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Brand |
Woodward |
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Model |
9905-970 |
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Descripution |
LinkNet 6-Channel Input Module |
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Input Voltage |
24 Vdc |
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Maximum Operating Current |
12 V |
9905-970 LinkNet 6 Chan, 100 OHM RTD![]()
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Miya zheng |
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We Provide Many Well-known Brands |
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n Distributed Control System (DCS) |
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n Programmable Logic Controller (PLC) |
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n Remote input/output module (RTU) |
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n Industrial PC (IPC) |
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n Industrial low-frequency screen |
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n Lowcapacity hard drives for industrial use SCSI (50,68,80Pin) |
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n AnyBus (Gateway) |
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n Human-machine interface |
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n Industrial control related ancillary products |
RTD Input Module
Figure 1 is a block diagram of the RTD input module. A 1 mA or 2 mA source is provided for each input. The module receives voltages from six 100 W or 200 W, 3-wire RTDs. Each voltage is compensated for line resistance, and then is multiplexed to a voltage-to-frequency converter. The module processor reads the period of this signal and converts it to a count, which it transmits through the transceiver to the 723.

Figure 1. RTD Input Module Block Diagram
Frequently Asked Questions
Q1. What distinctive control architecture and functional capabilities characterize the WOODWARD 9905-970, and how does its design support demanding industrial control applications?
A: The WOODWARD 9905-970 is engineered as a specialized industrial control component, providing dependable control functionality for applications where operational stability, signal integrity, and precise system response are critical.
Q2. How does the WOODWARD 9905-970 accommodate stringent electrical and environmental operating requirements in industrial automation installations?
A: The WOODWARD 9905-970 is designed for integration into industrial environments where electrical compatibility, reliable operation, and robust system performance are essential considerations.
Q3. Which technical parameters should engineers scrutinize when evaluating the WOODWARD 9905-970 for replacement, retrofit, or control-system integration?
A: Engineers should verify the WOODWARD 9905-970’s electrical characteristics, interface configuration, operating conditions, and application-specific compatibility before implementing it as a replacement or retrofit component.
Q4. Why would the WOODWARD 9905-970 be considered a viable choice for maintaining continuity in legacy industrial control systems?
A: The WOODWARD 9905-970 can be particularly valuable in legacy systems where maintaining the original control architecture is important. Its availability can help engineers address obsolete-component replacement requirements while minimizing unnecessary system modifications.
Q5. What factors determine whether the WOODWARD 9905-970 is technically suitable for a specific turbine-control or industrial automation application?
A: Suitability depends on the system architecture, electrical requirements, control function, environmental conditions, and interface compatibility. Engineers should cross-reference these parameters with the equipment requirements before selecting the WOODWARD 9905-970.
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