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SD-280 optical smoke detector

This device is designed to detect the presence

of fire inside residential or commercial

buildings. The detector can be powered either

from the regulator, or from an external power

supply of 12Vdc. When an external power

supply is used, connect the terminals

“ALARM” to the terminals "GND" and "IN1".

If the detector is powered from the regulator

is necessary to use power supply of 12Vdc for

power supplying the regulator

Notice:

The connecting cables should be located as far as possible from the potential interference

sources. The cable shield connect to “Shield” terminal of regulator only.

14. Appendix D

Wiring diagram of relay contacts for devices with serial number lower

than

16981000

Содержание AR006683

Страница 1: ...Temperature humidity and pressure regulator with RS232 serial output AR006684 AR006683 Instruction Manual ...

Страница 2: ... 1 Supported functions 17 6 1 2 Jumper 17 6 1 3 Modbus registers of the regulator 17 6 1 4 Far controlling of output relays status 18 6 1 5 Output relay alarm condition configuration with using of Modbus communication protocol 2 19 6 2 PROTOCOL COMPATIBLE WITH ADVANTECH ADAM STANDARD 20 6 2 1 Jumper 21 7 ERROR STATES OF THE DEVICE 22 8 READINGS ON LCD DISPLAY 23 9 PREVENTIVE MAINTENANCE AND CALIBR...

Страница 3: ...ables if the device is under electric voltage Do not use the instrument without the cover Do not use the instrument if it does not work correctly If the instrument seems not to work correctly have it checked by a qualified service person Do not use the instrument in an explosive environment Read instruction manual before the first device connection please Copyright It is prohibited to copy and edi...

Страница 4: ... Modbus RTU communication protocol If you would like to use different communication protocol then Modbus RTU it is necessary preset them see latter Temperature relative humidity and pressure sensors are non removable instrument parts except H4431 device that is designed for two wires connection of external Pt1000 temperature sensor Measured and computed values are displayed on dual line LCD It is ...

Страница 5: ...es with shielding The probe cable length and size of conductor affects measurement accuracy If connected probe is equipped with metal stem we recommend using probes with metal stem not connected to cable shielding Or else it is necessary to arrange metal stem is not connected to any other circuitry The cables for binary inputs and external sensor for regulator AR006683 must be placed as far as pos...

Страница 6: ...6 3 Dimensions AR006683 AR006684 Probe for compressed air measurement ...

Страница 7: ...facturer communication protocol Modbus RTU regulator address 1 communication speed 9600Bd no parity 2 stop bits Value assigned to Relay1 and Relay2 none Password for setting through keys PASS 0000 on temperature temperature pressure by device type relative humidity dew point temperature C hPa 0 hPa absolute pressure dew point temperature stay unchanged at previous condition LED diode lights if inp...

Страница 8: ...ee galvanically not isolated binary inputs It is possible to connect open contact or external voltage Auxiliary power supply U terminal can be used to supplying of external sensors and detectors Visualization of binary inputs is done by three LED diodes placed on the left side from LCD Green one represents input Binary 1 yellow input binary 2 and red input binary 3 If binary input is not connected...

Страница 9: ...tion 1 after device s power on the relay is close If far condition is assigned to output relay then there is possible to change the output relay status by Modbus communication protocol only See chapter 6 1 4 at page 18 5 4 2 When close output relay High limit HI the relay closes when measured value exceeds preset high limit for longer time than preset delay time Relay goes open when measured value...

Страница 10: ...rews in the corners of the box and removing the lid This jumper is suitable e g until device adjustment is in process and regulator is placed into calibration box and keys are not accessible Don t forget to remove open jumper after procedure finish restore write protection TSensor software supports to make the adjustment of the regulator too This procedure is described at file Calibration manual p...

Страница 11: ...e to change parameters available through Actual regulator preset only see chapter 5 4 at page 8 Rest of regulator parameters are available through Extended setting mode In this mode regulator does NOT communicate does NOT do any measurements and does NOT service output relays To leave this mode press ESC key and open jumper nearby keys To enter into Extended setting mode do following steps 1 disco...

Страница 12: ...te it Relay response for error Regulator continuously checks its state during operation In case error of assigned value measurement is found then output Relay1 Relay2 stays unchanged in previous status Relay1 switch OFF Relay1 switch On stays unchanged in previous status Relay2 switch OFF Relay2 switch On Change of Password for setting through keys PASS This item shows actual password setting It i...

Страница 13: ...etting Visualization of binary inputs Visualization of inputs is done by three LED diodes This option defines at which binary input status should LED diode indication lights LED diode lights if binary input is OPEN or CLOSED LED lights if binary input is OPEN LED lights if binary input is CLOSED Binary input 1 similarly 2 3 Temperature unit choice It is possible to measure temperature at C or F Th...

Страница 14: ...ble to set corresponding pressure offset for this altitude It is possible to change it after SET key pressing Pressure correction value is then automatically added to measured pressure value See chapter Error States of the device at page 22 Error 2 correction for altitude pressure correction value is from 25 0 to 650 0 hPa 0 363 to 9 427 PSI 0 74 to 9 19 inHg 25 0 to 650 0 mBar 5 8 to 150 8 oz in2...

Страница 15: ... line see Computed value selection below It is possible to change it after SET key pressing show value on LCD don t show value on LCD Show barometric pressure at LCD display This item provides to choice if actual barometric pressure may be displayed at LCD display or not It is possible to change it after SET key pressing show value on LCD don t show value on LCD Computed value selection It shows t...

Страница 16: ...ure pressure by device type value shown at second LCD line relative humidity dew point temperature temperature unit C pressure unit hPa correction for altitude 0 hPa absolute pressure computed value preset dew point temperature restore to factory default 6 Description of communication protocols Detailed description of each communication protocols including examples of communication is available in...

Страница 17: ...ion of jumper is as follows Jumper opened device memory is protected from writing from device side it is only enabled to read measured value writing to memory is disabled no change of settings is enabled Jumper closed writing to regulator memory is enabled 6 1 3 Modbus registers of the regulator Variable Unit Address hex X Address dec X Format Size Status measured temperature C F 0x0031 49 Int 10 ...

Страница 18: ...lay1 open closed Bit4 0 1 Relay2 open closed Bit5 0 1 internal acoustic alarm status Bit6 0 1 binary input 1 status Bit7 0 1 binary input 1 status Bit8 0 1 binary input 1 status Bit9 to 15 unused Note In case there is a need for reading of measured values from the device with higher resolution than one decimal measured values in device are stored also in Float format which is not directly compatib...

Страница 19: ...be done simultaneously or each register can be written alone 3 To address 0x004F 79 write value 1 Once this step is done new setting is physically stored into device memory confirm change Then registers 0x004F 79 and 0x0044 68 are automatically cleared zero It automatically unlocks the keyboard too Whole setting process can be cancelled by writing value 0 to address 0x0044 68 At this time no chang...

Страница 20: ...lay2 sec 0x004D 77 Time in seconds Time in seconds that the condition must be valid to evaluate alarm R W Hysteresis of Relay2 by value 0x004E 78 Value which must be set back below above a given threshold in order to open the relay R W Confirm changes 0x004F 79 Read always as 0 write 1 physically stores new setup into device s memory at the end the register is automatically reset to zero R W All r...

Страница 21: ...auses restoring of manufacturer setting of communication protocol i e sets Modbus RTU communication protocol device address sets to 01h and communication speed to 9600Bd after button press there is dEF message blinking at LCD display Six seconds later message dEF stays shown it means manufacturer setting of communication protocol is done For communication with device which measure more than one va...

Страница 22: ...e appears in case of Measured temperature is lower than approximately 210 C i e low resistance of temperature sensor probably short circuit Relative humidity is lower than 0 i e damaged sensor for measurement of relative humidity or calculation of humidity is not possible due to error during temperature measurement Measured pressure value with added correction for altitude is outside of range from...

Страница 23: ...number without corresponding unit 9 Preventive maintenance and calibration Pay heed to recommended calibration interval Do not subject the device to mechanical stress 10 Technical specification 10 1 Technical parameters 10 1 1 Common parameters Power voltage 9 to 30 V DC Power consumption approx 1 W consumption of sensors and detectors connected to U terminals Measuring interval temperature relati...

Страница 24: ...temperature and humidity range is limited in accordance with the graph below Response time with stainless steel mesh sensor cover F5200B and bronze sensor cover F0000 selectable option air flow approximately 1 m s temperature AR006684 t90 6 min temperature step 20 C 36 F relative humidity t90 30 s humidity step 65 RH constant temperature 10 1 3 AR006683 temperature regulator external probe designe...

Страница 25: ...owing value Dew point temperature Range 60 to 80 C 76 to 176 F Accuracy 1 5 C 2 7 F at ambient temperature T 25 C 77 F and relative humidity RH 30 for more details see graphs below Absolute humidity Range 0 to 400 g m3 Accuracy 1 5 g m3 at ambient temperature T 25 C 104 F for more details see graph below ...

Страница 26: ...idity and temperature restriction 10 2 Operating conditions Operating temperature and relative humidity electronics 30 to 80 C 22 to 176 F 0 to 100 RH without condensation probe AR006684 30 to 105 C 22 to 221 F probe cable included 0 to 100 RH external probe for AR006683 by probe type not included It is recommended to switch off the LCD display at ambient temperatures above 70 C 158 F around elect...

Страница 27: ...r other liquids It is not allowed to remove the sensor cover to avoid any mechanical damage of the sensors Storage conditions 30 to 80 C 22 to 176 F 0 to 100 RH without condensation Dimensions see dimensional drawings Weight approximately AR006683 430 g AR006684 1m probe 500 g AR006684 2m probe 540 g AR006684 4m probe 620 g Material of the case ABS 10 3 End of operation Device itself after its lif...

Страница 28: ...2 closing valve 3 probe 4 flow chamber SH PP 5 closing valve 6 outlet tube sampling 1 end of the tube placed in the centre of pressure pipelines distribution of moisture in the pipe cross section is not homogeneous To achieve fast response times to shorten the length of the sample tubes to a minimum few meters closing valve 2 allows access to the sample system without interrupting the main line cl...

Страница 29: ...ains basic information about connection of the detectors optional accessories to binary inputs of regulator The detectors install in accordance with the attached instructions for use SP008 power detector AC voltage presence sensor with optical indicator green LED input voltage 230Vac 50Hz power plug type C response time approx 1 sec LD 12 flood detector This detector is a water flood indicator for...

Страница 30: ...y is used connect the terminals ALARM to the terminals GND and IN1 If the detector is powered from the regulator it is necessary to use power supply of 12Vdc for power supplying the regulator Notice The connecting cables should be located as far as possible from the potential interference sources The cable shield connect to Shield terminal of regulator only 14 Appendix D Wiring diagram of relay co...

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