Upgrade your industrial automation and remote control systems with the Waveshare 33917 Industrial 8-Channel Ethernet Digital Input/Output Module. Designed for demanding industrial environments, this high-performance controller supports Modbus RTU, Modbus TCP, MQTT protocols, and PoE power supply, making it ideal for IoT deployments, factory automation, remote monitoring, smart control applications, and industrial networking.
Key Features
Industrial-Grade Network Control
- Supports Modbus RTU and Modbus TCP protocols for seamless integration into industrial control systems.
- MQTT protocol support enables convenient IoT communication and cloud-based monitoring.
- Includes Alibaba Cloud MQTT application examples for rapid deployment.
Wide Voltage Input & PoE Support
- Integrated voltage regulator supports a wide operating voltage range of 7V to 36V DC.
- Supports Power over Ethernet (PoE) for simplified installation and reduced wiring requirements.
- Provides flexible power options for industrial applications.
Optically Isolated Digital Inputs
- Eight-channel digital inputs feature bidirectional optocoupler isolation for improved reliability and electrical protection.
- Supports both passive and active switch inputs.
- Built-in anti-interference and debounce algorithms improve signal accuracy.
Powerful Isolated Digital Outputs
- Outputs utilize Darlington transistor drivers with optocoupler isolation.
- Supports output currents up to 500mA per channel.
- Integrated reverse-current protection diode improves safety and reliability.
Intelligent Linkage Functions
- Supports input-output linkage control modes.
- Configurable inversion control functions.
- Flash-on and flash-off timer functions available through command settings.
- Outputs can automatically switch off after a preset time interval.
Reliable Isolation Design
- Integrated isolated power supply design delivers stable isolated voltage.
- No additional isolated power source required.
Convenient DIN Rail Installation
- Rugged rail-mounted enclosure simplifies installation in industrial cabinets and control panels.
- Compact, professional design suitable for long-term industrial operation.
Comprehensive Status Indicators
- External LED indicators provide instant visual feedback for:
- Digital input status
- Digital output status
- MCU operating status
- Communication transmit/receive activity
Applications
- Industrial Automation
- Smart Factory Control
- Building Automation
- Remote Monitoring Systems
- Industrial IoT (IIoT)
- Equipment Control
- Alarm Systems
- Data Acquisition Systems
- Networked Relay Control
Specifications
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Model: Waveshare 33917
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Communication Protocols: Modbus RTU, Modbus TCP, MQTT
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Input Channels: 8
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Output Channels: 8
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Input Voltage: 7V-36V DC
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PoE Support: Yes
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Input Isolation: Bidirectional Optocoupler Isolation
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Output Type: Darlington Driver with Optocoupler Isolation
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Output Drive Current: Up to 500mA
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Installation Type: DIN Rail Mount
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Dimensions: Approx. 145 × 90 × 40 mm
Package Includes
- 1 × Waveshare 33917 Modbus PoE Ethernet 8-Channel Digital I/O Module
- 1 × Screwdriver
Why Choose the Waveshare 33917?
Combining industrial-grade isolation, PoE capability, MQTT cloud connectivity, Modbus compatibility, and flexible digital I/O control, the Waveshare 33917 provides a reliable and scalable solution for modern industrial automation and IoT applications. Whether you're building a smart factory, remote monitoring platform, or industrial control network, this module delivers dependable performance and easy integration.
Specification:
| Package Weight |
| One Package Weight |
0.22kgs / 0.49lb |
| One Package Size |
18cm * 12cm * 6cm / 7.09inch * 4.72inch * 2.36inch |
| Carton Weight |
10.00kgs / 22.05lb |
| Carton Size |
50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch |
| Loading Container |
20GP: 438 cartons * 40 pcs = 17520 pcs
40HQ: 1018 cartons * 40 pcs = 40720 pcs
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