R4000D Paperless Recorder: Multi-Channel Industrial Data Recorder with Universal Input Capability
Introduction
The R4000D paperless recorder functions as a digital data acquisition platform for industrial monitoring applications. It receives signals from multiple field instruments, converts these signals into digital values, and presents them through real-time visual displays. At the same time, the device stores the data in internal memory for long-term historical analysis and process evaluation.
The recorder supports a wide range of signal types through universal inputs, including current signals, voltage signals, thermocouples, resistance temperature detectors (RTDs), and frequency signals. This versatility allows the instrument to connect directly to many different types of industrial sensors without additional conversion modules.
A 5.6-inch TFT color display provides clear visualization of measurement values and trend curves, enabling operators to monitor multiple channels simultaneously. Integrated communication interfaces such as RS232 and RS485 allow the recorder to transmit processed data to supervisory control systems or industrial networks.
By combining multi-signal compatibility, graphical monitoring, and digital storage, the R4000D paperless data recorder offers a practical solution for process monitoring in industrial environments where reliable data recording is required.
Working theory
The R4000D paperless recorder operates through a sequence of signal acquisition, digital processing, data storage, and visualization steps.
First, analog signals from field sensors and transmitters are received through the recorder’s universal input channels. These signals may represent different process variables such as temperature from thermocouples, pressure signals from transmitters, or electrical outputs from flow meters.
The incoming signals are then processed by the internal analog-to-digital conversion module, which transforms the electrical signals into digital data that can be interpreted by the recorder’s microprocessor. The processor analyzes these digital values in real time and performs necessary calculations or compensations when required.
After processing, the recorder simultaneously performs three core functions:
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Real-time visualization: Measurement values and trends are displayed on the color LCD screen.
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Data recording: Process data is stored in internal memory for historical analysis.
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Communication and output: Data can be transmitted to external devices through communication interfaces, while alarm outputs respond to abnormal process conditions.
This digital recording method ensures stable operation and reliable data preservation without the mechanical limitations of traditional chart recording systems.
Key features
The R4000D integrates practical monitoring functions and durable industrial design to support reliable data recording.
- Up to 16 Universal Input Channels: Supports simultaneous monitoring of multiple process variables through universal inputs compatible with current, voltage, thermocouple, and RTD signals.
- 5.6-inch Color TFT Display: A high-visibility display presents real-time measurements, trend curves, and system information for easier observation of process conditions.
- Reliable Digital Data Recording: Process data is stored in internal flash memory, allowing operators to review historical trends and maintain traceable records of production parameters.
- Flexible Alarm Output Function: Relay outputs allow the recorder to trigger alarms or control responses when monitored parameters exceed preset thresholds.
- Industrial Communication Interfaces: Supports RS232 and RS485 communication with Modbus protocol, enabling integration with PLC, SCADA, and distributed monitoring systems.
- Stable Industrial Hardware Design: Built with industrial components and a protective wiring design to ensure long-term stable operation in demanding environments.
Specification
| Product | Paperless recorder |
| Model | R4000D |
| Display | 5.6-inch TFT display screen |
| Input | Up to 16 channels of universal input |
| Relay output | 250VAC(50/60Hz)/3A |
| Weight | Approx 4.0Kg( without Optional Accessories) |
| Communication | RS485, Modbus-RTU |
| Internal memory | 6 MB |
| Power supply | 220VAC |
| Outer dimensions | 144(W)×144(H)×220(D) mm |
| DIN panel cutout | 137*137mm |
Applications
The R4000D paperless recorder is widely used in industrial environments where multi-parameter monitoring and historical data recording are required.
Water and wastewater treatment systems
Recording flow, level, pressure, and water quality signals for process monitoring and operational control in various water and wastewater treatment projects.
Chemical and petrochemical production
Tracking temperature, pressure, and process variables to maintain safe and stable operation.
Energy and heat treatment systems
Monitoring thermal processes and equipment performance in boilers, furnaces, and heat treatment systems.
Manufacturing and industrial automation
Providing centralized data acquisition for production lines and process equipment.
Food, pharmaceutical, and environmental monitoring
Recording key process parameters to support quality control and regulatory compliance.
These applications benefit from centralized monitoring, digital data storage, and improved operational transparency.
