TRONIC User's guide
Contents
1. Voltage limitation with free wheeling diode e g 1N4007 Connection of relay mains supply 9 28 VDC Connection of audible piezo alarm and lamp mains supply 9 28 VDC J semiconductor relay Connection of a semiconductor relay are not electrically isolated If several A RD 1 will be interconnected you have to make sure to avoid accidental energization Make sure to observe the following points B f several A RD 1 are supplied by one supply voltage source the sensors measuring trans ducers etc have to be electrically isolated E Ifthe sensors measuring transducers etc cannot be electrically isolated the digital display will have to be operated with electrically isolated supply voltage sources Please note that an electric connection may also be created via the media to be measured e g pH electrode and conductivity electrode in liquid B Ifthe A RD 1 units are connected via the RS485 interface the sensors measuring transdu cers etc will have to be electrically isolated If the compact indicators are supplied from one voltage source the accidental energization Uv to Uv must not exceed 1 Volt2. Nr Fe s or pe D3 o4 Byte 1 2 3 4 5 6 7 8 9 10 11 12 Response from A RD 1 a if data have been successfully taken over Byte 1 2 3 A RD 1 Manual for connection and operation Version 3 0 Page 22 6 4 Description of characters used F1 F2 D1 D4 ASCII code 21H his character interrupts a connection if any is existing and resets all compact indicators connected to their original state thus initialising a check to ensure that the following two characters correspond to their re spective unit numbers Permissible area 0 to 9 and A to F corresponding to ASCII code 30H to 39H and 41H to 46H As a precaution unit number will be transmitted twice Data will not be processed unless the unit number transmitted is identical to the one set in the respective indicator If numbers are not identical the unit will only check if the data stream contains another character thus indicating a new data circuit Permissible range see table 1 Functional codes specifying the parameter and or value to be processed For assignments please refer to table 1 of chapter 6 5 functional code ASCII code 2FH Indicates the end of a data transfer process Each data transfer process either from host to display or from display to host is completed by putting ASCII code 23H Indicates the beginning of a data transfer process is issued by the comp
3. generator D resetting button Cascading of A RD 1 Automatic resetting via output 1 additional ly manual resetting with external button A RD 1 Manual for connection and operation Version 3 0 3 4 Wiring of switching outputs Both switching outputs are designed as open collector transistor outputs In the active mode the signal switching output on existing at the switching output will be switched reversely to the negative pole of the supply voltage connection 2 If an output is configurated for alarm it will be on as long as in idle state no alarm In case of an alarm condition being fulfilled the output transistor will open Please note that the max permissible voltage of 30 Volt and the max switching current of 50 mA must not be exceeded not even for a short time Especially when switching inductive loads e g relays coils etc protective arrangements to limit voltage peaks have to be taken When switching large capacitive loads the making cur rent will have to be limited to the permissible amperage by connecting a series resistor or a current limiter The same applies to incandescent lamps whose making current is also quite high due to their low cold resistan ce 3 5 Wiring of several A RD 1 Input and outputs as well as the RS485 interface Page 8 mains supply 9 28 VDC
4. button 2 button 3 button 1 respectively decreases button 2 value by one digit After extended pressing of the buttons gt 1s the values start counting up or downwards with the counting speed being increased after 8 s Acknowledge making point by pressing button 3 The display will show 2 on again Press button 3 once again The display will show 2 0FF breaking point of output 2 Use buttons 1 and 2to set breaking point of output 2 Acknowledge breaking point by pressing button 3 The display will show 2 0FF again Press button 3 The display will show AL HI max alarmlimit Use buttons 1 and 2 to set max alarm limit Acknowledge alarm limit set by pressing button 3 The display will show AL HI again Press button 3 once again The display will show AL Lo minimum alarm limit Use buttons 1 and 2tosetmin alarm limit Acknowledge by pressing button 3 The display will showAL Lo again Press button 3 once again The display will show dELA alarm delay Use buttons 1 and 2 to set alarm delay The value displayed corresponds to the delay time in minutes B Acknowledge delay setby pressing button 3 The display will showdELA again The configuration is now completed
5. V 2_ Supply voltage Uv GND N V Dig GND 3 Switching output 1 EI Output 4 Switching output 2 gt Output2 5 Frequency input counter input El nn Counter m is ae mA V KTY Pt 0 1V KTY Pt 8 Input 0 1V ro a 9 Input 0 10V B a aa RS485 interface A B RS485 Note the terminals 2 Supply voltage Uv GND and 7 Input GND are internaly connected in the unit 3 2 Connection data between CET CEE fov fev w fov foom Switching output 1 a 2 3a 2 4a 2 30V 30V DC voltage ATA wE a a Input mA mA 6 leand7 7 loma 20mA Loma soma input 0 1V smar ow w foxa SSS monoa Jeana fov fov av fev Frequency counter input _ 5and2 __ lt o8v gt 24v o5 sov Before connection of the unit please make sure that the permissible voltage and current values will not be exceeded 3 3 Wiring of input signal 3 3 1 Wiring of a 4 to 20 mA measuring transducer in 2 wire technoloy mains supply Mains supply 9 28 VDC 9 28 VDC 4 20mA transmitter 4 20mA transmitter mains supply for transmitter with individual transmitter supply without individual transmitter supply A RD 1 Manual for connection and operation Version 3 0 Page 6 3 3 2 Wiring of a 0 4 to 20 mA measuring transducer
6. B Press button 3 once again The display will show AL Lo min alarm limit E Use buttons 1 and 2to set minimum alarm limit B Acknowledge by pressing button 3 The display will show AL Lo again B Press button 3 once again The display will show dELA alarm delay E Use buttons 1 and 2 to set alarm delay The value displayed corresponds to the delay time in minutes B Acknowledge delay set by pressing button 3 The display willshowdELA again The configuration is now completed Press button 3 once again to switch over to display of measuring value A RD 1 Manual for connection and operation Version 3 0 5 4 2 level controller with min max alarm Page 20 This chapter describes the setting of the making points when using the display as digital 2 level controller with min max alarm The following instructions are based on the assumption that you have selected output function 2 level controller with min max alarm as described in chapter 5 1 The display should show outP Press button 3 the display will show 2 on making point of output 2 Use buttons 1 and 2 to set making point of output 2 Rolling function Buttons 1 and 2 are equipped with a rolling func tion for entering values Short pressing of the button increases button 1
7. The delay time will be displayed in minutes Acknowledge delay time by pressing button 3 The dis play will show dELA Press button 3 once again The display will show the current humidity The configuration has now been com pleted Correct wiring of the A RD 1 and of the measuring transducer is the main precondition for the unit displaying the correct hu midity Configuration is also possible with the measuring trans ducer not connected In this case the A RD 1 will show FE2 after configuration
8. show 2 on again B Press button 3 once again The display will show 2 0FF breaking point of output 2 E Use buttons 1 and 2 to set breaking point B Acknowledge breaking point by pressing button 3 The display will show 2 0FF again The configuration is now completed Press button 3 once again to switch over to display of measuring value A RD 1 Manual for connection and operation Version 3 0 Page 19 5 3 Min max alarm This chapter describes the setting of the making points when using the A RD 1 for min max value monitoring The following instructions are based on the assumption that you have selec ted output function common min max alarm or individual min max alarm as described in chapter 5 1 The display should show outP B Press button 3 the display will show AL HI max alarmlimit B Use buttons 1 and 2 to set max alarm limit Rolling function Buttons 1 and 2 are equipped with a rolling function for entering values Short pressing of the button increa ses button 1 respectively decreases button 2 value by one digit After extended pressing of the buttons gt 1s the values start counting up or downwards with the counting speed being increased after 8 s button 1 button 2 button 3 B Acknowledge alarm limit set by pressing button 3 The display will show AL HI again
9. 2 to set display to 2P AL 2 level con troller with alarm Acknowledge by pressing button 3 The display will show OUtP Press button 3 once again The display will show 2 on The A RD 1 requests the making point of switching output 2 ie 50 0 in our example Set switching point to 50 0 using buttons 1 and 2 MAcknowledge making point by pressing button 3 The display will show 2 on again Press button 3 once again The display will show 2 off The A RD 1 requests the breaking point of switching output 2 ie 52 0 in our example Set switching point to 52 0 using buttons 1 and 2 MAcknowledge breaking point by pressing button 3 The display will show 2 off again Press button 3 once again The display will show AL HI The A RD 1 requests the max alarm limit ie 60 0 in example Set unit to alarm limit 60 0 using buttons 1 and 2 MAcknowledge max alarm limit by pressing button 3 The display will show AL HI Press button 3 once again The display will show AL Lo The A RD 1 requests the min alarm limit ie 45 0 in example Set unit to alarm limit 45 0 using buttons 1 and 2 MAcknowledge min alarm limit by pressing button 3 The display will show AL Lo Press button 3 once again The display will show dELA The A RD 1 requests input of the alarm delay This value indi cates for how long an alarm condition needs to be active before the A RD 1 willissue an alarm ie 10 min in example Set display to 10 using buttons 1 and 2
10. 28 VDC Pt1000 Pt1000 temperature sensor KTY87 205 temperature sensor A RD 1 Manual for connection and operation Version 3 0 Page 7 3 3 6 Wiring of a frequency signal mains supply 9 28 VDC mains supply 9 28 VDC frequency generator frequency generator mains supply for transmitter without individual frequency generator supply mains supply 9 24 VDC Uv 7 Sig transducer GND e g flow transducer Vision2008 GH31 etc please check if reverse connect protection is required Connection of a transducer with open collector output 3 3 7 Wiring of a counter signal mains supply 9 28 VDG mains supply 9 28 VDC pulse generator D pulse generator D resetting button mains supply 9 28 VDC 10k at 9 18V 20k at 18 28V pulse
11. Availability The RS485 interface cannot be used if the compact indicator is configurated as upwards or downwards counters When used in connection with the frequency measuring function the follo wing limitations have to be taken into account Any data exchange whatsoever at the RS485 input of the A RD 1 will interrupt the frequency measuring The display will continue to show the value measured last In case of the data exchange lasting for some time the display will show the fault code FE8 thus signalling that frequency measuring has been interrupted In order to allow frequency measuring and data communication to take place si multaneously a break of at least 2 s will have to be introduced between two data request transfer A RD 1 Manual for connection and operation Version 3 0 Page 27 7 A RD 1 digital display only The digital display is equipped with the no 1 and no 2 functions In this mode the A RD 1 is a display unit only no measurements are taken Please note that the no 1 and or no 2 functions can only be activated via the RS485 interface and cannot be set via the keys located at the unit 7 1 Digital display mode 1 In this mode the value transmitted via the interface is displayed Please note The display value and decimal point position will be transmitted separa tely see data format 1 and or 4 7 2 Digital display mode 2 This mode can be used to call up the display elements directly I
12. Press button 3 once again to switch over to display of measuring value A RD 1 Manual for connection and operation Version 3 0 Page 21 6 RS485 interface The serial interface of the digital display allows communication of the unit with a host computer Data polling and transfer is done in the master slave mode ie the A RD 1 will only transmit data upon request A separate unit address can be attri buted to each A RD 1 Addresses 0 to 15 are implemented The A RD 1 will only respond if requested to do so by the host provided the unit number of the request string corresponds to the one set It will respond within 30 to 60ms after the end of the request This method as well as the fact that the interface operates in the half duplex mode ensure that up to 16 devices can be called via only one 2 wire line 6 1 Interface configuration Type RS485 Transfer mode half duplex Connection 2 pin screw plug in connection Connecting cable 2 pin twisted Data transfer format 2400 baud 1 start bit 7 data bits no parity bit 1 stop bit Communication is entirely achieved by means of printable ASCII code 6 3 Data transfer processing protocol Request data from A RD 1 Request string to A RD 1 6 2 Nr Nr F1 F2 Byte 1 2 3 4 5 6 Response from A RD 1 F1 Fe s or D2 os Ds Byte 1 2 3 4 5 6 7 8 9 Send data to A RD 1 Send sting to A RD 1 Nr
13. We recommend that the offset value be set to 0 0 respectively 0 button 1 button 2 button 3 The offset value offers the possibility of correcting display faults resulting from very long and thin connecting lines respectively sensor tolerances The value input here will be subtracted from the measuring result offset of characteristic curve parallel to zero value B Acknowledge offset value by pressing button 3 The display will show OFFS again E Press button 3 once again The display will show FILt Filter B Selectdesired input filter 0 1 or 2 with buttons 1 and 2 approx 1 5 seconds If no valid measuring values can be found an average value of the latest measuring series will be displayed B Acknowledge by pressing button 3 once again The display will show FILt again B Press button 3 once again The display will show nr Number B Use buttons 1 and 2 to enter the address numbers for accessing the A RD 1 in adata communication network For more detailed information please refer to chapter 6 RS485 interface If you do not intend to use the RS485 interface please disregard and skip both this point and the following one B Acknowledge your input by pressing button 3 The display will show
14. Wss natens Lacaduee reke kane nietde tan page 27 7 2 Digital display mode DS arser mensne rlen nen bene daat en mers idee page 27 8 Malfunction codes naren eneen eenen eneen enenenennenenens page 28 9 SpecifieatiOn zer srenvscurreneren teak rennennnnen anaana keanaan page 30 10 Examples rieneke nenten dend ke daan denn denna denten deren page 32 10 1 Two level humidity controller with min max alarm page 32 A RD 1 Manual for connection and operation Version 3 0 Page 3 1 Safety Regulations In order to exclude any risk whatsoever for the operator the following points have to be obser ved a Immediately switch off the unit in case of visible damage or obvious malfunctions b Make it a rule to always disconnect voltage source and unit befor opening it up The entire unit and its connection have to be fingerproof after installation c Standard regulations for operation and safety for electrical light and heavy current equipment have to be observed with particular attention having to be paid to national safety regulations e g VDE 0100 d When connecting the unit to other units e g PC the interconnection has to be designed most thoroughly as internal connections in third party units e g connection GND with protective earth may lead to undesired voltage potentials Attention When running electric devices parts of these will al ways be highly energised Unless the warnings are observed se rious pe
15. again B Switch over to next parameter by pressing button 3 once again The display will continue showing the input signal selected with both right hand figures flashing OARE HAAB BHAA 8 E Via buttons 1 and 2 you may now enter the value to be displayed on the A RD 1 for either one ofthe following input signals 20 mA 1 Voltor 10 Volt B Acknowledge value set by pressing button 3 The display will show the input signal again A RD 1 Manual for connection and operation Version 3 0 Page 11 B Press button 3 once again The display will show LI Limit E Use buttons 1 and2to select desired measuring range limitation Display Measuring range Application limitation The measuring range limits ard approx 10 over under the Standard setting standard signal set Measuring range is exactly li In case signals above below the standard signal range re mited to the desired standard sult in errorneous display values signal Examples rel humidity gt 100 oH B Acknowledge selection by pressing button 3 The display will show LI again B Press button 3 once again The display will show FILt Filter B Selectdesiredinputfilter 0 1 or 2 with buttons 1 and 2 Oo d i e o S 1 approx 1 5 seconds If no valid measuring values can be found an average
16. digit After pressing of the buttons for an extended time gt 1s the values start counting up or downwards with the counting speed being increased after 8 s B Acknowledge input with button 3 The display will show Fr An again B Press button 3 once again The display continues showing Fr An with An Anzeige display flashing B Use buttons 1 and 2 to enter value to be displayed onthe A RD 1 for the highest possible frequency set before B Acknowledge value to be displayed by pressing button 3 The display will show Fr An again B Press button 3 once again The display will show LI Limit E Selectdesired limitation of measuring range by pressing buttons 1 and 2 i i 2 el A RD 1 Manual for connection and operation Version 3 0 Page 14 Display Measuring range Application limitation Frequencies up to 10kHz will be Standard setting measuredl Frequencies exceeding the hig In case signals exceed the highest frequency this will hest possible frequency set will result in erroneous display values result in erroneous displays Examples rel humidity gt 100 B Acknowledge selection by pressing button 3 The display will show Ll again B Press button 3 once again the display will show FILt Filter B Select desired input filter 0 1 or 2 by pressing buttons 1
17. the display will show l on making point of output 1 E Use buttons 1 and 2 to set value at which output 1 is to be made Rolling function Buttons 1 and 2 are equipped with a rolling button 1 button 2 button 3 function for entering values Short pressing of the buttons in creases button 1 respectively decreases button 2 value by one digit After pressing of the buttons for an ex tended time gt 1s the values start counting up or downwards with the counting speed being increased after 8 s B Acknowledge making point set by pressing button 3 The display will show l on again B Press button 3 once again the display will show LoFF breaking point of output 1 B Use buttons 1 and 2 to set value at which output 1 is to be broken B Acknowledge value by pressing button 3 The display will show l oFF again If you have selected the 2 level controller function the configuration of the display is now completed Press button 3 once again to switch over to display of measuring value If you have selected the 3 level controller function please proceed as follows B Press button 3 The display will show 2 on making point of output 2 B Use buttons 1 and 2 to set making point of output 2 B Acknowledge by pressing button 3 The display will
18. to 20mA Ri 500hm 0 to 20mA Ri 500hm 0 to1V Ri 30kOhm Oto 10V Ri 300kOhm Resistance input for temperature measuring 2 wire Two characteristic sensor curves are implemen ted KTY87 205 40 110 C resolution 0 1 C Pt1000 50 600 C resolution 1 C Digital zero point offset can be carried out via buttons or interface Please note Any temperature sensor with measuring transducer Pt100 NiCr Ni etc can be connected via standard signal input Frequency input Measured frequency 0 bis 9999Hz Resolution 1Hz Level LOW lt 0 8 Volt HIGH gt 2 4 Volt Permissible voltage Oto 28V Application e g frequency measurements flow flow rate current values speed velo city etc Counter input Up and down counter up to max 32768 pulses Display max 9999 Level LOW lt 0 8 Volt HIGH gt 2 4 Volt Permissible voltage 0 bis 28V Switchable scaler can be programmed from 1 to 255 Pulse frequency up to 20 pulses second in connection with max sca ler value up to 5100 pulses second Cascade arrangement of several indicators possible thus allowing unlimited extension of counting range 4 places per unit Application e g flow quantity overall quan tity counter piece counter pulse counter sum counter etc Version 3 0 Page 30 Data Display for use as a data display without measuring function Two display modes are possible Please note the data display function ca
19. value of the latest measuring series will be displayed B Acknowledge by pressing button 3 once again The display will show FILt again B Press button 3 once again The display will show nr Number B Use buttons 1 and 2 to enter the address numbers for accessing the A RD 1 in a data communication net work For more detailed information please refer to chapter 6 RS485 interface If you do not intend to use the RS485 interface please disregard and skip both this point and the following one B Acknowledge your input by pressing button 3 The display will show nr again You have now completed setting up and adjusting of your display to your measuring transdu cer Please proceed to the next step of commissioning i e configuration of the A RD 1 out puts as described in chapter 5 A RD 1 Manual for connection and operation Version 3 0 Page 12 4 3 Temperature sensor KTY87 205 and Pt1000 This chapter describes the configuration for direct connection of a temperature sensor type KTY87 205 or Pt1000 The following instructions are based on the assumption that you have selected input signal KTY87 or Pt1000 as described in chapter 4 1 The display should show INP E Press button 3 the display will show OFFS Offset B Setoffset value zero offset with buttons 1 and 2
20. wiKal TRONIC User s guide Compact Indicator 4 digit Model A RD 1 WIKA Alexander Wiegand GmbH amp Co KG Alexander Wiegand Str 63911 Klingenberg T 09372 132 0 Fax 09372 132 406 414 http www wika de E mail support tronic wika de V 3 0 2008980 07 99 A RD 1 Manual for connection and operation Version 3 0 Page 2 INDEX 1 Safety regulations nz asa azuevevenaavennnenerereratewensnnendedsnad ones page 3 2 MFOOUCHONS iets nv zerdenenern dennen demarara den ira ha de naa sen oenen page 4 3 Electric COMMECHION sarrra ervaren nanne vane nern snake sane ek bna nandn page 5 3 1 Terminal assignment sert tees i es a ees i eene ei page 5 3 2 Connection data En page 5 3 3 Wiring of IN DULSIQ Nall znne etste eet eset ee enn page 5 3 3 1 Wiring of a 4 to 20 mA measuring transducer in 2 wire technology page 5 3 3 2 Wiring of a 0 4 to 20 mA measuring transducer in 3 wire technology page 6 3 3 3 Wiring of a 0 to 1 10 Volt measuring transducer in 3 wire technology page 6 3 3 4 Wiring of a 0 to 1 10 Volt measuring transducer in 4 wire technology page 6 3 3 5 Wiring of a Pt1000 or KTY87 205 temperature sensor page 6 3 3 6 Wiring of a frequency Signal eeen page 7 3 3 7 Witing or a COUNtSIGNAN sneven Ook odin dae eeeh eae aa deden tha Sada tank edule page 7 3 4 Wiring of switching outputs aaa aaneen eneen eenen page 8 3 5 Wiring of several compact indicators ee p
21. 0mA at 12V DC without interface Electromagnetic compatibility In accordance with EN50081 1 and EN50082 2 for unrestricted use in housing and industrial areas Additional error lt 1 Unit tested with Filter 1 Housing Glass fibre reinforced Noryl Dimensions 24 x 48 mm Mounting depths approx 65mm Panel mounting With stainless steel spring clip Panel thick ness from 1 to approx 10 mm Panel cutout 21 7 x 45 5 mm h x w Electric connection Standard connection by means of screw ty pe plug in terminals 2 pin for interface and 8 pin for all remaining connections Wire dia from 0 14 to 1 5 mm IP rating IP54 with optional O rings for front side IP65 upon request Special accessories Power pack with switching relay Interface converter A RD 1 Manual for connection and operation 10 Examples 10 1 2 level humidity control Transducer Measuring range Output signal Control humidify unit on unit off Alarm monitoring Version 3 0 Page 32 with min max alarm 0 0 r h to 100 0 r h 0 Volt to 10 Volt 50 0 r h 52 0 r h alarm to be issued if humidity exceeds a value of 60 or falls below 45 for more than 10 minutes Adjustment of A RD 1 to measuring transducer Remove red front plate Apply supply voltage and wait for segment test to be completed Start configuration process by briefly pressing button 3 The display will show INP Press button 1 0 2 sev
22. 10 step 1 on Blinking at 100 step 1 on Blinking at 1000 step 1 on A RD 1 Manual for connection and operation Version 3 0 Page 28 8 Malfunction codes A corresponding fault code will be displayed as soon as the digital display detects an opera ting state that is not permissible Fault codes are defined as follows FE1 FE2 FE3 FE4 Measuring range has been exceeded This fault code indicates that the measuring range has been exceeded Potential causes input signal too high sensor broken KTY87 205 and Pt1000 sensor short circuit 0 4 to 20mA counter overflow Remedies The fault code is reset as soon as the input signal has re turned to within the permissible limits Check sensor measuring transducer and or frequency ge nerator Reset counter Values below measuring range This fault code indicates that the values of the A D converter are below the measu ring range Potential causes input signal negative current below 4mA sensor short circuit 0 4 to 20mA sensor broken 4 to 20mA counter underflow Remedies The fault code is reset as soon as the input signal has re turned to within the permissible limits Check sensor measuring transducer and or frequency ge nerator Reset counter Display range has been exceeded This fault code indicates that the permissible display range has been exceeded Potential causes please refer to FE1 Remedies please refer to FE1 Values below display ra
23. A RD 1 Manual for connection and operation Version 3 0 Page 9 4 Input configuration 4 1 Selection of input signal B Commission digital display and wait for segment button 1 button 2 button 3 test to be completed B Press button 3 e g using small screw driver INP INPUT willbe displayed E Select input signal by pressing button 1 or button 2 left hand respectively centre button 0 to 20mA el DIE ik cD 4 to 20mA 0 to 1 Volt 0 to 10 Volt KTY87 205 temperature sensor Pt1000 temperature sensor digital display mode 1 only selectable by interface digital display mode 2 only selectable by interface B Acknowledge signal selected by pressing button 3 Display shows INP again Depending on the input signal selected additional inputs will be required Please proceed as per the instructions given in chapter 4 2 for 0 to 20 mA 4 to 20 mA 0 to 1 Volt or 0 to 10 Volt chapter 4 3 for KTY87 or Pt1000 chapter 4 4 for frequency and CDD nin F z g g 0D B mn En CR am DOD DD SD g6 ED DO En Q oO i LD DE OB Fo chapter 4 5 for upwards or downwards counter A RD 1 Manual for connection and operation Version 3 0 Page 10 4 2 Standard signals 0 to 20 mA 4 to 20 mA 0 to 1 Volt and 0 to 10 Volt This chapter d
24. The display should show INP E Press button 3 the display will show dP decimal point B Select position of decimal point as desired by pres sing buttons 1 and 2 button 1 button 2 button 3 B Press button 3 the display will show SCAL scaler E Set desired scaler value 1 to 255 by pressing but tons 1 and 2 Rolling function Buttons 1 and 2 are equipped with a rolling function for entering values Short pressing of the buttons increases button 1 respectively decreases button 2 value by one digit After pressing of the buttons for an extended time gt 1s the values start counting up or downwards with the counting speed being increased after 8 s The pulses received at the input will be divided by the scaler value before being evaluated The digital display is able to process a maximum number of 20 pulses directly By entering a corresponding sca ler value pulse frequencies of up to 5100 pulses 20 pulse s 255 can be displayed The A RD 1 counter ranges from 0 to 32767 pulses By means of the scaler this range can be extended to up to 8355585 pulses 32767 255 Coarse scaling is also facilitated by the scaler value Example A flow sensor emits 120 pulses per litre By entering a scaler valu
25. act indicator prior to starting transfer of data to the host If the character is transferred by the host after issuing of the unit number the A RD 1 will know that data are to be transferred from the host to the display programming ASCII code 24H Signals that the data following will be transferred in hexadecimal code Permissible range 0 to 9 and A to F corresponding to ASCII code 30H to 39H and 41H to 46H Data will be presented in the hexadecimal mode For more detailed infor mation please refer to chapter 6 6 Data formats ASCII code 61H transferred as hand shake signal after successful data input to the me mory A RD 1 Manual for connection and operation Version 3 0 Page 23 6 5 Functional code The value parameter to be read respectively re programmed is specified by two bytes designed F1 and F2 in the data transfer protocol Table 1 illustrates the assignment of functional code and value parameter as well as of the correspondingly vlaid data format It is vital to ensure that only those functional codes and their permissible da ta as stated in table 1 are transmitted to the display as otherwise internal set tings of the unit could be changed Parameter resp value ASCII ASCII code Data character format 30H zon 33 30H 34 soh 3 30H 36H Display value for OmA 4mA resp 0 Volt highes t frequency to be measured max number of pulses 30H a ryt 30H 37H Display va
26. age 8 4 Input configuration essen cernereen deekveendacrtens een skearn denderen page 9 4 1 Selection of input signals ccceeee cece cece nnee nennen nnen page 9 4 2 Standard signals 0 to 20 mA 4 to 20 mA 0 to 1 Volt and 0 to 10 Volt page 10 4 3 Temperature sensor KTY87 205 and Pt1000 ccc eee eee e eee page 12 4 4 Frequency MEASURE sxc cecsiwestenn erase nsemoace neee neet page 13 4 5 Upwards downwards counter eeen page 15 5 Output configUratlON arszterernssnseeanmeargeardeada eten deeeheinsden page 17 5 1 Setting of output function ee sarren ige Ee bnr nate danae ee page 17 5 2 Two level controller three level controller onee page 18 5 3 Min max Ln EE page 19 5 4 Two level controller with min max alarm 000eeeeeeeeeeeeeeeeeeeee page 20 6 RS485 Interface nnnnnnnanannnenenennnenannensnenenensnenenen page 21 6 1 Interface configuration Art oren th edaWenthbalngs benthem page 21 6 2 Date Tranisier format seve seeds rent ater a a a a stere page 21 6 3 Data transfer processing protocol cee cece cece eeen page 21 6 4 Description of characters used 233 tees se vec oaece nies eta cdeeeee ee tee page 22 6 5 FPURCHONAlCOUC onraad Abee eaf Binet tes page 23 6 6 Dale Ofman eetset entente deet orien ee ean page 24 6 7 Availability oon ne eneen nnn page 26 7 A RD 1 digital display only nennen eenen eneneen page 27 7 1 Digital display mode
27. and 2 If no valid measuring values can be found an average value of the latest measuring series will be displayed 2 on approx 1 5 seconds If no valid measuring values can be found the fault message FE5 will be displayed B Acknowledge by pressing button 3 once again The display will show FILt again B Press button 3 once again The display will show nr E Use buttons 1 and 2to enter the address numbers for accessing the A RD 1 inadatacommuni cation network For more detailed information please refer to chapter 6 RS485 interface If you do not intend to use the RS485 interface please disregard and skip both this point and the following one B Acknowledge your input by pressing button 3 The display will show nr again You have now completed adjusting of your display to the measuring transducer Please proceed to the next step of commissioning i e configuration of the A RD 1 outputs as descri bed in chapter 5 A RD 1 Manual for connection and operation Version 3 0 Page 15 4 5 Upwards downwards counter This chapter describes the configuration of the display when used as counter The following instructions are based on the assumption that you have selected input signal upwards coun ter Co uP or downwards counter Co dn as described in chapter 4 1
28. e of 120 one pulse per litre will be transferred to the A RD 1 for evaluation If possible we recommend setting a scaler value above 1 as this will render the compact indicator unit more insensitive to high frequency interference signals B Acknowledge scaler value by pressing button 3 The display will show SCAL again A RD 1 Manual for connection and operation Version 3 0 Page 16 B Press button 3 the display will show CoAn with Co counter flashing E Use buttons 1 and2 to set max number of pulses to be counted for upwards counter number of pulses as of which to start downwards counting fordownwardscounter A value of 9999 has to be set for the required number of pulses from 10000 to 32767 Please note At this point set number of pulses to be transferred to the display after the scaler In order to calculate overall number of pulses this value has to be multiplied by the scaler value set B Acknowledge input by pressing button 3 once again The display will show Co An again B Press button 3 once again The display will continue showing Co An with An display flashing B Use buttons 1 and 2 to enter the value to be dis played by the A RD 1 for any preselected number of pulses B Acknowledge display value by pressing button 3 The display will show Co An again B Press button 3 once again The display will sho
29. eral times till the display shows 0 10 When pressing button 1 or 2 for the first time the compact indi cator will switch from the menue prompt INP to the input signal actually set You can then select an input signal with the same buttons ie Oto 10 Volt in our example Acknowledge input signal selected by pressing button 3 The display will show INP again After selecting the respective input signal it has to be acknow ledged by pressing button 3 Only then will it be taken over into the internal memory The A RD 1 switches back to the menue prompt display MThe following menue prompt is called up by pressing button 3 again The display will show dP mPress button 1 respectively 2 several times till the dis play shows Programming of the decimal point will also determine the dis play resolution In our example we can choose between reso lutions of 1 display O to 100 or 0 1 0 0 to 100 0 Resolution 0 1 will be selected Acknowledge decimal point selected by pressing but ton 3 once again The display will show dP again Call up next menue prompt by pressing button 3 again The display will show 0 10 with 0 flashing The A RD 1 requests the value which is to be displayed if an input signal of 0 Volt has been applied ie 0 0 in our example Set display value to 0 0 using buttons 1 and 2 Rolling function to be considered Acknowledge display value by pressing button 3 The display will show 0 10 again MPress butt
30. escribes the configuration for standard signals The following instructions are based on the assumption that an input signal ie 0 to 20 mA 4 to 20 mA Oto 1 Volt or 0 to 10 Volt has been selected according to the directions given in chapter 4 1 The display shows INP B Press button 3 display shows dP decimal point B Select desired place for decimal point by pressing buttons 1 and 2 B Acknowledge position of decimal point by pressing button 3 Display shows dP again E After pressing button 3 again the display will show the input signal set 0 to 20 4 to 20 Oto 1 or 0 to 10 with the left hand figure flashing GIHIBIG AAA AAAA GHEE B Use buttons 1 and 2 to enter the value to be displayed for an input signal of 0 mA 4 mA or re spectively 0 Volt Rolling function Buttons 1 and 2 are equipped with a rolling function for entering values Short pressing of the buttons increases button 1 respectively decreases button 2 value by one digit After pressing of the buttons gt 1s for an extended time the values start counting up or downwards with the counting speed being increased after 8 s B Acknowledge value displayed by pressing button 3 The display will show the input signal
31. in 3 wire technology mains supply 9 28 VDC mains supply 9 28 VDC Uv 0 4 20mA F transmitter VI 1 0 4 20mA 7 transmitter mains supply _ for transmitter with individual transmitter supply without individual transmitter supply 3 3 3 Wiring of a 0 to 1 10 Volt measuring transducer in 3 wire technology mains supply _ 9 28 VDC mains supply _ 9 28 VDC Sig 0 1 10 V Cuv transmitter m 0 1 10 V z transmitter Mains supply __ fortransmitter without individual transmitter supply transducer in 4 wire technology with individual transmitter supply 3 3 4 Wiring of a 0 to 1 10 Volt measuring Nea nne a Co mains supply 4 mains supply _ 9 28 VDC 9 28 VDC Uv be 0 1 10 V Sig transmitter HU Sigg 0 1 10 V So transmitter Uv mains supply E fortransmitter Pin2 7 of the A RD 1 are internal connec ted gt Uv and Sig get connected with individual transmitter supply without individual transmitter supply 3 3 5 Wiring of a Pt1000 or KTY87 105 temperature sensor 1 ds mains supply _ 9 28 VDC mains supply 9
32. information regarding the alarm and fault state of the unit The assignment is as follows Data byte D1 BitO 1 Fault FE5 active Bit2 1 Fault FE7 active Bit3 1 Fault FE8 active Data byte D2 BitO 1 Fault FE1 active Bit1 1 Fault FE2 active Data byte D4 BitO 1 max alarm Bit1 1 min alarm Bit3 1 alarm A RD 1 Manual for connection and operation Version 3 0 Page 25 Data format 3 This format is used to call up and program the input signal The assignment is as follows Current input 0 to 20 mA Current input 4 to 20 mA Voltage input 0 to 1 Volt Voltage input 0 to 10 Volt Resistance input KTY87 205 Resistance input Pt1000 Frequency input Upwards counter Downwards counter Digital indicator mode 1 only selectable by interface 10 Digital indicator mode 2 only selectable by interface Data format 4 This format is used to call up and or program the position of the decimal point The assignment is as follows OMONDARWNMY O 0 no decimal point 1 decimal point after 2 digits 10 2 decimal point after 3 digits 100 3 o decimal point after 4 digits 1000 Data format 5 This format is used to call up and program the scaler for the counter function The scaler can be set to a value between 1 and 255 Data format 5 corresponds to the general data format It is only the range of values that is limited to the permissible scaler range of 1 to 255 equalising 0001H to OOFFH Data format 6 This format i
33. ler digital 2 level digital 2 level 5 2 controller controller B 2 level controller with min and max digital 2 level 5 4 min max alarm alarm controller individual min max max alarm min alarm 5 3 alarm B Acknowledge output function selected by pressing button 3 The display will show outP again Depending on the output signal selected the various making breaking points respectively min max alarm limits will have to be entered Please proceed as per the instructions given in button 1 button 2 button 3 chapter 5 2 for 2 level controller chapter 5 3 for common min max alarm chapter 5 2 for 3 level controller chapter 5 4 for 2 level controller with min max alarm chapter 5 3 for individual min max alarm If you have not selected any function the configuration is now completed Press button 3 to switch over to display of measuring value A RD 1 Manual for connection and operation Version 3 0 Page 18 5 2 2 level controller 3 level controller This chapter describes the setting of the making points when using the A RD 1 as digital 2 level controller or 3 level controller The following instructions are based on the assumption that you have selected output function 2 level controller or 3 level controller as described in chapter 5 1 The display should show outP B Press button 3
34. lue for 20mA 1 Volt resp 10 Volt display value for max frequency dis play value for max number of pulses 30H 38H 30H 39H 30H 41H 30 42 30 43 30 44 30 4 30H 46H 31H 30H 31H 31H 31H 32H 31H 33H 10 IT T L oa i 1 1 1 akik pae 3 Table 1 A RD 1 Manual for connection and operation Version 3 0 Page 24 6 6 Data format General information The four bytes termed D1 to D4 in the data transfer protocol represent the para meter value specified by F1 and F2 The value is represented in hexadecimal printable ASCII characters The A RD 1 treats all values as 16 bit words which means that a range of values from 32768 to 32767 and correspondingly a range from 8000H to 7FFFH can be displayed The following 4 data bytes contain the 16 bits mentioned above D1 equalising Bit 15 to 12 D2 equalising Bit 11 to 8 D3 equalising Bit 7 to 4 D4 equalising Bit 3 to 0 Examples decimal hex_ D1 p2_ p3_ p4 p1 p2 D3 Da a eee P P Ff aon aon aon 40n 1f sen aen san on sen ah son 46H Data format 1 Data format 1 corresponds to the general data format It is only the range of values that is limited to the display range of 1999 to 9999 equalising F831H to 270FH The decimal point will not be considered The decimal point position can be called up separately Data format 2 This format is used to call up and reset the system state Data bytes D1 to D4 con tain
35. n only be activated by RS485 interface Digital display mode 1 no 1 a numeric value translate by the interface ist displayed Digital display mode 2 no 2 all display elements can be accessed di rectly Additinally every 7 segment display can be set to flashing Accuracy lt 0 5 1 sigit Display Red LED with 4 digits 10 mm high Range of application Standard signal inputs 1999 to 9999 digits Recommended dis play range max 2000 digits KTY87 205 40 0 to 110 0 C Pt1000 50 to 600 C Scale can be adjusted via buttons or interface Standard signal inputs Any decimal point can be selected Display range freely adjustable by entering of start and end values Resistance input Two characteristic sensor curves with pre set measuring range implemented Zero point offset can be carried out after entering an offset value Frequency Any decimal point can be selected Freely adjustable gradient by entering the highest possible frequency and the corre Counter input counter Any decimal point can be selected Freely adjustable gradient by entering the number of pulses and the corresponding display value Switchable scaler 1 to 255 A RD 1 Manual for connection and operation Filter Digital filter can be selected via buttons or interface 0 no interference rejection approx 2 to 3 measurements second 1 interference rejection filter active ap prox 1 5 sec
36. n addition a blinking mode can be activated for each of the 7 display elements individually The segment information is transferred via the two F1 F2 Codes 01 30H 31H and 02 30H 31H As the A RD 1 works with ASCII Codes only it is possible to transmit 16 segment informati ons 16 bit per F1 F2 Code To control the 32 segments of the display two F1 F2 Codes are required First of all send Code 02 prior to sending Code 0 Sending of 02 freezes the display value By sending 01 the value is made available for the display Please refer to the opposite table for the segment assignment segment e segment d segment c segment b segment a segment f segment g segment dp segment e segment d segment c segment b 10 step segment a segment f segment g segment dp segment e segment d segment c segment b 100 step segment a segment f segment g segment dp segment e segment d segment c segment b 1000 step segment a segment f segment g segment dp In addition to controlling the individual seg ments the blinking mode can be activated for each of the four 7 segment displays Use the F1 F2 Codes 00 to activate and de activate the blinking mode By sending of 00 the value will be made available for the display simultaneously F1 F2 Data code En 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 Blinking at 1 step 1 on Blinking at
37. nge This fault signal indicates that the values are below the permissible display range Potential causes please refer to FE2 Remedies please refer to FE2 A RD 1 FE5 FE7 FE8 Manual for connection and operation Version 3 0 Page 29 Measuring signal interfered This signal indicates that the measuring signal at the input of the display is unstable Potential causes Remedies System fault strong EMC interferences defective measuring transducer The fault message will disappear as soon as the measu ring values are stable again Check wiring sensor and or measuring transducer Use screened cables if operating in an environment with strong interferences The display is equipped with a self diagnosis function for constantly checking essen tial parts In case of a defect the fault message FE7 is displayed Potential causes Remedies permissible operating temperature has been exceeded operating temperature below permissible range A RD 1 defective Observe permissible operating temperature Exchange defective A RD 1 Frequency measuring not possible Potential causes Remedies continuos data transfer at RS485 interface increase interface idle time between transfer to 2s at lenst A RD 1 Manual for connection and operation 9 Specification Sensor inputs Can be selected via 3 buttons located under the removable front plate or via the standard RS485 interface Standard signals 4
38. nr again You have now completed setting up and adjusting of your A RD 1 to your measuring transdu cer Please proceed to the next step of commissioning i e configuration of the A RD 1 out puts as described in chapter 5 A RD 1 Manual for connection and operation Version 3 0 4 4 Frequency measuring Page 13 This chapter describes the configuration of the digital display when used for frequency mea suring The following instructions are based on the assumption that you have selected input signal frequency as described in chapter 4 1 The display should show INP B Press button 3 the display will show dP decimal point E Select position of decimal point as desired by pressing buttons 1 and 2 Z button 1 button 2 button 3 B Acknowledge position of decimal point by pressing button 3 The display will show dP again B Press button 3 the display will show Fr An with Fr frequency flashing B Enter highest frequency value to be measured by pressing buttons 1 and 2 Rolling function Buttons 1 and 2 are equipped with a rolling function for entering values Short pressing of the buttons increases button 1 respectively decreases button 2 value by one
39. on 3 once again The display will show 0 10 with 10 flashing The A RD 1 requests the value which is to be displayed if an input signal of 10 Volt has been applied ie 100 0 in example Set display value to 100 0 using buttons 1 and 2 Acknowledge display value by pressing button 3 The display will show 0 10 again Press button 3 once again The display will show LI In order to prevent the display of incorrect values such as 100 5 r h when temperature sensor comes into contact with condensation the display range of the A RD 1 has to be limi ted to the permissible measuring range limits This is done by selecting 1 in the menue prompt LI Set display to 1 using buttons 1 and 2 Acknowledge by pressing button 3 The display will show Ll again Press button 3 once again The display will show FILt Set display to 1 using buttons 1 and 2 Acknowledge by pressing button 3 The display will show FlLtagain Press button 3 once again The display will show nr As we will not use the serial interface in our example no unit address will have to be entered The adjustment of the digital display to the measuring transducer has been completed Please proceed to selecting of the control supervi sory functions and to setting the making breaking points and alarm limits Press button 3 once again The display will show OUtP The first menue prompt of the output configuration is always OUtP select output function Use buttons 1 and
40. on with a host computer 4 4 O Q Q When leaving our factory the compact indicator has been subjected to various inspection tests and is com pletely calibrated button 1 button 2 button 3 Before it can actually be used the compact indicator will have to be confi gurated for customer s application Please proceed as follows B connectcompactindicatorcompletely see chapter 3 Electric connection B remove red front plate see sketch B switch on supply voltage and wait for segment test to be completed T front plate F indi j i i o remove front plate AB B adjust compactindicator to the input signal required turn carefully with screw i En proceeding as per chapter 4 Input configuration driver B set compact indicator outputs according to the di rections given in chapter 5 Output configuration B red front plate to be snapped back on Output Output2 Freq Counter mA mA V KTY Pt 0 1V KTY Pt A RD 1 Manual for connection and operation Version 3 0 Page 5 3 Electric connection Wiring and commissioning of the unit must be carried out by trained personnel Wrong wiring may lead to the destruction of the digital display in which case we cannot assume any warranty 3 1 Terminal assignment 1_ Supply voltage Uv 9 28 V DC
41. onds delay 2 interference filter active same as 1 but fault code FES displayed in addition in case of continuous measuring interference Switching outputs 2 individual transistor switching outputs GND switching Switching current 50mA Switching voltage 30V DC Response time lt 1 sec after display change Possible configurations Display 2 level controller Common min max alarm 2 level controller with min max alarm 3 level controller Individual min max alarm generator Counter with preselector switch Alarm delay Range from 0 to 99 minutes can be set Limitation of set point value Automatic with regard to the display range set Supervisory function Broken sensor and sensor short circuit Values above below permissible range Self diagnosis integrated Hardware Watchdog Segment test Automatic whenever unit is switched on Data storage All values programmed will be stored for at least 10 years even without current supply EEPROM Interface Standard RS485 interface Up to 16 units can be connected in a network via this 2 wi re interface Units no 0 to 15 can be di rectly addressed via front side keys or via Version 3 0 Page 31 interface Connection to interface RS232 via inter face converter GRS 485 or via any com mercial interface adaptor RS232 to RS485 Please note In case of counter input no interfa ce required Supply voltage 9 to 28 V DC Current consumption Max 6
42. rsonal injuries or damage to property may result Skilled personnel only should be allowed to work with this unit For trou ble free and safe operation of the unit please ensure professional transport storage installation and connection as well as proper operation and maintenance Skilled personal are persons familiar with installation connection commissioning and operation of the product and have professional qualification relating to their job For example B Trainig orinstruction and or qualification to switch on off isolate ground and mark electriccircuits anddevices systems B Training or instruction according to the state of the art of safety technology to maintain and operate safety equipment B First aidtrainig A RD 1 Manual for connection and operation Version 3 0 Page 4 2 Introduction Our compact indicator A RD 1 is a microprocessor controlled display supervision and control unit for universal applications There are connections for four standard signals 0 to 20 mA 4 to 20 mA 0 to 1 Volt and 0 to 10 Volt two temperature sensors KTY87 205 and Pt1000 fre quency measuring and counter functions In addition two switching outputs are available which can be configurated as two level controller three level controller two level controller with min max alarm common or individual min max alarm Furthermore the unit is equipped with a standard RS485 interface thus allowing communicati
43. s used to program the limitation of the measuring range The assignment is as follows 0 extended measuring range limits LI 0 1 narrow measuring range limits LI 1 Data format 7 This format is used to call up and program the filter The assignment is as follows 0 filter off FILt 0 lis 2 filter on with calculation of average value FILt 1 Dirt filter on with FE7 message being active FILt 2 A RD 1 Manual for connection and operation Version 3 0 Page 26 Data format 8 This format is used to program the unit address Permissible addresses range from 0 to 15 Data format 8 corresponds to the general data format It is only the range of values that is limited to the permissible unit addresses from 0 to 15 equalising 0000H to OOOFH Data format 9 This format is used to call up and program the output configuration application The assignment is as follows no output active unit used as display only 2 level controller common min max alarm 3 level controller 2 level controller with alarm individual min max alarm akwWh oO Data format 10 This format is used to call up and or program the alarm delay time The delay time programme range is 0 to 99 minutes Data format 10 corresponds to the general data format It is only the range of va lues that is limited to the permissible delay time of 0 to 99 minutes equalising OOOOH to 0063H Data format 11 corresponds to the general data format 6 7
44. w LI Limit B Select desired limitation of measuring range by pres sing buttons 1 and2 Display Measuring range Application limitation Frequencies up to 10kHz will be Standard setting measuredl Frequencies exceeding the hig In case signals exceed the highest frequency this will hest possible frequency set will result in erroneous display values result in erroneous displays Examples rel humidity gt 100 B Acknowledge selection by pressing button 3 The display will show LI again You have now completed adjusting of your A RD 1 to the measuring transducer Please proceed to the next step of commissioning i e configuration of the A RD 1 outputs as described in chapter 5 A RD 1 Manual for connection and operation Version 3 0 Page 17 5 Output configuration The switching outputs must never be configurated prior to the configuration of the in put please refer to chapter 4 5 1 Setting of output function B Commission A RD 1 and wait for segment test to be completed B Press button 3tilloutP Output will be displayed E Selectdesired output function by pressing buttons 1and2 Display Description Function continue Output2 har Output 2 hapter Ala no function EEE e as display only E 2 level controller digital 2 level 5 controller g common min max min and max 5 3 alarm alarm B 3 level control
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