Description
The ControlByWeb® X-412-I is a versatile Ethernet-based I/O controller engineered for precise monitoring and control in industrial, commercial, and OEM applications. Combining four high-resolution analog inputs and four relays, the X-412-I serves as a robust platform for event-driven automation, data acquisition, and process management. By utilizing a 9–28 VDC power input, it fits seamlessly into standard industrial control panels where hardwired Ethernet and DC power infrastructure are available.
As part of the 400-Series, the X-412-I features a built-in web server and a no-code Task Builder, enabling users to create complex automation logic, scheduling, and data logging without external software or recurring licensing fees. With native support for Modbus TCP/IP, MQTT, SNMP, and REST, the X-412-I provides a reliable and scalable solution for SCADA and PLC integration, equipment control, and facility automation.
Key Features
- 4 Relays & 4 Analog Inputs: High-resolution analog data capture paired with reliable relay control in a compact package.
- Browser-Based Interface: Complete device management, configuration, and real-time monitoring via any standard web browser.
- No-Code Logic Builder: Create powerful automated sequences and conditional logic using the intuitive Task Builder.
- Industrial Protocol Support: Native integration with MQTT, Modbus TCP/IP, SNMP, XML, and HTTP.
- Peer-to-Peer Communication: Easily share I/O data across multiple ControlByWeb controllers without a central server.
- Secure & Reliable: Cybersecurity-focused design without a built-in OS or file system, reducing attack vectors.
- Flexible Data Logging: Scheduled and conditional logging with automated FTP exports or email alerts.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | X-412-I |
| Product Type | Ethernet I/O Controller |
| Power Requirements | 9–28 VDC |
| Relay Outputs | 4 SPST (Form A), 28VAC/24VDC, 1A max |
| Analog Inputs | 4 (16-bit SAR); Single-ended, differential, or 4-20mA |
| Analog Input Range | ±1.28V, ±2.56V, ±5.12V, ±10.24V, 4-20mA |
| Network Interface | 10/100 Base-T Ethernet Port |
| Operating Temperature | -40°F to 150°F (-40°C to 65.5°C) |
| Dimensions | 1.41 in W x 3.88 in H x 3.1 in D (35.7 x 98.5 x 78 mm) |
| Weight | 5 oz (142 g) |
| Enclosure Material | Lexan 940 Polycarbonate Plastic |
| Protocols | HTTP, HTTPS, SSL, XML, MQTT, Modbus TCP/IP, SNMP, SMTP |
| Logging | 512K log file size (up to 8,448 logs), nonvolatile flash storage |
| Electromagnetic Compliance | FCC 47CFR15 Class B, IEC CISPR 22, CISPR 24, EU EN55024, EN55022 |












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