Description
The Woodward 9905-970 LINKnet 6-Channel 100 Ohm RTD Module is an analog temperature input module designed for Woodward distributed control systems. It provides six RTD input channels for collecting temperature signals from industrial sensors and transmitting measurement data through the LINKnet communication network.
This module is commonly applied in turbine control, generator systems, engine monitoring, and industrial automation equipment where accurate temperature acquisition is required. It supports 100 Ohm RTD sensors and is designed for integration with compatible Woodward MicroNet and LINKnet-based control platforms.
The 9905-970 helps monitor critical temperature points such as bearing temperature, winding temperature, exhaust temperature, and lubrication system temperature, providing reliable field data for protection and control functions.
9905-970
📌 Product Parameters
| Parameter | Description |
|---|---|
| Brand | Woodward |
| Model | 9905-970 |
| Series | LINKnet |
| Product Name | 6-Channel 100 Ohm RTD Input Module |
| Origin / Place of Origin | USA |
| Product Status | New Surplus / Legacy Spare Replacement |
| Dimensions | Approx. 28 × 35 × 10 cm |
| Weight | Approx. 0.45–1 kg |
| Power Supply | 18-32 VDC (24 VDC typical) |
| Discontinued | Legacy / Obsolete for some applications |
📌 Product Datasheet
| Parameter | Description |
|---|---|
| Module Type | Analog RTD Input Module |
| Input Channels | 6 Channels |
| Sensor Type | 100 Ohm RTD |
| Input Signal | Resistance Temperature Measurement |
| Communication | LINKnet Distributed I/O Network |
| Input Wiring | 3-Wire RTD Connection |
| Temperature Range | Approx. -65°C to +649°C (sensor dependent) |
| Resolution | 12-bit |
| Accuracy | Approx. 1% at 25°C |
| Application | Turbine, generator, engine and industrial control systems |
📌 Common Questions & Answers
❓ Q: What is the main function of Woodward 9905-970?
A: The module collects temperature signals from up to six 100 Ohm RTD sensors and transfers the data to a compatible Woodward control system.
❓ Q: How many temperature inputs does this module provide?
A: It provides six independent RTD input channels.
❓ Q: Is the 9905-970 a 4-20mA input module?
A: No. The 9905-970 is specifically designed for 100 Ohm RTD temperature inputs. Woodward offers separate LINKnet modules for 4-20mA signals.
❓ Q: Where is this module commonly installed?
A: It is typically installed in turbine control panels, generator systems, and industrial automation cabinets using Woodward LINKnet architecture.
❓ Q: What should be checked before replacement?
A: Confirm the existing module part number, RTD sensor type, wiring configuration, LINKnet communication settings, and controller compatibility before installation.
📌 Recommended Woodward Models
- Woodward 9905-968 – LINKnet 6 Channel 4-20mA Input Module.
- Woodward 9905-969 – LINKnet 6 Channel 4-20mA Input Module with 24V supply.
- Woodward 9905-971 – LINKnet Discrete Input Module.
- Woodward 9905-972 – LINKnet 6 Channel 4-20mA Output Module.
- Woodward 9905-973 – LINKnet Discrete Output Module.
- Woodward 9907-205 – Handheld Programmer Module.
- Woodward 9907-072 – NetCon Single Output Power Supply.
- Woodward 5464-181 – LINKnet RTD Input Module.
- Woodward 5464-648 – Analog Output Module.
- Woodward 5464-645 – Actuator Driver Module.
- Woodward 5464-647 – 2-Channel Actuator Driver Module.
- Woodward 5466-100 – MicroNet Control Module.
- Woodward 9905-860 – Digital Control Module.
- Woodward 505E – Steam Turbine Controller.
- Woodward 505XT – Advanced Steam Turbine Control System.
