RSMFM-2R MULTIFUNCTIONAL

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1 MULTIFUNCTIONAL ROOM Mounting and operating instructions

2 Table of contents SAFETY AND PRECAUTIONS 3 PRODUCT DESCRIPTION 4 ARTICLE CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 OPERATIONAL DIAGRAMS 5 MOUNTING & OPERATING INSTRUCTIONS IN STEPS 5 OPERATING INSTRUCTIONS 7 VERIFICATION OF INSTALLATION INSTRUCTIONS 8 MODBUS REGISTER MAPS 8 TRANSPORT AND STORAGE 10 WARRANTY AND RESTRICTIONS 10 MAINTENANCE 10 MIW--EN / 11 /

3 SAFETY AND PRECAUTIONS Read all the information, the datasheet, mounting and operating instructions and study the wiring and connection diagram before working with the product. For personal and equipment safety, and for optimum product performance, make sure you entirely understand the contents before installing, using, or maintaining this product. For safety and licensing (CE) reasons, unauthorised conversion and / or modifications of the product are inadmissible. The product should not be exposed to abnormal conditions, such as: extreme temperatures, direct sunlight or vibrations. Long-term exposure to chemical vapours in high concentration can affect the product performance. Make sure the work environment is as dry as possible; avoid condensation. All installations shall comply with local health and safety regulations and local electrical standards and approved codes. This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions. Avoid contacts with energised electrical parts. Always disconnect the power supply before connecting, servicing or repairing the product. Always verify that you apply appropriate power supply to the product and use appropriate wire size and characteristics. Make sure that all the screws and nuts are well tightened and fuses (if any) are fitted well. Recycling of equipment and packaging should be taken into consideration and these should be disposed of in accordance with local and national legislation / regulations. In case there are any questions that are not answered, please contact our technical support or consult a professional. MIW--EN / 11 /

4 PRODUCT DESCRIPTION ARTICLE CODES The series are multifunctional room transmitters which measure temperature, relative humidity, concentration level and ambient light. They are Power over Modbus supplied and all parameters are accessible via Modbus RTU. Code Supply Connection 24 VDC, PoM RJ45 INTENDED AREA OF USE Monitoring temperature, relative humidity and level in HVAC applications Suitable for residential and commercial buildings For indoor use only TECHNICAL DATA Selectable temperature : 0 50 C Selectable relative humidity : 5 85 % Selectable : ppm Ambient light sensor with adjustable active and standby level Bootloader for updating the firmware via Modbus RTU communication 3 LEDs for status indication Accuracy: ±0,4 C (0 50 C); ±3 % rh (5 85 % rh); ±30 ppm ±3% ( ppm ), depending on the selected parameter Maximum power consumption: 1,2 W Nominal power consumption in normal operation: 0,9 W Imax: 50 ma Enclosure: rear plate: plastic ABS, black (RAL 9004) front cover: ASA, ivory (RAL 9010) Protection standard: IP30 (according to EN 60529) Operating ambient conditions: temperature: 0 50 C rel. humidity: 5 85 % rh, (non-condensing) Storage temperature: C STANDARDS Low Voltage Directive 2014/35/EC; EN 60529:1991; EN :2011 EMC Directive 2014/30/EC; EN :2011, EN :2007, EN :2007, EN :2013, EN :2013 WEEE 2012/19/EC RoHs Directive 2011/65/EC MIW--EN / 11 /

5 OPERATIONAL DIAGRAMS Input register 1, 2 or 4 [%] 100 Minimum Minimum alert Maximum alert Maximum Out of Alert Within Alert Out of T, [ C] / rh [%] / [ppm]* * LED indications refer to T (default), rh or, depending on the selected parameter MOUNTING & OPERATING INSTRUCTIONS IN STEPS Before you start mounting the room transmitter, read carefully Safety and Precautions. Choose a smooth surface (a wall, panel and etc.). Follow these steps: 1. Using a flat screwdriver, remove the front white cover by releasing the snap-fits on its both sides (See Fig. 1 Snap-fits release). 2. Insert the crimped RJ45 cable through the opening on the rear plate and plug it into the socket (See Fig. 2 Mounting dimensions.) 3. Using suitable fastening materials (not supplied), position the room sensor at least 1,5 m from the floor. When planning the installation, allow enough clearance for maintenance and service. Mount the sensor in a well-ventilated area. Mind the correct mounting position and unit dimensions. See Fig. 2 and Fig. 3. Fig. 1 Snap-fits release Fig. 2 Mounting dimension Fig. 3 Mounting position Correct Incorrect 59,8 2x Ø 6 74, ,6 9,8 104,5 Position at min. 1,5 m from the floor 70,5 104,5 4. Do the wiring according to the wiring diagram (see Fig. 4). MIW--EN / 11 /

6 5. Fig. 4 Wiring diagram 24 VDC Supply voltage 24 VDC GND Ground A Modbus RTU communication, signal A /B Modbus RTU communication, signal /B RJ45 24 VDC 8 mm A /B GND 8 mm 8 mm 8 mm RJ Put back the cover and snap it in. 6. Switch on the mains supply. Optional settings If your unit is the first or the last unit on the Modbus RTU network (see Example 1 and Example 2), enable the NBT resistor via 3SModbus or Sensistant. If your device is not an end device, leave the NBT disabled (default Modbus setting). Example 1 Example 2 Slave 1 RX RX NBT NBT Slave 2 Master ТX NBT Slave n Master NBT Slave 1 Slave 2 ТX NBT Slave n ATTENTION Do not expose to direct sunlight! MIW--EN / 11 /

7 OPERATING INSTRUCTIONS Calibration procedure: No relative humidity and temperature sensor calibration is necessary. By default, the sensor element is self-calibrating. Optionally, the sensor element can be calibrated and verified manually via SSCDM. For this purpose, the sensor element is removable. More information is available in the SSCDM datasheet and mounting and operating instructions. Bootloader Thanks to the bootloader functionality, the sensor firmware can be updated via Modbus RTU communication. To enter Boot mode, put a jumper onto pins 3 and 4 of the P1 header and restart the power supply (see Fig. 5). Once Boot mode is activated, the firmware can be updated via SM Boot application (part of 3SModbus software suite) or Sensistant. Fig. 5 P1 header Put a jumper onto pins 1 and 2 and wait for at least 5 seconds to reset the Modbus communication parameters Put a jumper onto pins 3 and 4 and restart the supply to enter bootloader mode LED indications 1. When the green LED is on, the measured value (temperature, relative humidity or ) is between the minimum and maximum alert values (Fig 6-1). 2. When the yellow LED is on, the measured value (temperature, relative humidity or ) is in the alert (Fig 6-2). 3. When the red LED is on, the measured value (temperature, relative humidity or ) is below the minimum measurement value or above the maximum value. Blinking red LED indicates loss of communication with a sensor (Fig 6-3). Fig. 6 LED indications NOTE By default, the LED indication refers to temperature measurements. This can be changed to relative humidity or values via Modbus Holding Register 26 (see Table Holding registers below). Ambient light sensor It measures the ambient light levels in order to activate or deactivate Input Register 6. There are two Holding Registers for setting Active or Standby light level in luxes. MIW--EN / 11 /

8 If the measured light level is below the Standby level, Input Register 6 indicates Standby. If the measured ambient light level is above the Active level, Input Register 6 indicates Active. If the measured ambient light level is between the Active and Stand-by level, Input Register 6 indicates Low intensity, therefore it is advisable to set Active and Standby levels in Holding Registers 34 and 35 according to the ambient lighting. VERIFICATION OF INSTALLATION INSTRUCTIONS MODBUS REGISTER MAPS After switching on the power supply one of the LEDs lights up according to the status of the measured variable. If this is not the case, check the connections. INPUT REGISTERS Data type Description Data Values 1 Temperature reading signed int. Actual temperature level ,0 C 2 Relative humidity level Actual relative humidity level ,0 % rh 3 Dew point signed int. Calculated dew point ,0 C 4 Actual level ppm 5 Ambient light intensity Measured light intensity lx 6 Active / standby 7 10 Reserved, return Output value 1 (temperature) Output value 2 (relative humidity) Active or Standby indication according the Active / Standby light level defined via holding registers 34 and 35. If the measured light level is between the two levels the indication is 0 (Low intensity) 0 2 Analog output value for temperature (T).000 Analog output value for relative humidity (rh) Output value 3 ( ) Analog output value for Temperature alert flag 15 Relative humidity alert flag 16 alert flag 17 Temperature limit flag 18 Relative humidity limit flag 19 limit flag 20 Humidity / temperature sensor fault 21 Sensor fault 22 Ambient light sensor fault Flag indicates that measured temperature is outside set alert values. Set to 1 when the measured value is outside the temperature alert values defined by holding registers 20 and 21. Flag indicates that measured relative humidity is outside set alert values. Set to 1 when the measured value is outside the relative humidity alert values defined by holding registers 22 and 23. Flag indicates that measured level is outside set alert values. Set to 1 when the measured value is outside the limit values defined by holding registers 24 and 25. Flag indicates that measured temperature is outside set limit values. Set to 1 when the measured value is outside the temperature limit values defined by holding registers 14 and 15. Flag indicates that measured relative humidity is outside set limit values. Set to 1 when the measured value is outside the relative humidity limit values defined by holding registers 16 and 17. Flag indicates that measured level is outside set limit values. Set to 1 when the measured value is outside the values defined by holding registers 18 and 19. Flag indicates if the communication with the temperature and humidity sensor is lost. Flag that shows if the communication with the sensor is lost. Flag that shows if the communication with the ambient light sensor is lost. 2 = Low light intensity Active Standby 0 % 100 % 0 % 100 % 0 % 100 % Measured temperature is OK Measured temperature is too high/ low Measured rh is OK Measured rh is too high/ low Measured is OK Measured is too high/ low Temperature is OK Temperature is too high/ low rh is OK rh is too high/ low is OK is too high/ low No Yes No Yes No Yes MIW--EN / 11 /

9 HOLDING REGISTERS Data type Description Data Default Values 1 Device slave address Modbus device address Modbus baud rate Modbus communication baud rate Modbus parity mode Parity check mode Device type Device type (Read only) = = 3 = 4 = 5 = 6 = 2 = HW version Hardware version of the device (Read only) XXXX 0x010 HW version FW version Firmware version of the device (Read only) XXXX 0x010 FW version Reserved, return Minimum temperature Maximum temperature Minimum relative humidity Maximum relative humidity 18 Minimum 19 Maximum Minimum temperature alert Maximum temperature alert Minimum relative humidity alert Maximum relative humidity alert Minimum value of the temperature ; cannot be set higher than max. temperature minus 5ºC Maximum value of temperature ; cannot be set lower than min. temperature rang e plus 5ºC Minimum value of the rh ; cannot be set higher than max. rh minus 5 % Maximum value of rh ; cannot be set lower than min. rh plus 5% Minimum value of the ; cannot be set higher than max. minus 100 ppm Maximum value of ; cannot be set lower than min. plus 100 ppm Minimum temperature alarm value Maximum temperature alarm value Minimum relative humidity alarm value Maximum relative humidity alarm value. 8N1 8E1 8O1 0 (Max. 50) ,0 C (Min. + 50) ,0 C 50 (Max. 50) ,0 % rh (Min. + 50) = 85,0 % rh 0 (Max. 100) ppm (Min ) ppm Min. temperature Max. temperature alarm Min. temperature alarm Max. temperature Min. relative humidity Max. relative humidity alarm Min. relative humidity alarm Max. relative humidity ,0 ºC ,0 ºC ,0 % rh ,0 % rh 24 Minimum alert Minimum alarm value Min. Max. alarm ppm 25 Maximum alert Maximum alarm value Min. alarm Max ppm 26 LED indication LED indication related to one of the parameters Reserved, return Modbus network resistor termination (NBT) Set device as ending the line or not by connecting NBT Reserved, return Active level 35 Standby level 36 Modbus registers reset The ambient light level above which Active is indicated in input register 6 The ambient light level below which Standby is indicated in input register 6 Resets Modbus Holding registers to default values. When finished this register is automatically reset to = 3 = Temperature rh NBT disconnected NBT connected = 100 lx lx 0 Idle Reset Modbus registers 37 module self calibration (ABC logic) algorithm Enables or disables the module selfcalibration algorithm. If enabled, the sensor will typically reach its operational accuracy after 24 hours of continuous operation. The sensor will maintain its accuracy given that it is exposed to a reference level of 400 ppm at least once in a 7 day period 1 Disabled Enabled Reserved, return 0 If you want to find out more about Modbus over serial line, please visit: MIW--EN / 11 /

10 TRANSPORT AND STORAGE Avoid shocks and extreme conditions; stock in original packing. WARRANTY AND RESTRICTIONS MAINTENANCE Two years from the delivery date against defects in manufacturing. Any modifications or alterations to the product after the date of publication relieve the manufacturer of any responsibilities. The manufacturer bears no responsibility for any misprints or mistakes in this data. In normal conditions this product is maintenance-free. If soiled, clean with a dry or damp cloth. In case of heavy pollution, clean with a non aggressive product. In these circumstances the unit should be disconnected from the supply. Pay attention that no fluids enter the unit. Only reconnect it to the supply when it is completely dry. MIW--EN / 11 /