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JUMO hydroTRANS S20 Humidity and temperature transmitter with optional CO module, wall-mounted version Operating Manual 90704200T90Z001K000 V3.00/EN/00767180/2024-07-01...
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Further information and downloads qr-907042-en.jumo.info...
About this documentation 1 About this documentation Purpose This documentation is part of the device and includes all information to ensure that it is used safely and as intended across all phases of the product lifecycle. If you do not follow the documentation and safety information, this may result in risk to life and damage to property due to improper use.
Safety 2 Safety Intended use The humidity and temperature transmitter monitors the ambient air quality. The device is suitable for wall mounting in indoor areas and weather-proofed outdoor areas. The operating manual is part of the device. The device is only intended for use according to this operat- ing manual.
Description 3 Description Structure Front view Front view (Device without display) (Device with display) Housing rear Cable fitting Housing front Filter cap Display (TFT display) Sensor housing Function Measurand Function principle Relative humidity Capacitive measurement technology Temperature Semiconductor measurement technology Carbon dioxide (CO Photoacoustic measurement technology The process values of the measurands can be displayed on the optional display and issued to a higher-...
3 Description Nameplate Example: Housing rear (Rear view) Order code Fabrication number Manufacturer and address Power consumption UKCA identification marking Part no. CE identification marking Protection type according to DIN EN 60529 Data Matrix code Disposal Voltage supply (DC) Observe device documentation! Scope of delivery Device in the ordered version Brief instructions...
Technical data 4 Technical data Electrical safety Requirements DIN EN IEC 61010-1:2020 The device must be equipped with an electrical circuit that meets the require- ments for "Limited-energy circuits". Electrical data Device with analog output Voltage supply DC 24 V, -33 %/+33 %, SELV, PELV Power consumption ≤...
4 Technical data Outputs Device with analog output Current output Signal range 4 to 20 mA Output signal limits 0 to 22 mA Accuracy ≤ ±0.1 % in relation to the end of the signal range (20 mA) Temperature influence ±50 ppm/K Burden influence ≤...
4 Technical data 4.5.2 Function Transfer of configuration data and device information Communication Via end device and setup software Transmission standard USB 2.0 Connector type Micro-B Power requirement ≤ 500 mA Cable length ≤ 5 m Display Type TFT display Size Display range 35.04 mm ×...
Mounting 5 Mounting Mount cable fitting Aids Torque wrench with open-ended insert, wrench size 20 Material Cable fitting Thread sealing ring Procedure: 1. Place the thread sealing ring (1) on the socket (2) of the cable fit- ting. 2. Insert the cable fitting into the underside of the housing and tighten.
5 Mounting Mounting the device Aids Cross-headed screwdriver Material 2 Fastening screws (socket button self-tapping screw 4.8 × 38) Requirements: • The mounting holes have been drilled. Procedure: 1. Mount the device using the fas- tening screws (1). Electrical connection: Page 17...
Electrical connection 6 Electrical connection Connection elements Housing rear (front view) Spring-cage terminals 6.1.1 Terminal assignment Spring-cage terminals Designation Description Assign- Designation Description Assign- ment ment Analog output Relative humidity RS485 RS485 A (D+) Temperature RS485 GND RS485 B (D-) Analog output GND DC 24 V DC 24 V...
6 Electrical connection Connecting the device Aids Slotted screwdriver Torque wrench with open-ended insert, wrench size 20 Material Connecting cable, "Electrical data ", Page 10 Requirements: • The system has been de-energized and secured against being switched on again. •...
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6 Electrical connection 5. Complete the electrical connection. 6. Tighten the acorn nut. Tightening torque: 1.5 Nm 7. Place the housing front (4) on the housing rear (5). Lock the quick-release screws with a quarter turn. The housing is tightly sealed. 8.
Operation 7 Operation Display elements 7.1.1 Startup display The startup display appears as soon as the voltage supply to the device is established. The startup dis- play switches to the process value display after approximately five seconds. Pos. Designation Description Startup display Shows the device name.
Setup program 8 Setup program The setup program is used to configure the devices and can be downloaded free of charge from the product website of the manufacturer. The configuration data that is created can be saved in a file and transferred between the device and set- up program.
Configuration 9 Configuration The default settings are shown in bold in the following tables. File info In the File info menu you can enter information about the configuration file. Device version The Device version menu provides an overview of the device hardware installed. System data Parameter Value...
9 Configuration Measurand correction Parameter Value Description Relative humidity Offset – Temperature Offset – Carbon dioxide Offset, Automatic self-calibration – Relative humidity Parameter Value Description Offset Input range: Process value correction, also af- -15 to 15 % (0.0) fects the calculated values. Temperature Parameter Value...
9 Configuration Analog outputs Analog output 1/2/3 > Source > Analog selector Parameter Value Description No selection – Analog output 3 Measured values Relative humidity (RH) Analog output 1 Temperature (T) Analog output 2 Carbon dioxide (CO2) – Calculated values Dew point (Td), Mixing ratio (x), –...
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9 Configuration Analog output 1/2/3 > Source > Analog selector > Calculated values > Dew point (Td) Parameter Value Description Signal type 4 to 20 mA, 0 to 10 V – Scale start Input range: – -99999 to 99999 °C (-40) Scale end Input range: –...
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9 Configuration Analog output 1/2/3 > Source > Analog selector > Calculated values > Wet-bulb temperature (Tw) Parameter Value Description Signal type 4 to 20 mA, 0 to 10 V – Scale start Input range: – -99999 to 99999 °C (0) Scale end Input range: –...
Modbus address tables 10 Modbus address tables 10.1 Version and fabrication number Modbus PDU Data type Number of Access Data Coding address Modbus registers Dec. 0x0015 String Software version number – 0x0036 String Hardware version number – 0x005E String Fabrication number –...
10 Modbus address tables 10.2.3 Measurand correction Modbus PDU Data type Number of Access Data Coding address Modbus registers Dec. 1200 0x04B0 Float Offset Temperature -15 to 15 °C -27 to 27 °F 1202 0x04B2 Float Offset Relative humidity -15 to 15 % 1204 0x04B4 Float Offset Carbon dioxide...
Troubleshooting 11 Troubleshooting 11.1 Process value error With error messages in line with the NAMUR classification NE 107, process value errors are supple- mented by symbols and a two-line message (alternating with the process display). Error message Possible cause Remedy <<<<<...
Maintenance and cleaning 12 Maintenance and cleaning 12.1 Replacing filter cap Requirements: • The system has been de-energized and secured against being switched on again. • A clean and dry storage location has been prepared. Procedure: 1. CAUTION! Exposed sensor board (3).
Shutdown 13 Shutdown 13.1 Dismounting Aids Screwdriver Requirements: • The system has been de-energized and secured against being switched on again. Procedure: 1. Loosen the quick-release screws on the housing front. 2. Remove the housing front and place it down, taking care to protect it from pollutants. 3.
Spare parts and accessories 14 Spare parts and accessories Designation Part no. USB cable, A to Micro-B 00616250 Plastic sinter filter (Ø = 18 mm) 00754581 Plastic membrane filter (Ø = 18 mm) 30048149 JUMO hydroTRANS setup program 00775170...
Insofar as the respectively applicable license terms justify a claim on the provision of source code or oth- er information, JUMO GmbH & Co. KG will provide the source code and the license texts on a conven- tional data carrier at the cost incurred for the provision of the data carrier.
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JUMO GmbH & Co. KG JUMO UK LTD JUMO Process Control, Inc. Street address: JUMO House 6724 Joy Road Moritz-Juchheim-Straße 1 Temple Bank, Riverway East Syracuse, NY 13057, USA 36039 Fulda, Germany Harlow, Essex, CM20 2DY, UK Delivery address: Phone:...
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