Woodward 9905-971 Rev(K) LinkNet | 16-Channel Industrial Input Module
Manufacturer: Woodward
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Part Number: 9905-971 Rev(K)
Condition：New with Original Package
Product Type: 16-Channel Industrial Input Module
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Country of Origin: GERMANY
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Woodward 9905-971 Rev(K) LinkNet 16-Channel Discrete Input Module delivers reliable digital signal acquisition and communication in industrial automation and power generation applications. Designed with opto-isolated inputs, it ensures noise immunity and accurate discrete signal monitoring. Moreover, the CANbus Gateway variant provides dual isolated CAN ports, enabling seamless protocol conversion and high-speed message handling for complex control systems.
This module is compatible with MODBUS RTU, CANopen, SAE J1939, and NMEA 2000 protocols depending on the configuration. In addition, it supports high operational reliability under wide temperature ranges and shock conditions, making it suitable for harsh industrial and marine environments. The compact, rugged design allows easy panel installation or integration into distributed control networks.
Technical Specifications – Woodward 9905-971 Rev(K)
| Parameter | Discrete Input Module | CANbus Gateway Version |
|---|---|---|
| Model | 9905-971 Rev(K) | 9905-971 Rev(K) |
| Manufacturer | Woodward | Woodward |
| Type | Discrete Input Module | CANbus Protocol Gateway |
| Operating Voltage | 24 VDC | 9–36 VDC |
| Current Rating | 50 mA per channel | N/A |
| Number of Channels | 8 opto-isolated | N/A |
| CAN Ports | N/A | 2 × ISO 11898-2, 9-pin D-Sub |
| Baud Rate | N/A | 10 kbps – 1 Mbps |
| Protocol Support | N/A | SAE J1939, CANopen, NMEA 2000 |
| Message Handling | N/A | 500+ PGNs/sec |
| Isolation | N/A | 1500 VDC between CAN ports and power |
| Operating Temperature | –40 °C to +70 °C | –40 °C to +105 °C |
| Shock Resistance | N/A | Up to 100 g, 6 ms half-sine |
| Enclosure Type | IP20 | N/A |
| Dimensions | 100 mm | 120 × 90 × 40 mm |
| Certifications | ISO 7637-2, E-Mark, IEC 61373 (Gateway) | ISO 7637-2, E-Mark, IEC 61373 |
| Weight | 1.82 kg | 1.82 kg |
FAQ
Q: What is the primary function of the Woodward 9905-971 Rev(K)?
A: It collects discrete input signals or functions as a CANbus protocol gateway.
Q: How many channels does it provide?
A: Eight opto-isolated channels in the discrete input module variant.
Q: Which communication protocols are supported?
A: MODBUS RTU, CANopen, SAE J1939, and NMEA 2000 (Gateway version).
Q: Can it operate under extreme conditions?
A: Yes, it supports –40 °C to +105 °C and shock resistance up to 100 g.
Q: What enclosure type does it use?
A: The discrete input variant uses an IP20 panel-mount enclosure.