The PR-18DC-DAI-R-N micro PLC delivers advanced functionality for industrial IoT and process automation.
Operating from a 24 V DC supply (20.4-28.8 V), it offers twelve mixed inputs and six relay outputs along with multiple communication ports and high-speed processing.
🔧 Technical Highlights
- Supply voltage 24 V DC (operating range 20.4-28.8 V) with power consumption around 1.2 W.
- Inputs: six DI/AI channels accepting 0-10 V signals, two DI/AI channels switchable between 0-10 V and 0-20 mA, plus four high-speed digital inputs for counting and frequency measurement.
- Six relay outputs rated 10 A at 250 V AC or 5 A at 30 V DC.
- Integrated RS232, RS485 and Ethernet ports; supports Modbus RTU, Modbus ASCII and Modbus TCP communications, plus built-in web server and MQTT support.
- Analogue inputs resolution 0.01 V or 0.02 mA with typical accuracy ±0.5 % FS; cycle time around 50 ms.
- 16 expansion modules supported; operating temperature -25...55 °C; dimensions 95x90x61 mm; weight about 380 g.
✅ Benefits
- Ethernet connectivity enables remote web monitoring, programming and integration with cloud platforms.
- Mixed analogue/digital inputs handle voltage and current sensors, simplifying wiring and reducing hardware cost.
- High-speed inputs support accurate counting for flow meters, encoders and frequency measurements.
- Comprehensive communication capabilities ensure integration with supervisory systems via Modbus RTU/ASCII/TCP and MQTT.
🚀 Applications
- Industrial IoT and remote monitoring applications requiring Ethernet and cloud connectivity.
- Process control with both analogue sensors and high-speed pulse input devices.
- Building management systems needing remote web-based control and data logging.
❓ FAQ's
- Q: What communication protocols does the PLC support?
A: It supports Modbus RTU, Modbus ASCII and Modbus TCP via the RS232, RS485 and Ethernet ports. MQTT is also available for cloud integration.
- Q: Can I connect 4-20 mA sensors directly?
A: Yes. Two input channels can be configured for 0-20 mA current signals in addition to voltage inputs.