Industrial automation
Industrial Automation

WP-R80 Monochrome Paperless Recorder

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Paperless recorder
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WP-R80 series 3-channel input monochrome paperless recorder, can input standard current, standard voltage, frequency, millivolt, thermocouple, thermal resistance and other signals. It has the functions of sensor isolation power distribution output, relay alarm output, flow totalization, cumulative report, historical data transfer, printing and remote communication.
Product description

WP-R80 series 3-channel input monochrome paperless recorder, can input standard current, standard voltage, frequency, millivolt, thermocouple, thermal resistance and other signals.

   It has the functions of sensor isolated power distribution output, relay alarm output, flow totalization, cumulative report, historical data transfer, printing and remote communication.



1. High-speed, high-performance 32-bit ARM microprocessor, the screen response time is less than 0.2 seconds, and it can detect, record, display and alarm 3 signals at the same time.

2.2.1 inch 128*64 dot matrix STN high-brightness monochrome graphic LCD display, LED backlight, clear picture, wide viewing angle.

3. Fully isolated universal input, which can input a variety of signals, without jumpers, and can be configured through software. 

4. New type of switching power supply, normal operation in the range of 85VAC~265VAC.

5. Integrated hardware real-time clock, the clock can run accurately even when the power is off.

6. Provide transmitter 24VDC isolated power distribution.

7. Ultra-thin body, only need to provide minimal installation space.

8. The large-capacity FLASH flash memory chip stores historical data, and the data will never be lost after power failure.

9.2 Road relay alarm output.


1. Various standard signals can be input: standard current, standard voltage, frequency, millivolt, thermal resistance, thermocouple.

2. The signal full-scale accuracy is ±0.5%.


1. The software password lock ensures the safety of user configuration.

2. Chinese menu configuration, can freely configure and display the engineering tag and engineering unit.

3. The engineering quantity display value reaches 4.5 digits, the display range is -9999~19999, and it also supports vacuum calculation and scientific notation display.

4. At the same time indicate the lower limit, lower limit, upper limit and upper limit alarm of each channel, and can record and display the latest 15 alarm information.

5. Each channel supports flow accumulation function, providing hourly report, 8-hour shift report, 12-hour shift report, daily report + monthly report and other report forms.

6. Provide temperature and pressure compensation, and support compensation calculations for flow devices such as orifice plates, vortex streets, and compensation media such as steam, water, and general gas.

7. The curve display mode can choose horizontal curve or vertical curve.


1. Support flow models of various flow measurement devices such as vortex, turbine, electromagnetic flowmeter, orifice plate, elbow, etc.

2. Support flow compensation of various media such as steam, water and general gas.

3. Provide multiple compensation model options such as volume flow, mass flow, and heat.

4. Small flow supplement, over-range protocol measurement function, combined with real-time monitoring and recording function, effectively prevent gas theft.

5. When the temperature sensor or pressure sensor fails, it will automatically use the set temperature and pressure to calculate the compensation amount.

6. It has a power-down recording function, which records the power-down and power-on time of the instrument, displays the cumulative power-off time, and prevents users from powering off and stealing gas.


1. Standard serial communication interface: RS485 and RS232C.

2. Support the standard Modbus-RTU communication protocol, and provide multiple data types, such as percentage, engineering quantity, cumulative quantity, etc. In addition to supporting the company's host computer management software, it also supports general professional configuration software such as iFix, Kingview, MCGS, and Force Control, without special drivers.

3. Use USB2.0 interface to transfer and backup historical data, and the maximum support 2GB USB flash drive.

4. Support FAT32 file system, Windows can automatically identify the backup data file without format conversion.

5. An external micro printer can manually print data and curves, and automatically print real-time data at regular intervals to meet the needs of users on-site printing.

• structure


Installation method: Embedded instrument panel installation (vertical instrument panel), allowing installation with a maximum tilt of 30 degrees backwards, horizontal left and right.

  Instrument panel thickness: 2~26mm

   Overall dimensions: 160(W)*80(H)*61(D)mm

   Weight: 1kg


• Input section


Input points: 1~3 channels

   Measurement cycle: 1 second

  Input type:



•Display part


Display: STN monochrome LCD (128*64)

  Display color: black (text)/yellow (background color)

   Channel unit: 7 letters or numbers

  Status display: display screen name, alarm status, and cycle display flag

  Display screen: measurement data display (overview, digital display, bar graph display, curve display), historical curve display, information display (alarm information, cumulative report), function screen (data backup, print)

   Overview display: display the data and alarm status of all measurement channels

   update rate: 1 second

  Curve display: vertical and horizontal selection

  Historical curve: the data stored in the memory can be reproduced

   can zoom 1/2/4/8/16/32 times

  Alarm information: a total of 15 records are displayed


• Temperature and pressure compensation function


Measuring device: orifice, vortex (current type), vortex (frequency type)

  Measuring medium: steam, water, general gas

   Steam temperature: 0~600℃

   Steam pressure: 0.1~22MPa

   Steam status: Automatically judge saturated steam and superheated steam

  Water temperature: 0~150℃

  Water pressure: 0.6MPa, 1.6MPa

   Gas Compression Coefficient: Air, oxygen and nitrogen can be queried automatically, and constants can be set for general gases.

   Vortex coefficient: 0.00000~999,999


• Storage function

External storage

    Media: USB flash drive

     Format: FAT32

     method: file record

     Capacity: Maximum 2G

    Internal storage

    Media: Flash

     Format: Binary save

     method: continuous recording

    capacity: Recording interval Storage time
  1second 3day
  2second 6day
  5second 15day
  10second 30day
  15second 45day
  30second 90day
  1minute 180day
  2minute 360day
  4minute 720day



•Alarm function


Number of settings: Up to 4 alarms can be set per channel.

  Alarm types: upper limit alarm, upper limit alarm, lower limit alarm, lower limit alarm

   Delay alarm: It can be set in the parameter setting, and all alarms use the same setting.

   Setting range: 0~10 seconds.

   display: When an alarm occurs, the measurement data display screen has an alarm status display.


•About the clock


Clock: Hardware clock, keep running after power failure.

  Operating range: 2001~2099

  Clock accuracy: ±10ppm (0~50℃), not including when the power is turned on

   delay error (less than 1 second).


• Power section


Rated voltage: 220VAC

  Using power supply voltage range: 85VAC~265VAC

  Rated frequency: 50Hz

   Power consumption: Maximum 10W (including optional functions)

  Normal operating conditions

     Power supply voltage: 220VAC

     Power frequency: 50Hz

     Ambient temperature: 0~50℃

   Environment humidity: 0%~85% (no condensation)

   Warm-up time: 30 minutes after power on

   Installation location: Indoor


• Additional specifications


•Alarm output relay

     Number of output points: 2 points

     Contact type: normally open contact

     Contact capacity: 3A/250VAC

  •Communication function

     Media: RS-232 or RS-485

     Protocol: Modbus-RTU (slave) protocol

     Communication rate: 1200/2400/4800/9600/19200/38400/57600

  •Print function

     Printer: Panel type micro printer

     Print content: real-time data, historical data, cumulative report

     Printing method: manual printing, regular printing

  •Analog output

     Signal type: 4~20mA

     Number of output points: 1 point

     Output mode: The transmission output of the measurement channel.

     Maximum load: 750Ω

  •24VDC transmitter power output

     Output voltage: 24VDC

     Rated output current: 65mADC (overcurrent protection operating current: about 90mA)

  •USB interface

     USB interface specification: in line with Rev2.0 standard, host function

Number of      interfaces: 1 (front)

     Connectable equipment: USB memory (USB flash drive)

   •Accumulation/Report function

     Cumulative points: the same as the number of input channels, each input channel can be accumulated

     Accumulation range: 0~999,999,999

     Types of reports: Times, 8-hour shift, 12-hour shift, daily + monthly

   Report type    
  Report length: length of time
  Times 16day
  8Hourly shift 128day
  12Hourly shift 192day
  Daily + Monthly 1year
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