0–5V, 0–10V, ±5V, ±10V, 4–20 mA |
| Resolution | 12-bit or higher (depending on configuration) |
| Input Impedance | >1 MΩ (Voltage), 250 Ω (Current) |
| Update Rate | <5 ms per channel |
| Status Indication | Front panel LEDs for each channel |
| Communication Interface | LinkNet over CAN-based or RS-485 Bus |
| Isolation | Optical and galvanic isolation between channels and system |
| Power Supply Voltage | 18–32 VDC |
| Power Consumption | Approximately 5 W |
| Operating Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Storage Temperature | –55 °C to +85 °C |
| Humidity | 5–95% RH Non-condensing |
| Mounting Type | DIN Rail Mounting |
| Enclosure Type | Rugged Industrial Casing with Conformal Coating |
| Dimensions | 355.6 x 279.4 x 101.6 mm |
| Weight | 4.13 kg |
| Certifications | CE, UL, CSA, RoHS, ATEX compliant components |
| Compliance Standards | IEC 61131, EN 61000-6-2/4, IEEE C37.90 |
Applications
The Woodward 9905-969 Analog Input Module is ideal for use in the following applications:
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Turbine and Engine Control Systems: Provides precise analog feedback from temperature, pressure, and vibration sensors.
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Industrial Automation: Captures data from transducers and field sensors in manufacturing environments.
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Energy Systems: Used in power plants and microgrids for monitoring analog process variables.
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Process Control: For chemical, oil & gas, and refining industries requiring continuous analog input data.
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Marine Systems: For monitoring critical analog parameters in shipboard automation systems.
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Test and Measurement Equipment: Ensures high-fidelity data acquisition in R&D environments.
Advantages
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High Signal Accuracy: 12-bit or higher resolution ensures precise data acquisition with minimal signal drift.
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Flexible Input Range: Supports multiple industry-standard analog signal types across all channels.
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Industrial-Grade Build: Engineered for harsh environments with extended temperature range and durable housing.
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Modular Architecture: Easily integrates into distributed control systems and supports expansion without downtime.
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Fast Sampling Rates: <5 ms response time per channel improves real-time control performance.
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Isolated Channels: Optical and galvanic isolation protect systems from electrical interference or faults.
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Simple Installation: DIN-rail mounting and plug-in connectors reduce installation time and complexity.
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System Compatibility: Seamlessly interfaces with Woodward’s Micronet Plus, SCADA, and third-party PLCs.
Frequently Asked Questions (FAQ)
1. What type of analog signals can the 9905-969 accept?
It supports 0–5V, 0–10V, ±5V, ±10V, and 4–20 mA signals.
2. How many input channels does this module provide?
It offers 6 independent analog input channels.
3. Can this module operate in outdoor or harsh environments?
Yes, it is designed to operate from –40 °C to +70 °C with industrial-grade protections.
4. Is it compatible with Woodward Micronet Plus?
Yes, it integrates seamlessly with Micronet Plus control systems via LinkNet.
5. What is the resolution of analog inputs?
The module provides 12-bit resolution or better depending on configuration.
6. How is communication handled with the main controller?
Through LinkNet over a CAN-based or RS-485 network.
7. Is the module hot-swappable?
No, power must be off during replacement to ensure safety and system integrity.
8. Does it support electrical isolation?
Yes, each channel is optically and galvanically isolated from the system.
9. What kind of installation is required?
DIN rail mounting is supported for easy and secure installation.
10. Can it be used in explosive or hazardous areas?
It uses ATEX-compliant components, but the complete system must be evaluated for hazardous area certification.
Related or Similar Models from the Same Series
| Model | Description |
|---|---|
| 9905-968 | LinkNet 6-Channel Analog Output Module |
| 9905-967 | LinkNet 8-Channel Digital Input Module |
| 9905-966 | LinkNet 8-Channel Digital Output Module |
| 9905-970 | LinkNet Communication Interface Module |
| 9905-971 | LinkNet Power Supply Module |
| 9905-972 | LinkNet Expansion Base Plate |
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