Universal Input RTU Acquisition Module is a multi-functional acquisition module and display instrument based on microprocessor technology. Universal Input RTU Acquisition Module can measure and display process parameters such as humidity, pressure, and flow rate, and perform data communication, transmission, and control. Universal Input RTU Acquisition Module features flexible settings, convenient configuration, and simple operation.
Features
Equipped with an OLED liquid crystal display for local parameters, enabling more convenient on-site viewing.
24-bit high-precision measurement and 16-bit true DA high-speed output, eliminating delays and errors.
Configured with 1 AD, 2 DA, and 2 DO channels, supporting multi-channel input and output operations.
Optional power supply: 220VAC or 24V DC, meeting the needs of various application scenarios.
0.1-level cold-junction compensation for more accurate measurement.
Compliant with the standard Modbus RTU communication protocol.
Other Detailed Parameters
| Specification Category | Details |
| General AD Input | 1 channel |
| AD Input Signals | 30 types of common industrial standard signals |
| AD Measurement Error | 0.1% FS + 1 digit |
| AD Accuracy | 24-bit high-speed AD, 1K SPS |
| DA Output | 2 channels |
| DA Accuracy | 16-bit, 2M SPS |
| DO Relay Output | 2 channels (2A/250V) |
| DI Input | 4 channels of optically isolated DI (passive contact input) |
| Input Impedance |
≥500KΩ for voltage signals; ≤100Ω for current signals ≤0.25mA for RTDs; ≥500KΩ for thermocouples |
| Output Impedance | ≤500Ω for current signals (can be upgraded to 650Ω, specify when ordering) |
| Display Mode LCD | |
| Communication Protocol | MODBUS RTU (RS485 interface, 2-wire system) |
| Driving Distance | 1200 meters |
| Parity Mode | No parity, Odd parity, Even parity |
| Baud Rate | 4800, 9600, 19200 bps |
| Communication Data Format | 1 start bit, 8 data bits, 1 stop bit |
| Power Supply Voltage | 80-240VAC / 24V DC (Note |
| Isolation Voltage | Isolation between input, output, and power supply; 2000V AC for 1 minute |
| Operating Conditions | Temperature -20℃~+50℃; Humidity |
| Storage Conditions | Temperature -30℃~+80℃; Humidity |
| External Dimensions | 108mm × 23mm × 116mm |
| Installation Method | 35mm DIN rail mounting |
Hot Tags: universal input rtu acquisition module, China universal input rtu acquisition module manufacturers, suppliers, factory, Switching Pulse Counting Acquisition and Transmission Module, True RMS Measurement Power Collection Module, Dual Mode DA Output 485 Acquisition Module, Frequency Measurement Counting Acquisition Module, 8 Channel Analog Input 485 Module, Universal Input RTU Acquisition Module
