U-7515M OPC UA I/O Module, 7-ch RTD Input with PoE
OPC UA I/O module with 7 RTD inputs and a dual-port Ethernet switch for daisy-chain wiring. Powered over Ethernet (IEEE 802.3af) and supports OPC UA, MQTT and RESTful API.
- Seven RTD inputs (2-wire and 3-wire) for Pt100, Pt1000, Ni120, Cu100 and Cu1000 sensors
- OPC UA Server / Client, MQTT Client and RESTful API, which can run simultaneously
- Built-in dual-port 10/100 Base-TX Ethernet switch for daisy-chain topology
- IEEE 802.3af (Class 3) PoE input alongside a +12 ~ +48 VDC terminal block
- Rule logic (IF, THEN, ELSE), scheduling and scaling of analog values
- I/O trigger messages to CSV file or line for device tracking
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Product information "U-7515M OPC UA I/O Module, 7-ch RTD Input with PoE"
The U-7515M CR is an OPC UA I/O module that reads seven differential RTD inputs and passes the values to OPC UA, MQTT or RESTful API clients. It suits engineers who want temperature measurement to feed a cloud platform or a field control system without a separate gateway.
A built-in dual-port Ethernet switch allows the modules to be daisy-chained, reducing cabling and switch count. The unit accepts power from a PoE-enabled network under IEEE 802.3af (Class 3), or from a +12 ~ +48 VDC terminal block, which simplifies installation where power sockets are limited.
Configuration, control and I/O monitoring are handled through the built-in web user interface in a standard browser, with no additional software required. Scaling, rule logic (IF, THEN, ELSE), scheduled actions and I/O trigger messages add local processing to the data stream.
Applications
- Temperature monitoring with RTD sensors feeding cloud or field control systems
- Remote data acquisition for analysis and control strategy
- Distributed I/O on Ethernet with daisy-chained wiring
- PoE-powered sensing points where power and data share one cable
| Product type: | OPC UA I/O Module |
|---|---|
| Interface: | Ethernet |
| Protocol: | MQTT, OPC UA, RESTful API |
| Analog inputs: | 7 |
| Ports: | 2 |
| PoE: | Yes |
| Isolation: | 3000 VDC |
| Power input: | +12 ~ +48 VDC |
| Operating temperature: | -25 ~ +75 °C |
| Mounting: | DIN-rail |
Specifications
| Software | |
|---|---|
| Protocol | • OPC UA Server / Client • MQTT Client • RESTful API |
| Function | • Web Interface for Configuration • Scaling • Security • Rule Setting • Schedule • Event Log • IoTstar Setting |
| CPU Module | |
| CPU | 32-bit CPU (400 MHz) |
| Watchdog Timer | Module, Communication(Programmable) |
| Isolation | |
| 2-way Isolation | I/O: 3000 VDC |
| EMS Protection | |
| EFT (IEC 61000-4-4) | ±2 kV for Power Line |
| ESD (IEC 61000-4-2) | ±4 kV Contact for each terminal ±8 kV Air for random point |
| Surge (IEC 61000-4-5) | ±2 kV for Power Line |
| LED Indicators | |
| Status | Run, Ethernet, I/O |
| Analog Input | |
| Channels | 7 (Differential) |
| Type | RTD (2-wire, 3-wire) |
| Sensor Type | Pt100, Pt1000, Ni120, Cu100, Cu1000 |
| Resistance Measurement | 3.2 kΩ (max.) |
| Resolution | 16-bit |
| Accuracy | ±0.05% |
| Sampling Rate | 12 samples/second (Total) |
| Input Impedance | > 1 MΩ |
| Common Mode Rejection | 150 dB |
| Normal Mode Rejection | 100 dB |
| Overvoltage Protection | +120 VDC |
| Individual Channel Configuration | Yes |
| Open Wire Detection | Yes |
| 3-wire RTD Lead Resistance Elimination | Yes |
| Zero Drift | ±0.5 μV/°C |
| Span Drift | ±20 μV/°C |
| Ethernet | |
| Ports | 2 x RJ-45, 10/100 Base-TX, Swtich Ports |
| PoE | Yes |
| LAN bypass | Yes |
| Access Control | ID, Password and IP Filter |
| Power | |
| Reverse Polarity Protection | Yes |
| Consumption | 5.9 W |
| Powered from PoE | IEEE 802.3af, Class3 |
| Powered from Terminal Block | +12 ~ +48 VDC |
| Mechanical | |
| Dimensions (mm) | 97 x 120 x 47 (W x L x H) |
| Installation | DIN-Rail mounting |
| Environment | |
| Operating Temperature | -25 °C ~ +75 °C |
| Storage Temperature | -30 °C ~ +80 °C |
| Humidity | 10 ~ 90% RH, Non-condensing |
Specifications as published by the manufacturer. Subject to change.
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