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Temperature, humidity, CO2 and pressure 

regulator with RS485 serial output.

 

 
 
 
 
 

Manual for ST485-101, STR485-102, STR485-104, STR485-104S, 

STR485-103, ST485-101E, AT-VLS-101DRS, AT-VLS-102DRS,  

STRP485-102 and STRP485-104 

 
 
 
 

ATAL B.V. 

Ampèrestraat 35-37 

NL-1446 TR PURMEREND 

 

Postbus 783 

NL-1440 AT PURMEREND 

 

T

 (+31) 0299 630 610 

F

 (+31) 0299 630 611 

 

E

 [email protected] 

I

 www.atal.nl 

 

Содержание AT-VLS-101DRS

Страница 1: ...nual for ST485 101 STR485 102 STR485 104 STR485 104S STR485 103 ST485 101E AT VLS 101DRS AT VLS 102DRS STRP485 102 and STRP485 104 ATAL B V Ampèrestraat 35 37 NL 1446 TR PURMEREND Postbus 783 NL 1440 AT PURMEREND T 31 0299 630 610 F 31 0299 630 611 E info atal nl I www atal nl ...

Страница 2: ...2 6 1 2 Jumper 23 6 1 3 Modbus registers of the regulator 23 6 1 4 Far controlling of output relays status 24 6 1 5 Output relay alarm condition configuration with using of Modbus communication protocol 2 25 6 2 Protocol compatible with Advantech ADAM standard 26 6 2 1 Jumper 26 7 Error States of the device 27 8 Readings on LCD display 28 9 Preventive maintenance and calibration 29 10 Technical sp...

Страница 3: ...and temperature restriction 33 10 1 12 Value computed from measured relative humidity and temperature 33 10 2 Operating conditions 34 10 3 End of operation 35 10 4 Technical support and service 36 11 Appendix A 36 12 Appendix B 37 ...

Страница 4: ...damaged cables and cover Connect and disconnect correctly Do not connect and disconnect a lead in cables 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 inst...

Страница 5: ...erated in a chemically non aggressive environment Type Temperature Humidity Pressure CO2 Computed value Binary inputs ST485 101 3x STR485 102 3x STR485 104 3x STR485 104S 3x STR485 103 3x ST485 101E 3x AT VLS 101DRS AT VLS 102DRS STRP485 102 3x STRP485 104 3x The removable probe for compressed air measurement is noninterchangeable part of the device The protection of connector is IP67 The type ST4...

Страница 6: ...ed 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 Maximum probe cable length is 10 m Connect probe cable shielding to proper terminal and do not connect it to any other circuitry and do not ground it The cables for binary inputs and external sensor for regulator must be...

Страница 7: ...ng connection of terminals Binary inputs are not galvanic isolated connection terminals U are internally connected to the device power supply ie the U terminals provide the same voltage level as power supply 4 Dimensions ST485 101 ...

Страница 8: ...8 STR485 103 STR485 102 STRP485 102 ...

Страница 9: ...9 ST485 101E STR485 104 P STRP485 104 Probe for compressed air measurement ...

Страница 10: ...01DRS AT VLS 102DRS 5 Description of device function and setting Information from regulator is available directly through LCD or you can read them with one of next communication protocols Modbus RTU Advantech ADAM ...

Страница 11: ...o than preset limit delay for while must be preset condition true before relay close its contact and hysteresis for return to open status For binary inputs if it is preset to HI then output relay is closed when input contact is opened if it is preset to Lo then output relay is closed when input contact is closed Each relay status is indicated with LED diode and shown on LCD with corresponding symb...

Страница 12: ...e at page 14 After power up there is internal check in progress and takes about 20s During this time LCD display shows instead of CO2 concentration value 5 5 Actual regulator preset It is possible to display actual regulator preset on its LCD display by pressing of key If Output relay alarm condition configuration with using of Modbus communication protocol is active Remote Control then device s L...

Страница 13: ...ible to change the output relay status by Modbus communication protocol only See chapter 6 1 4 Far controlling of output relays status at page 24 5 5 2 When close output relay Preset if relay is closed when actual value is higher HI or lower Lo than preset value Value higher than 26 5 C Value lower than 26 5 C 5 5 3 Delay Time in seconds when preset condition must be true and after this time outpu...

Страница 14: ... available free to download at web page www atal nl It provides setting of all regulator parameters Run the TSensor program and follow the program instructions Regulator includes hardware write protection of internal setting new setting is possible to write only while 1 during write period press SET key do requested setting in TSensor software press SET key on regulator and keep it down then click...

Страница 15: ... still works and changes are valid immediately after its storing it is NOT necessary to restart regulator 5 6 3 Setting with using of Modbus communication protocol See chapter 6 1 5 Output relay alarm condition configuration with using of Modbus communication protocol 2 at page 25 5 7 Extended setting mode During regulator operation it is possible to change parameters available through Actual regu...

Страница 16: ... pressing ESC key acoustic alarm is still activated for all time and it is impossible to deactivate it Relay response for error Regulator continuously checks its state during operation In case error of assigned value measurement is found then output relay 1 relay 2 stays unchanged in previous status relay 1 switch OFF relay 1 switch On stays unchanged in previous status Relay 2 switch OFF Relay 2 ...

Страница 17: ...ol Advantech Adam with check sum Regulator address setting Regulator address for preset communication protocol RS485 network regulator address Communication speed Communication speed for preset communication protocol communication speed setting Visualization of binary inputs Visualization of inputs is done by three LED diodes This option defines at which binary input status should LED diode indica...

Страница 18: ... it after SET key pressing preset to C preset to F Barometric pressure unit choice It is possible to measure barometric pressure at hPa PSI inHg mBar oz in2 mmHg inH2O and kPa There is shown preset unit It is possible to change it after SET key pressing preset to hPa preset to PSI preset to inHg preset to mBar preset to oz in2 preset to mmHg preset to inH2O preset to kPa ...

Страница 19: ...lating the output value This fact adds a noise of typ 30ppm which has to be considered in terms of accuracy SLOW mode provides value averaged from last 11 FAST measured values averaged value SLOW mode current value without averaging FAST mode CO2 zone level indication setup Up to 1000 ppm lights green LED between 1000 and 1200 ppm lights yellow LED and over 1200 ppm lights red LED Whole measuring ...

Страница 20: ...ET key pressing show value on LCD don t show value on LCD Show computed value at LCD display This item provides to choice if actual computed value may be displayed at LCD display or not There is shown the name of computed value on the top LCD 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...

Страница 21: ...ossible to change it after SET key pressing There is possible choice one of the following computed values dew point temperature absolute humidity mixing ratio specific humidity specific enthalpy 5 8 Restore to Factory default This item provides regulator restoring to factory setting Press SET key select YES and confirm it by pressing of SET key It reset regulator parameters to following values com...

Страница 22: ...st up to 3 s before the device starts to communicate and measure 6 1 Modbus RTU Control units communicate on master slave principle in half duplex operation Only master can send request and only addressed device responds During sending of request no other slave station should respond During communication data transfer proceeds in binary format Each Byte is sent as eight bit data word in format 1 s...

Страница 23: ...status 0 1 Alarm 2 0x003C 60 Int BIN16 R binary input 1 status 0 1 0x003D 61 Int BIN16 R binary input 2 status 0 1 0x003E 62 Int BIN16 R binary input 3 status 0 1 0x003F 63 Int BIN16 R status of all binary inputs bit0 1 2 0x0008 8 Int BIN16 R status word described below 0x0007 7 Int BIN16 R device serial number Hi 0x1035 4149 BCD BIN16 R device serial number Lo 0x1036 4150 BCD BIN16 R firmware ver...

Страница 24: ...osed 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 compatible with IEEE754 6 1 4 Far controlling of...

Страница 25: ...board too Whole setting process can be cancelled by writing value 0 to address 0x0044 68 At this time no changes are stored and last setting stays valid Function Unit Address hex X Address dec X Description Status Modbus Remote Control 0x0044 68 0 disable 1 enable for this time device s keyboard is blocked if key is pressed message BLOC is shown R W Value assigned to output relay 1 by value 0x0045...

Страница 26: ...r Communication examples are listed in a separate document entitled Description of communication protocols 6 2 Protocol compatible with Advantech ADAM standard Control units communicate on master slave principle in half duplex operation Only master can send requests and only addressed device responds During sending request any of slave devices should respond During communication data is transferre...

Страница 27: ...value reading is AAx CRC CR where AA is device address and x is number of communication channel by next table Measured value Number of communication channel temperature 0 relative humidity 1 computed value 2 barometric pressure CO2 concentration 3 status word described below 4 relay 1 status 0 1 5 relay 2 status 0 1 6 binary input 1 status 0 1 7 binary input 2 status 0 1 8 binary input 3 status 0 ...

Страница 28: ...ease check setting of pressure correction for altitude with User s software Computed value calculation of computed value is not possible error during measurement of temperature or relative humidity Error 3 there is a reading Err3 on LCD display upper line Error of internal A D converter appeared converter does not respond probably damage of A D converter This error does NOT affect pressure and con...

Страница 29: ...intenance and calibration Pay heed to recommended calibration interval Do not subject the device to mechanical stress Recommended calibration intervals ST485 101 2 years STR485 102 1 year STR485 104 P 1 year STR485 103 1 year ST485 101E 2 years AT VLS 101DRS 2 years AT VLS 102DRS 1 year STRP485 102 1 year STRP485 104 1 year 10 Technical specification 10 1 Technical parameters 10 1 1 Common paramet...

Страница 30: ... input signal wiring shielded max 10 m long cable should not be led in parallel along power cabling Relay outputs Amount 2 Maximal voltage 50 V Maximal current 2A Maximal power 60 VA Relays contact is not designed for direct control of line voltage output relay contact parameters max 220Vdc 125Vac 2A 60 W 62 5 VA EMC EN 61326 1 EN 55011 10 1 2 ST485 101 temperature regulator Accuracy 0 4 C 0 7 F R...

Страница 31: ... 30 to 125 C 22 to 257 F Resolution 0 1 C 0 2 F Relative humidity reading is temperature compensated at entire temperature range Accuracy 2 5 RH from 5 to 95 RH at 23 C 73 4 F Range 0 to 100 RH Resolution 0 1 RH Measuring temperature and humidity range is limited in accordance with the graph below Response time with stainless steel mesh sensor cover F5200 and bronze sensor cover F0000 selectable o...

Страница 32: ... measurement of temperature and relative humidity with stainless steel mesh sensor cover F5200B and bronze sensor cover F0000 selectable option air flow approximately 1 m s temperature t90 6 min temperature step 20 C 36 F relative humidity t90 30 s humidity step 65 RH constant temperature Response time measurement of CO2 concentration t90 195 s in SLOW measurement mode t90 75 s in FAST measurement...

Страница 33: ...ve humidity and temperature 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 3 There is possible to change response time For more details see file Description of calibration and adjustment procedure pdf which is installed together with Users software ...

Страница 34: ...re T 35 C 95 F Range 0 to 995 g kg Specific enthalpy4 Accuracy 3kJ kg at ambient temperature T 25 C 77 F Range 0 to 995 kJ kg5 10 2 Operating conditions Operating temperature and relative humidity 4 This value depends on the atmospheric pressure For computing is used constant value stored in device memory Default value preset by manufacturer is 1013hPa and can be changed by user s software 5 This ...

Страница 35: ... STR485 102 STR485 103 AT VLS 102DRS STRP485 102 with sensor cover downwards Not allowed manipulations It is not allowed to operate the device under conditions other than specified in technical parameters Devices are not designed for locations with chemically aggressive environment Temperature and humidity sensors must not be exposed to direct contact with water or other liquids It is not allowed ...

Страница 36: ...irectly to the PC connect power to connector marked RS485 Power voltage 6V DC from an external acdc adapter connect to pin 9 0V connect to pin 5 Also mutually connect pin 2 and pin 7 Link RS485 is connected across pin 3 A and pin 4 B The ELO 214 converter is an optional accessory for connection of transmitter with RS485 interface to the PC via USB port Link RS485 is connected across pin 9 A and pi...

Страница 37: ...minimum few meters closing valve 2 allows access to the sample system without interrupting the main line closing valve 5 the sample flow is regulated by this valve Measurement accuracy is typically not affected by the sample flow rate but at low speeds increasing response time outlet tube 6 if the measured sample of air is released into the atmosphere select the length of the outlet tube of 1 5 m ...

Страница 38: ...38 DIN 1 4301 Inlet and outlet connection G1 8 Probe connection G1 2 Sample flow rate 0 1 to 3 l min Operating pressure up to 25 bar Weight 580 g Note Screw coupling not included ...

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