Medium length paperless recorder

1、 Overview of Medium length Paperless Recorder
The medium length paperless recorder has been widely used in various industries due to its rich display screen, flexible operation mode, and powerful recording, calculation, control, and management functions. This product incorporates the advantages of various domestic and foreign paperless recorders, applying the latest display technology, microelectronics technology, data storage and communication technology. It is a fully functional, easy to operate, accurate and reliable, and cost-effective product.
The medium length paperless recorder has a rich configuration, with two types of display screens: blue screen and color screen. It can receive various types of DC current, voltage, and resistance signals, and achieve functions such as temperature, pressure, liquid level, flow rate, composition, as well as physical quantities such as force, torque, displacement display, recording, limit monitoring, report generation, data communication, signal transmission, and flow accumulation.
2、 Main features of medium length paperless recorder
1. Pen less and paperless recording, minimal daily maintenance workload, and low operating costs;
2. Adopting high brightness monochrome or color TFT LCD screen, CCFL backlight, clear picture;
3. Adopting ARM microprocessor, it can simultaneously achieve 48 channels of signal acquisition, recording, display, and alarm;
4. Using a 512MB large capacity FLASH flash chip to store historical data, never losing data in case of power failure;
5. Fully isolated universal input, capable of simultaneously inputting multiple signals without the need to replace modules, can be configured through software;
6. The numerical range for displaying engineering quantity data is wider, and can display 5-digit values:- 9999~19999；
7. Can configure and display engineering tag numbers, engineering units, and have flow accumulation;
8. Equipped with flashing alarm display, indicating the lower and lower limits, lower and upper limits, and upper and upper limit alarms of each channel; 24 relay alarm outputs;
9. Configurable 8-point transmission output, optically isolated, with an error of less than ± 0.2% F · S;
10. High display accuracy, with a basic error of ± 0.2% F · S;
11. Temperature and pressure compensation, supporting compensation signal input and optional constants, providing multiple compensation models, such as commonly used compensation models for superheated steam, saturated steam, pressure compensation, etc;
12. Built in GB2312 Chinese character library, using full spelling input method for input;
13. Support external micro printers for manual printing of data and curves, automatic timed printing of data to meet users' on-site printing needs;
14. Equipped with standard USB interface, historical data transfer is fast and convenient;
15. Standard serial communication interface, RS485 and RS232C with optocoupler isolation;
16. Supports standard ModBus RTU communication protocol (optional function), in addition to supporting our company's data management software, it also supports popular configuration software such as MCGS and Kingview;
17. Adopting a new type of switching power supply, it can operate normally within a wide voltage range of AC 85V~265V;
18. Provide DC 24V isolated power distribution for transmitters;
19. The all aluminum sealed casing ensures that the instrument operates normally in harsh environments.
3、 Main technical specifications of medium length paperless recorder
1. Display
10.4-inch blue LCD or color TFT LCD
There are four basic screens: digital display screen, bar chart display screen, real-time curve screen, and recall curve screen
Basic error less than ± 0.2% F · S, digital display range -9999~199999
Measurement resolution: 1/60000, 24 bit AD converter
Real time curve recording interval ranges from 1 second to 240 seconds,
The recall curve recording interval can be set continuously from 1 second to 240 seconds.
2. Input signal
The input signals include five categories: DC current, DC voltage, thermistor, thermocouple, and remote pressure gauge, which can be selected through button input. Isolation universal input, no jumper required.
Direct current: （4~20）mA，（0~10）mA，（0~20）mA
DC voltage: （1~5）V ，（0~5）V
Thermal resistance: Pt100，Cu100，Cu50，BA1，BA2，G53
Thermocouple: K，S，R，B，N，E，J，T
3. Alarm output and transmission output
Relay output: Contact capacity AC 220V, 3A, resistive load
12 point configurable output, can be set according to the alarm point values of each channel
Configurable 8-point transmission output, optoelectronic isolation, error less than ± 0.2% F · S, current output load capacity ≤ 450 Ω
Impedance of voltage output matching equipment: should be greater than 2K Ω
4. External power supply
DC 24V power supply: used to power the transmitter, with a maximum load capacity of ≤ 200mA
5. Communication printing interface (optional function)
Photoelectric isolation
RS232 and RS485 standards, please specify when ordering
Communication speed 96001920057600115200 selected through setting
Supporting testing software, providing technical support for configuration software and application software
Optional Modbus RTU communication protocol for communication with the upper computer
6. Power supply conditions
Instruments powered by AC 220V: AC 85~265V， Power consumption less than 25VA
Instruments powered by DC 24V: 24V ± 10%, power consumption less than 25VA
7. Environment and others
Working temperature range: 0 ℃~50 ℃
Storage temperature range:- 20℃~70℃
Working humidity range: below 85% R.H, no condensation
Weight of the instrument: Approximately 2.8Kg at most
4、 Size of medium length paperless recorder