Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | LinkNet 6 Channel Input Module |
| Model Number | 9905-970 |
| Brand | Woodward |
| Product Type | Digital Input Module |
| Function | Provides six isolated digital input channels for monitoring external signals in industrial control systems |
| Number of Channels | 6 isolated digital inputs |
| Input Signal Type | Dry contact or TTL/logic level compatible |
| Input Voltage Range | 18–32 VDC (nominal 24 VDC) |
| Input Current | 5 mA typical per channel |
| Isolation Voltage | 500 VDC channel-to-channel and channel-to-bus |
| Input Response Time | <5 ms |
| Logic “1” Threshold | >15 VDC |
| Logic “0” Threshold | <5 VDC |
| Communication Interface | LinkNet RS-485 or CANopen |
| Power Supply | 18–32 VDC |
| Power Consumption | 8 W typical |
| Diagnostic Features | Channel status, short circuit detection, communication failure indication |
| LED Indicators | Power, network communication, and channel activity LEDs |
| Configuration | Software configurable via LinkNet setup utility |
| Mounting Type | DIN rail or panel mounting |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -55°C to +105°C |
| Humidity | 5% to 95% non-condensing |
| Enclosure Rating | IP20 |
| Dimensions | 355.6 x 279.4 x 101.6 mm |
| Weight | 0.907 kg |
FAQ
FAQ
Q1: What is the primary purpose of the Woodward 9905-970 module?
A1: The 9905-970 module is designed to collect and process digital input signals from field devices, enabling real-time monitoring and control in LinkNet-based automation systems.
Q2: What types of signals can the 9905-970 accept?
A2: It supports dry contact and TTL-level digital signals, making it compatible with a variety of switches, sensors, and relays used in industrial control systems.
Q3: How does the module ensure electrical isolation?
A3: Each input channel is optically isolated from others and from the communication bus, preventing interference and protecting sensitive control circuits from voltage transients.
Q4: What communication interface is used for data exchange?
A4: The module utilizes the LinkNet network protocol over RS-485 or CANopen interfaces, providing reliable and synchronized communication with other system components.
Q5: How are diagnostics and system monitoring handled?
A5: The 9905-970 features built-in diagnostic indicators and software monitoring tools that report open circuits, short circuits, and communication errors.
Q6: How can users configure the input parameters?
A6: Configuration is done via the LinkNet setup utility, allowing users to define input logic, filter times, and network settings easily through software.
Q7: What are the main application areas for the 9905-970?
A7: It is commonly used in turbine control, power generation systems, and process automation where accurate digital input monitoring is required.
Q8: Does the module include any visual indicators for operation?
A8: Yes, LED indicators on the front panel display power status, communication activity, and the operational state of each digital input channel for quick system diagnostics.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
