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SKU:9905-972
9905-972 LinkNet Module | Woodward 6-Channel Analog Output
Manufacturer: Woodward
Product No.: 9905-972
Product Type: Analog Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months
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Descrição
Product Overview
The Woodward LinkNet 9905-972 is a high-reliability 6-Channel Analog Output (4–20 mA) I/O Controller Node designed for distributed turbine and engine control architectures. As part of the Woodward LinkNet family, this module enables MicroNet and NetCon control systems to interface directly with field-actuated devices, control valves, positioners, and external indicators over standard 4–20 mA current loops. Operating as a networked I/O node, the 9905-972 offloads signal-processing tasks, reduces field wiring complexity, and ensures fast, deterministic command execution. Built with a rugged enclosure for demanding industrial environments, the module features an approximate shipping weight of 0.45 kg (1.0 lbs) and delivers precise dynamic response across operating temperatures from 0°C to 55°C.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Part Number | 9905-972 |
| Manufacturer / Product Family | Woodward / LinkNet Series |
| Module Type | 6-Channel Analog Output (4–20 mA) I/O Controller Node |
| Number of Output Channels | 6 Channels (Galvanically Isolated) |
| Output Current Range | 4–20 mA Standard Current Loop |
| Network Communication Protocol | Woodward LinkNet High-Speed Network Bus |
| Primary Application Target | Turbine Control, Actuator Positioning, Valve Drive Signal Control |
| Approximate Module Weight | 0.45 kg (1.0 lbs) |
| Mounting Configuration | DIN Rail or Panel Mount Terminal Base |
| Operating Temperature Range | 0°C to +55°C (32°F to +131°F) |
Key Hardware & Operational Features
- Distributed I/O Architecture: Mounts near field actuators to convert high-speed LinkNet serial bus commands into 6 accurate 4–20 mA current signals, drastically reducing long multi-pair wiring runs.
- High-Precision Actuator Control: Provides smooth, high-resolution current driving capabilities optimized for critical steam, gas, and hydro turbine control valves.
- Fault-Tolerant Network Integration: Fully compatible with Woodward MicroNet control systems, featuring automated node health reporting and loop fault detection.
- Industrial Standard Compliance: Engineered with optical isolation and heavy-duty noise immunity to withstand harsh electromagnetic interference (EMI) typical in power generation sites.
Installation & Field Wiring Guidelines
1. Unit Mounting: Snap the LinkNet node onto a standard DIN rail inside the control cabinet or local field junction box.
2. Network & Power Wiring: Connect the LinkNet network communication cable and power supply wires to the labeled terminal blocks on the module base.
3. Channel Wiring: Wire external field devices (actuators, valves, positioners) to the 6 analog output channels using shielded twisted-pair 4–20 mA loop cables.
Frequently Asked Questions (FAQs)
Q1: What is the main function of the Woodward 9905-972 node?
A1: It acts as a distributed I/O controller node converting LinkNet network commands into 6 isolated 4–20 mA analog outputs.
Q2: What controllers are compatible with the LinkNet 9905-972?
A2: It interfaces directly with Woodward MicroNet and NetCon control platforms over the LinkNet communications network.
Q3: What field devices can be driven by this module?
A3: It is designed to drive 4–20 mA industrial actuators, electro-hydraulic valve positioners, variable frequency drive references, and remote meters.
Especificações Adicionais
Escalar (V/f)
Vetor
Alimentado por corrente alternada
Guia de Compra
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Envio e Devolução
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Devoluções são aceitas dentro de 30 dias após o recebimento, desde que os itens estejam sem uso e em condição original. Os custos de envio para devolução são de responsabilidade do cliente. Por favor, entre em contato conosco antes de devolver qualquer item para receber a autorização de devolução.
Para mais detalhes, por favor, consulte nossa Política de Envio e Devolução.

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