Ebimicro MFCTH User Manual Download Page 1

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https://ebimicro.com

Hoogkamerstraat 188, 9140 Temse
Oos-Vlaanderen Belgium
+32 470 80 80 83
e-mail: [email protected]

MFCTH

Temperature and Humidity Controller

User Guide

Version

1.1

Summary of Contents for MFCTH

Page 1: ...https ebimicro com Hoogkamerstraat 188 9140 Temse Oos Vlaanderen Belgium 32 470 80 80 83 e mail info ebimicro com MFCTH Temperature and Humidity Controller User Guide Version 1 1 ...

Page 2: ...Sensor connection 10 Analog Output 14 Relay Output 15 DEVICE HARDWARE SETTING 16 DEVICES MENU SETTING 16 Menu structure and guidance 16 Temperature set point 17 Relative Humidity set point 17 Heat Cool Mode 18 Humidifying Dehumidifying mode 18 Use Multiple sensors 18 Number of sensors 19 Network Settings 19 Output Type 20 PID Enable 20 Open Collector Output 20 Reset 20 Standby 20 MODBUS REMOTE CON...

Page 3: ...gging data to a PC and as well being controlled and monitored remotely from distance 1200m A free of charge application Ebicon can be downloaded to control and monitor the controller and also logging the data locally A mixed output can help you have different possibilities from analog to relay controlling according to your needs The device has PID control function which helps to have smarter contr...

Page 4: ...its specification please refer to the device datasheet for more info available on https ebimicro com mfcth Wall mounting installation You can follow the enclosure dimension on MFCTH datasheet to install the device but Before mounting MFCTH on the wall please note the following To give your device a longer life time try to install it in an environment covered from direct son light the enclosure is ...

Page 5: ...tem Humidity system Relay output 1 Relay output 2 Analog Output 1 A1 GND Analog Output 2 A2 GND DO NOT MIX ANALOG AND RELAY OUTPUT IN CASE OF USING AC MOTOR CONTACTOR GND_Sensor SDA_Sensor SCL_Sensor V _Sensor GND 24V DC RS485 A RS485 B GND_Analog Output1 Temp Analog Output1 Temp GND_Analog Output2 Rh Analog Output1 Rh Relay Output2 Rh Relay Output1 Tmp SHT2x SHT3x Follow the wiring diagram printe...

Page 6: ...label printed on the PCB and match the connection to the following instruction step by step Power Supply Prepare a stable DC power source between 12 to 36 VDC 24V recommended and follow the terminal labeling to connect it to MFCTH Make sure the power is off before and until the installation is completely done ...

Page 7: ...a device can lead to NOT being able to communicate with that device In many cases the whole communication systems can stop working owing to the reverse polarity voltage found on the terminals of incorrectly connected device In order to avoid this problem it is recommended that the cable of same color should be used to connect all A terminals together and similarly cable of same color but different...

Page 8: ...tion of your network falls in above situation To activate the terminal resistor please follow the related instruction for modifying menu on the device or use Ebicon application Grounding For MODBUS communications properly grounding your instrument is important especially when working close to high voltage sources such as PV arrays An instrument that is not appropriately grounded can give false rea...

Page 9: ...ironment traverses each pair of coils in opposite directions and its effect is thus very reduced theoretically the effect on each coil is exactly the opposite of the effect on the next one and thus the effect is cancelled Wiring characteristics 0 22 0 5 mm2 for runs up to 300 meters 0 5 0 75 mm2 for runs up to 1200 meters Characteristic impedance 120 Ohm 10 Use Shielded twisted pair cable if the b...

Page 10: ...nger connection is required it s possible to use one of our I2C bus repeater I2CR or I2C bus repeater line extender I2CRL Multiple sensors connection It s possible to connect a sensor multiplexer SM8 to MFCTH which allows you to read multiple sensor up to 8 sensors with a milliseconds time delay In case of using sensor multiplexer MFCTH will make an average of both temperature and humidity measure...

Page 11: ...reading time and errors 3 Enable using Multiple sensors see Menu Instruction 4 Edit the number of sensors you will connect and would like to read I2C repeater Line extender In case of longer bus length required to install your sensor far from the controller unit we have two solutions for a short range 5meters and also long range 35meters The installation and wiring needs to be done following the t...

Page 12: ...9140 Temse Oos Vlaanderen Belgium 32 470 80 80 83 12 SHT2x SHT3x Sensors Follow the wiring diagram printed on PCB MAX 1m OR MFCTH SM8 MAX 2m 2M max MFCTH I2CR 2 I2CRL I2C bus repeater and line extender for maximum 35 meters length connection ...

Page 13: ...bimicro com Hoogkamerstraat 188 9140 Temse Oos Vlaanderen Belgium 32 470 80 80 83 13 MAX 30m OR MFCTH SM8 MAX 2m 2M max MFCTH I2CR_LE SHT2x SHT3x Sensors Follow the wiring diagram printed on PCB MAX 1m I2CR_LE ...

Page 14: ...ually to control your environmental controlling equipment cooling or heating humidifying or dehumidifying like motor drivers or any kind of controlling equipment that would be used to control the temperature or relative humidity of your installation The outputs are providing 4 analog output type as follow 1 0 10VDC 2 0 20mA 3 4 20mA 4 PWM Analog output connection A1 Temperature Control Output A2 R...

Page 15: ... huge effect for a smarter and more efficient control of your environment Relay Output As like analog output MFCTH will provide you also to individual relay output for both temperature and relative humidity It can be used to activate a switch alarming system or any kind of warning or activator system that would work with the relay specification see Figure 1 Relay Output Specification ...

Page 16: ...NG The MFCTH doesn t requires any hardware setting in order to operate DEVICES MENU SETTING Most of settings of MFCTH are possible to be set modified using keypad of the device By default the screen shows measured temperature and relative humidity after each other for about 5 secs each with a prefix character to recognize one from the another The temperature will be shown with char as prefix and r...

Page 17: ...1 8 Menu Structure As explained the default value to show on display are measured temperature and relative humidity but you can enter the menu settings by pressing both up down buttons at the same time The menu will start with set value for temperature set point and you can scroll Up Down using Up Down buttons as shown in menu structure Menu Instruction Temperature set point You can set the setpoi...

Page 18: ...it gets dry So the controller needs to try to humidify it up to the desired humidity set point as it goes below the set point 2 Dehumidifying Mode means your enviremet soppused to dehumidified and by default it gets humid So the controller needs to try to dehumidfy to the desired hemid set point as it goes above the set point Use Multiple sensors It s possible to connect and read multiple sensors ...

Page 19: ...tivate the terminal resistors of 1 or maximum 2 devices Attention Please never active the terminal resistors of two device within your network to avoid dropping the bus resistance below the acceptable level and getting communication issues Parity As a part of Modbus over serial line specification it s possible to set the parity to None Even or Odd Attention It s highly recommended to leave this se...

Page 20: ...you can use Ebicon application Open Collector Output The analog output of MFCTH can be set to Open Collector as well in case if needed Attention Enable this function if you familiar with the topic or ask your expert if it needed to be enabled for your installation Reset It s always possible to reset all your configurations By resetting your controller all Modbus Holding registers will be back to t...

Page 21: ...on_DB to monitor and modify your controller settings registers as well to save all measured and output values to keep track on your local machine PC Download the application from below link and take the steps to install and operate https ebimicro com ebicon 1 Prepare a USB to RS485 converter it s possible to order a high quality and industrial grade of the converter on our website 2 Power off your...

Page 22: ... and set the range of slave IDs you would like to search for on your network 7 If everything installed correctly your will see your slave devices will appear on the list of founded devices You will see that after finishing the searching period all devices will update their measured values temperature and relative humidity for MFCTH controllers and only temperature for MFCT controllers By Clicking ...

Page 23: ...https ebimicro com Hoogkamerstraat 188 9140 Temse Oos Vlaanderen Belgium 32 470 80 80 83 23 ...

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