Oppermann Regelgeräte CO2TRH Manual Download Page 12 | Manualshive

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CO

2

-, temperature and humidity transducer CO2TRH

12

|

14

| Sensors PG1 | Data sheet No. 14110 | Version 04-2017

Parameter programming/scaling of outputs

Determining the lower / upper sensor range for the voltage output

Example for the lower threshold value "LOW". Upper threshold value "High" is adjusted accordingly.

Low 600ppm

600, 550…400ppm

Low 400ppm

Parameter programming - relay output

Relay

Type Digital

Changing the assignment of the variable to the output signal

Source

Confirmation

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Summary of Contents for CO2TRH

Page 1: ... 30 ppm 3 of the sensor reading RH 5 RH at 20 80 RH Sampling cycle every 15 seconds CO2 pressure sensitivity 1 6 of the sensor reading per kPa deviation from standard pressure 100 kPa Service interval 5 years recommended for the first inspection Service life 15 years Rated ambient conditions Humidity 0 95 RH non condensing Storage temperature 30 70 C Operating temperature 0 50 C Protection type IP...

Page 2: ...usion based carbon dioxide sensor facilitates a stable and reliable high precision signal The installed relay closes at values of 1 000 ppm CO2 and opens at values of 900 ppm This also supports direct signa ling of excessive concentrations or supplemental ventilation Self calibration is performed automatically every time the power supply is connected and at regular intervals thereafter In order to...

Page 3: ...uthorized or inappropriate manipulations or modifications of the device render the operating permit the product warranty and warranty claims null and void Attention the correct positioning and proper technical connec tion of cables is a basic condition for proper technical function The airflow requires particular attention Note the following instructions The sensor must be mounted vertically on an...

Page 4: ...ing Figure 1 Plint Outputs factory settings Terminal Default Output Default Output Range OUT 1 0 10 VDC 0 2000 ppm CO 2 OUT 2 0 10 VDC 0 50 o C OUT 3 0 10 VDC 0 100 RH Outputs can be individually configured via the menu only by appropriately trained and instructed technicians We recommend keeping the factory settings ...

Page 5: ...ividual display and graphic tracking display and can also be used to enter the alarm thresholds The enhanced display options are programmed at the screen level and the transmitter parameters are programmed in the settings level Only the PIN2 4 x Zero 0000 is stored in the default condition This PIN controls access to the Settings parameter programming level If required a PIN1 can be additionally a...

Page 6: ...hold values of alarm display yellow and red CO2 for yellow limit for illustration The procedure is the same for temperature and relative humidity and RED limit 100 ppm SET CO2 red limit 1000ppm RH yellow limit 70 RH CO2 red limit 1000ppm RH yellow limit 70 RH Change 24h week Back to the next higher level menu by tapping ...

Page 7: ...anded screen setting Screen Attention optional only when PIN1 is active one pin is queried in this case Factory setting no PIN Brightness To save energy and to extend the service life of the display we recommend not adjusting the brightness higher than 90 10 20 100 Invert background Sleep mode 3 4 5 10 s ...

Page 8: ...CO2 temperature and humidity transducer CO2TRH 8 14 Sensors PG1 Data sheet No 14110 Version 04 2017 Blink alternating mode 3 s 3 s Temperature UoM C or F ...

Page 9: ...te knowledge The necessary PIN default setting 4 x 0 must only be entered and this area must only be accessed specifically when the aforementioned conditions have been met We will not honor product warranties or assume liability in the event of forgotten or lost PINs All modifiable fields have a green perimeter Fields that cannot be changed parametrized have a gray perimeter By jumping back via th...

Page 10: ...omatic detection Modbus or BACnet Supplemental instructions RESET causes the incorporation of changes to the bus parameters warm start PIN 1 can be used to program access to the display settings In this case no PIN is active needed in the default condition PIN 2 can be used to program access to the parameter programming levels with a new PIN factory setting 0000 ATTENTION if the PIN is changed sto...

Page 11: ... for temperature and humidity An offset can be applied to the sensor value if the sensor location is not ideal and deviations from the target reference value are identified 0 0 0 1 0 2 C Parameter programming scaling of outputs Determining the output voltage range Outputs Example Output 2 Out2 Max 10 0V 9 9V 5 0V Confirmation ...

Page 12: ...outputs Determining the lower upper sensor range for the voltage output Example for the lower threshold value LOW Upper threshold value High is adjusted accordingly Low 600ppm 600 550 400ppm Low 400ppm Parameter programming relay output Relay Type Digital Changing the assignment of the variable to the output signal Source Confirmation ...

Page 13: ...erally needed no earlier than after 5 years Menu structure for CO2 calibration not recommended Should always be performed at the factory 3 s 3 s Temperature UoM C or F Inverting outputs Analogue Analogue invert CO2 calibration This is intentionally not described even if the menu provides the option We ask that you not make changes take actions in this area We also recommend that you refrain from c...

Page 14: ...r Try to restart sensor by power OFF ON Contact local distributor 3 RH T sensor com error No ability to communicate with RH T sensor module 4 RH T sensor RH measure error RH measurement error 5 RH T sensor T measure error Temp measurement error sensor will use CO2 sensor temperature if RH T Temperature is unavailable S_Temp will be set to NTC_Temp 6 7 8 Output config error Error in output configur...

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