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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 info@atal.nl
I www.atal.nl
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Summary of Contents for Atal ST485-101
- Page 1 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 info@atal.nl...
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Page 2: Table Of Contents
Technical specification ....................29 10.1. Technical parameters ....................29 10.1.1. Common parameters ..................29 10.1.2. ST485-101 - temperature regulator ..............30 10.1.3. STR485-102 - relative humidity and temperature regulator ..... 30 10.1.4. STR485-104(P) - temperature and humidity regulator ......31 10.1.5. - Page 3 10.1.11. Relative humidity 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 Appendix A ........................36 Appendix B ........................
- Page 4 General safety rules The following summary is designed to prevent injury hazards or device damage. Operate the instrument in accordance with this manual to prevent electric trauma. Service should be performed by a qualified person only. Use a safety ac/dc adapter. Use only an adapter with the power voltage recommended by its manufacturer and which is approved by proper standards.
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Page 5: General Description
Modbus communication protocol. The device communicates via link RS485. The regulators are designed to be operated in a chemically non-aggressive environment. Type Temperature Humidity Pressure CO Computed value Binary inputs ST485-101 STR485-102 ... -
Page 6: Regulator Mounting And Connection
2. Regulator mounting and connection Regulators are designed for wall mounting. Device must be mounted on the plane surface to prevent its deformation. Mounting holes and connection terminals are accessible after demounting of four screws in the corners of the box and removing the lid. There is recommended to use screws with half round head with cross-recessed screw ST 3.9 (DIN 7981). -
Page 7: Typical Application Wiring, Connection Of Terminals
3. Typical application wiring, 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... - Page 8 STR485-103 STR485-102 STRP485-102...
- Page 9 ST485-101E STR485-104(P) STRP485-104 Probe for compressed air measurement...
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Page 10: Description Of Device Function And Setting
AT-VLS-101DRS 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 ). -
Page 11: Device Setting From The Manufacturer
5.1. Device setting from the manufacturer If special setting was not required in the order, regulator is set from the manufacturer to the following parameters: communication protocol: Modbus RTU regulator address: communication speed: 9600Bd, no parity, 2 stop bits Value assigned to relay 1 and relay 2: none Password for setting through keys (PASS): 0000 LCD display:... -
Page 12: Carbon Dioxide Concentration Measurement
5.4. Carbon dioxide concentration measurement Device measurement principle is based on Non-Dispersive Infrared Technology (NDIR). It is maintenance free because of the patented autocalibration feature, compensating for the effects of aging and therefore a guarantee for outstanding long-term stability. If the device is in operation permanently, an auto-adjustment will start automatically after 24 hours operation each. -
Page 13: When Close Output Relay
Binary input 1, input 2 and 3 similarly far condition 0 far condition 1 FAR0 – „far condition 0“: after device’s power on the relay is open FAR1 – „far condition 1“: after device’s power on the relay is close If “far condition”... -
Page 14: Hysteresis
5.6.1. Setting with PC and TSensor software User’s software TSensor is 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. -
Page 15: Setting With Using Regulator Keys
5.6.2. Setting with using regulator keys If „Actual regulator preset” is displayed (see chapter “Actual regulator preset” at page 12), it is possible to enter into edit mode and edit displayed value by pressing „SET“ key. Then you are asked for valid password (PASS). You can edit selected value if right password is entered. During value editing there is range check executed and edited value is still compared with limits for corresponding value (range). - Page 16 Acoustic alarm assign to relay 2 close of relay 2 contact starts acoustic acoustic indication of relay 2 is OFF indication Acoustic alarm deactivation activated acoustic alarm is possible to acoustic alarm is still activated for all time and deactivate by pressing „ “...
- Page 17 Change of “Password for setting through keys” (PASS) password setting This item shows actual password setting. It is possible to change it after „ “ key pressing. It is number from range - 19999 to +19999 Choice of communication protocol Choice of communication protocol for communication with master device protocol Modbus protocol Advantech-Adam...
- Page 18 Binary input 1 Binary input 2 Binary input 3 Temperature unit choice It is possible to measure temperature at °C or °F. There is shown preset unit. It is possible to change 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/in...
- Page 19 Setting of pressure correction for altitude If is there necessary to read value of barometric pressure corrected with respect to altitude, it is possible to set corresponding pressure offset for this altitude. It is possible to change it after “SET” key pressing.
- Page 20 Show temperature at LCD display This item provides to choice if actual measured temperature may be displayed at LCD display or not. It is possible to change it after „SET“ key pressing. don’t show value on LCD show value on LCD Show relative humidity at LCD display This item provides to choice if actual measured relative humidity may be displayed at LCD display or not.
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Page 21: Restore To „Factory Default
Show CO concentration at LCD display This item provides to choice if CO value may be displayed at LCD display or not. It is possible to change it after „ “ key pressing. don’t show value on LCD show value on LCD Computed value selection It shows the actually selected computed value name. -
Page 22: Description Of Communication Protocols
Detailed description of each communication protocols including examples of communication is available in individual document “Description of communication protocols” which is free to download at www.atal.nl. After switching ON the power of the device it can last up to 3 s before the device starts to communicate and measure !!! 6.1. -
Page 23: Jumper
6.1.2. Jumper Jumper (placed nearby keys) is accessible after demounting of four screws in the corners of the box and removing the lid. If communication protocol Modbus is selected the function 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) ... -
Page 24: Far Controlling Of Output Relays Status
BIN16 concentration displayed on LCD 0x0034 concentration „FAST“ mode value BIN16 0x0054 concentration „SLOW“ mode value BIN16 0x0055 Legend: * depends on device setting (by User´s software) Int*10 register is in format integer *10 (likewise *100, *1000) R register is designed only for deading ... -
Page 25: Output Relay Alarm Condition Configuration With Using Of Modbus Communication Protocol
0 ... relay 2 open Far condition for relay 2 0x0043 1 ... relay 2 closed 6.1.5. Output relay alarm condition configuration with using of Modbus communication protocol With Modbus communication protocol there is possible to set regulator’s parameters described Actual regulator preset at chapter 5.5 at page 12. -
Page 26: Protocol Compatible With Advantech-Adam Standard
Address Address Function Unit Description Status [hex] [dec] 0 ... Off 1 ... temperature 2 ... relative humidity Value 3 ... atmospheric pressure (CO concentration) assigned to 4 ... computed value 0x004A output value 5 ... binary input 1 relay 2 6 ... -
Page 27: Error States Of The Device
If jumper is closed during device operation, device temporarily changes its address to 00h, it will communicate in the same communication speed as before closing jumper and will communicate without check sum. After jumper is opened setting of address and check sum is reset in accordance with values stored in the device. -
Page 28: Readings On Lcd Display
Error 1 - measured or calculated value (except pressure and concentration of CO ) is over upper limit of allowed full scale range. There is a reading „Err1“ on LCD display. Value read from the device is +999.9. This state appears in case of: ... -
Page 29: Preventive Maintenance And Calibration
Display switching interval: 4 s (when more than two values are displayed) receiver – input resistance 96kΩ RS485 interface: max. 256 devices on bus Protection: ST485-101, ST485-101E ..IP65 STRP485-102, STRP485-104 ..IP54, sensors are located in cover with IP40 protection... -
Page 30: St485-101 - Temperature Regulator
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) Range: -30 to +80 °C (-22 to 176 °F) -
Page 31: Str485-104(P) - Temperature And Humidity Regulator
10.1.4. STR485-104(P) - temperature and humidity regulator Temperature: Accuracy: ± 0,4 °C (±0,7 °F) Range: -30 to +105 °C (-22 to 221 °F), includes probe cable Resolution: 0,1 °C (0,2 °F) Relative humidity: (reading is temperature compensated at entire temperature range) Accuracy: ±... -
Page 32: At-Vls-102Drs - Temperature, Relative Humidity And Co Regulator
Temperature dependence: typ. 2 ppm CO / ºC in the range 0 to 50 ºC (32 to 122°F) Long term stability: 20 ppm / year Resolution: 1 ppm t90 < 195 s in „SLOW“ measurement mode Response time: t90 < 75 s in „FAST“ measurement mode 10.1.8. -
Page 33: Relative Humidity And Temperature Restriction
Else ±2.0 ±0.03 ±1.5 ±0.06 ±0.8 ±0.5 ±0.20 Response time : pressure t90 <44s 10.1.11. Relative humidity and temperature restriction 10.1.12. Value computed from measured relative 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... -
Page 34: Operating Conditions
Absolute humidity Range: 0 to 400 g/m Accuracy: ±1,5 g/m at ambient temperature T < 25°C (104 °F), for more details see graph below Specific humidity Accuracy: ±2g/kg at ambient temperature T < 35°C (95 °F) Range: 0 to 550 g/kg Mixing ratio Accuracy: ±2g/kg at ambient temperature T <... -
Page 35: End Of Operation
STR485-104(P), ST485-101E, STRP485-104: negligible AT-VLS-101DRS: with cable glands upwards ST485-101, 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. -
Page 36: Technical Support And Service
10.4. Technical support and service Technical support and service is provided by distributor. Appendix A Connection of ELO E06D (RS232/RS485) and ELO 214 (USB/RS485) converters The ELO E06D converter is an optional accessory for connection of transmitter with RS485 interface to the PC via serial port RS232. Connect connector marked RS232 directly to the PC, connect power to connector marked RS485. - Page 37 12. Appendix B The probe for measuring the moisture of compressed air should be placed directly on the pressure pipelines to achieve higher measurement accuracy and fast response times. But they are cases where such placement is not possible. The reason is the high air speed, high temperature, high pollution, small diameter pipes, etc.
- Page 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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