background image

IN-E-HyFlex-V4_10 

Rotronic AG 
Bassersdorf, Switzerland 

Document code 

Unit 

Instruction Manual

Document Type 

HygroFlex transmitter version 4: instruction 
manual 

Document title 

Page 

1

 of 61 

 

© 2006; Rotronic AG                                                                                                              IN-E-HyFlex-V2_10.doc

 

 

 
 
 

HygroFlex 

 

Humidity Temperature Transmitter 

 

Instruction Manual 

 

Version 4 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for HygroFlex

Page 1: ...rland Document code Unit Instruction Manual Document Type HygroFlex transmitter version 4 instruction manual Document title Page 1 of 61 2006 Rotronic AG IN E HyFlex V2_10 doc HygroFlex Humidity Tempe...

Page 2: ...4 7 Analog signal configuration HygroFlex 1 and 3 main PCB 17 5 Mechanical installation 18 5 1 Installation of the transmitter enclosure 18 5 2 Front cover removal 19 5 3 Front cover installation 20 5...

Page 3: ...ions 49 15 Dew point accuracy 52 16 ASCII communications protocol 53 17 Metal enclosure option 56 18 Accessories for the HygroFlex 57 19 Electrical Installation Guidelines 58 20 Document releases 60 A...

Page 4: ...r to calibrate a digital probe 3 0 1V 0 5V 0 10V 0 20 mA 4 20 mA 4 Allows direct calibration of digital probes by the transmitter and direct access to other functions HygroFlex 2 Networkable industria...

Page 5: ...ad 7 1 ROTRONIC analog probes are also accepted with some restrictions 2 Pressure probe or ROTRONIC HygroClip digital probe some restrictions apply 3 Uses either a fixed barometric pressure value or t...

Page 6: ...the voltage powering the probe is set to 5 VDC Prior to using any analog probe the corresponding input should be re programmed This can be done with the HW4 software after connecting the internal serv...

Page 7: ...IE 2 NPT for compressed air max 50 bar 725 PSI max 85 C 185 F sintered steel filter to avoid errors temperature should be the same on both sides of the mounting wall HygroClip IC 05 for measurement i...

Page 8: ...re output signal of 0 5 2 0 V 50 200 C because the HygroFlex cannot read a negative voltage signal temperature measurement is generally limited to values above freezing b Third party analog probes sin...

Page 9: ...ion or optional analog probe signal such as pressure The HygroFlex is set at the factory as specified when ordering These settings can be changed at any time with the optional HW4 software 2 The outpu...

Page 10: ...he different menu items appear on the LCD message line Press this key again to exit the menu 2 5 Serial interface HygroFlex 2 and 3 Both the HygroFlex 2 and 3 have an external receptacle located on th...

Page 11: ...tware version 1 2 2 or higher should be installed on the PC RS 485 interface This interface is used to connect together a number of HygroFlex transmitters as well as other ROTRONIC devices so as to fo...

Page 12: ...configuration can be modified by the user and this requires connecting the HygroFlex to a PC with the ROTRONIC HW4 software installed version 1 2 2 or higher Depending on the model of HygroFlex the fo...

Page 13: ...12 bit D A converter can distinguish between 4 096 values or counts This number of counts together with the span of the signal RH C etc determines the resolution of the analog output signal Because o...

Page 14: ...le to the new Baud rate see separate HW4 manual Devices and internal Ethernet modules with mismatched Baud rate will not communicate together The Baud rate configuration of a ROTRONIC device can be ch...

Page 15: ...the individual devices that are connected to a RS 485 multi drop and must be unique to each device This address is part of the HygroFlex communications protocol The factory default for the RS 485 add...

Page 16: ...th Ethernet TCP IP interface please note that the Baud rate of the HygroFlex and the Baud rate of the internal Ethernet module should be set to the same value 4 6 Selection of the probe supply voltage...

Page 17: ...onnector and connect to a PC with cable AC1623 HygroFlex 3 the transmitter can be configured by connecting the RS232 RS485 output to a PC For both transmitters configuration requires the HW4 software...

Page 18: ...label is located inside of the transmitter enclosure 5 1 Installation of the transmitter enclosure Note see appendix 8 for the optional metal enclosure The HygroFlex is comprised of 5 parts mounting b...

Page 19: ...by 4 small tabs molded into the electronics housing To remove the cover insert a screwdriver in the V shaped slot on top of cover and press lightly to unlock prior to pulling the cover away from the e...

Page 20: ...t code Unit Instruction Manual Document Type HygroFlex transmitter version 4 instruction manual Document title Page 20 of 61 2006 Rotronic AG IN E HyFlex V2_10 doc 5 3 Front cover installation To put...

Page 21: ...ard Ribbon cable can be pulled out Zero insertion force connector To unlock grab both sides of outer frame up and pull up To lock push down outer frame printed circuit board outer frame To re attach t...

Page 22: ...rect exposure to sun rays etc b Close proximity of the probe to a steam injector humidifier direct exposure to precipitation etc c Unstable pressure conditions resulting from excessive air turbulence...

Page 23: ...GND 4 Digital Input Output 5 5 or 15 VDC 0 5 VDC 2 Test J4 for HygroPalm Calibrator 1 GND 2 Digital Input Output 3 Optional 2nd Probe Input J3 except HygroFlex 1 1 Analog Input Signal 2 GND 3 Digital...

Page 24: ...x transmitter version 4 instruction manual Document title Page 24 of 61 2006 Rotronic AG IN E HyFlex V2_10 doc 6 2 Optional Ethernet module HygroFlex 2 and 3 Optional Ethernet Module 6 3 Mains fuse St...

Page 25: ...l Document title Page 25 of 61 2006 Rotronic AG IN E HyFlex V2_10 doc 6 4 PCB number The PCB number is located next to the power terminal block 6 5 Connector plate Standard connector plate all models...

Page 26: ...on 4 instruction manual Document title Page 26 of 61 2006 Rotronic AG IN E HyFlex V2_10 doc Connector plate for models with the optional Ethernet interface HygroFlex 2 Grommet for Ethernet cable Hygro...

Page 27: ...E GND 3 1 Temperature analog 1 3 DIO digital 4 5 5 or 15 VDC 0 5 VDC jumper selectable B19 B20 5 6 Humidity analog 2 Test Connector 2 pin female shown from contact side Pin Function Pin on PCB connec...

Page 28: ...trical connections be sure to correctly identify each connector and terminal Applying power to any of the input or output terminals can severely damage the transmitter 12 to 35 VDC or 12 to 24 VAC sup...

Page 29: ...signals TB1 TB2 RL 1 RL 1 RL 1 1 maximum load 500 ohm wiring included B18 3 1 2 4 3 2 1 Solder pad B18 see page 31 TB1 2 90 264 VAC Neutral TB2 1 Relative humidity TB1 1 Phase TB2 2 Temperature TB1 3...

Page 30: ...and 6 provide effective sealing only with cables having the proper outside diameter Preferably use a cable with an outside diameter of 6 to 7 mm 0 236 to 0 275 and with 18AWG wires Seal any unused ca...

Page 31: ...s versions of the PCB the signal ground and terminal 3 of TB1 were always tied together 6 11 RS 485 multi drop network HygroFlex 2 and 3 Prior to connecting to the network configure each individual tr...

Page 32: ...nnection Wall mounted RJ45 receptacles are a convenient means of connecting additional units to the RS 485 cable 7 HygroFlex function menu The functions of the HygroFlex can be accessed either with th...

Page 33: ...Metric or English is factory programmed according to what was specified when the instrument was ordered The unit system can be selected with the optional HW4 software see separate instructions Select...

Page 34: ...rature or the parameter measured by any third party probe connected to the instrument Calculated Temperature Calculated parameter as selected under CALCULATE and temperature This selection is not avai...

Page 35: ...mperature value to compute the gain T low 40 C 104 F used to compute the calibration offset T high 40 C 104 F used to compute the calibration gain For best accuracy we recommend using a T low value cl...

Page 36: ...it the function at any time without calibrating the probe by pressing the MENU key 7 4 ADJUST 1PT Definition The Adjust 1PT function permits to do a 1 point adjustment offset adjustment of a ROTRONIC...

Page 37: ...pressing the ENTER key the message sure should appear on the LC display Press ENTER to confirm Next the LC display will confirm that the probe adjustment has been successfully completed At that time...

Page 38: ...nstrument Procedure Prior to entering the function select the probe to be displayed this is the same as the probe that was last displayed When entering the function the version number of the probe is...

Page 39: ...other data 7 9 OUTPUT Definition This function displays the numerical values sent to the analog outputs The display shows the values at the time the menu key was pressed and these values are not updat...

Page 40: ...ustment Calibration 121 No HygroClip probe is connected Status 130 the probe was adjusted Calibration 9 Test connector for the HygroPalm indicator NOTE The HygroFlex 3 equipped with the optional Ether...

Page 41: ...utputs keep being normally updated The HygroPalm cannot be turned off while in the Remote Control Mode 9 1 Display the Probe Measurements As soon as the Remote Control mode is initiated the HygroPalm...

Page 42: ...e is detected the message connect fail will be displayed Press MENU and use the UP or the DOWN key to access Adjust REF from the function menu Press ENTER to select this function After pressing the EN...

Page 43: ...rcuits the HygroFlex uses digital circuits that are by nature immune from drift The HygroFlex uses analog circuits that are very stable These circuits should not exhibit any noticeable drift for many...

Page 44: ...umidity and temperature sensors 2 Before putting on a new dust filter check the alignment of both sensors with the probe The wires that connect the sensors to the probe are very thin and bend easily I...

Page 45: ...l range 0 100 C 0 200 F indication range 0 0 to 100 0 C 32 to 212 0 F enthalpy 4 typical range 50 250 J g or 50 150 BTU lb indication range 99 9 to 9999 J g or BTU vapor concentration typical range 0...

Page 46: ...eter is limited by the accuracy of the measured parameters on which it is based 3 The standard factory setting is frost point for values below freezing This setting can be changed to dew point with th...

Page 47: ...optional HW3 software and the T7 03 WIN calibration cable see separate software instructions Note the HygroFlex itself should not require any field calibration 13 1 Temperature calibration Note the s...

Page 48: ...can be stored indefinitely Standards in the range of 5 to 95 RH are non saturated aqueous salt solutions that are precisely titrated at our factory for the right concentration The 0 RH humidity standa...

Page 49: ...equired for each calibration point Do not calibrate close to an air vent or a heater in direct exposure to sun rays etc If using a humidity generator to calibrate the probe make sure that the probe is...

Page 50: ...ter vapor Mv to the volume V occupied by the mixture Dv Mv V expressed in grams m3 or in grains cu ft This can be derived as follows from the equation PV nRT a Mv n x mw where n number of moles of wat...

Page 51: ...x Pb p RT where mw 18 016 gram ma 28 966 gram p partial pressure of water vapor Pa pa partial pressure of dry air Pa Pb total or barometric pressure Pa R 8 31436 Pa x m3 K x mole T temperature of the...

Page 52: ...oint Depression C 1 C 1 5 C 2 C 2 5 C The accuracy of the dew point conversion is less than the accuracy that is normally achieved with a chilled mirror instrument This is especially true at low dew p...

Page 53: ...ons protocol uses only 7 bit ASCII characters ASCII 32 to 127 Parity even Data bits 7 Stop bits 1 Use these settings to configure a third party software used to communicate with the HygroFlex see ASCI...

Page 54: ...ment that is physically connected to the COM port of the PC should be preceded with the character ASCII 124 Example U01RDD CR The instrument answers with a string beginning with the character the prod...

Page 55: ...rom any instrument that is networked RS485 The following examples are for the HygroFlex The same commands can be used for other instruments with similar capabilities by substituting the appropriate va...

Page 56: ..._10 doc Note 0020 41 humidity probe 1 RH 0019 87 temperature probe 1 C as per instrument configuration etc 17 Metal enclosure option As an option the HygroFlex is available in an aluminum enclosure wi...

Page 57: ...pin is supplied Cable length 3 meter 9 8 ft Includes 115 VAC 9VDC adapter to power probe and cable electronics IMPORTANT this cable is compatible only with the HW3 software AC1618 35 probe simulator 3...

Page 58: ...European Standard EN 50170 for the transmission of signals by copper wires When planning an installation the rules provided by EN 50170 should be followed under consideration of local circumstances t...

Page 59: ...ade shielded cable avoids cross talk between the transmitted signals and also reduces the potential of external interference For the RS 485 cable we recommend using a cable Cat 5e ANSI TIA EIA 568 A 5...

Page 60: ...use of fiber optic cables 20 Document releases Doc Release Date Notes _10 Dec 6 2006 See Hardware and firmware changes release 10 Hardware and firmware changes covered in document release 10 Firmware...

Page 61: ...yFlex V2_10 doc Most references to the ROTRONIC HW3 software have been removed from this manual All HygroFlex models can be configured with the ROTONIC HW4 software version 1 2 2 or higher HW4 can rea...

Reviews: