ICS Schneider Messtechnik IAKV-2VR4C, User Manual

Page 1: ...height 20 mm Colour red Range of display 999 9999 Wall mounting case black made of ABS plastic Protection class IP65 Sizes 160 x 130 mm Depth 60 mm Supply 230 VAC Sensor supply 24 V 50 mA Measuring input 0 10 VDC 0 4 20 mA 2 relay output 10 point linearisation Offset presetting Tara Hold function ...

Page 2: ...6 1 Optical response display flashing 11 6 Programming 12 6 1 Programming procedure 12 6 1 1 Change to the operating mode 13 6 2 Measuring input 13 6 2 1 Factory calibration 13 6 2 2 Sensor calibration 14 6 2 3 Sensor linearisation 14 7 Device parameter 15 7 1 1 Measuring input PN0 15 7 1 2 Skaling PN1 and PN2 15 7 1 3 Decimal point PN3 15 7 1 4 Offset shift PN5 15 7 1 5 Zero point suppression PN1...

Page 3: ...ckaging Please inform the supplier immediately of any damage 2 3 Installation The IAKV 2VR4C must be installed by a suitably qualified specialist e g with a qualification in industrial electronics 2 4 Notes on installation There must be no magnetic or electric fields in the vicinity of the device e g due to transformers mobile phones or electrostatic discharge The fuse rating of the supply voltage...

Page 4: ...e removed from the lower part The upper section is connected to the lower section via a catch support facilitating subsequent cable assembly on the IAKV 2VR4C unit which is hanging downwards III In the next step in accordance with the above diagram 4 holes should be drilled for the screws After this you can mount the housing on the wall with the PG screws aligned upwards IV Now the connecting cabl...

Page 5: ... der Befestigungslöcher 4 Electrical connection Connect all the signals needed for operation to the back terminal strips The connecting terminals are provided with a reference grid of 5 08 mm as clamp terminals These enable the connection of wires up to 2 5 mm 4 1 Position of the connecting terminals ...

Page 6: ... 5 The AK M2 VVR4C has a voltage input and a current input to which most conventional sensors with a standard signal output can be connected The input is galvanic isolated from the power supply auxiliary voltage and the sensor supply Sensor Measuring range 12 11 10 0 10 V 0 5 V 12 V 12 V U U 0 20 mA 4 20 mA 24 mA 24 mA I I Examples for connecting different transmitters can be found in the section ...

Page 7: ...ly Measurement of a voltage signal 0 5 V or 0 10 V from a 3 wire transmitter using the sensor supply 24 VDC The ground is bridged via the sensor which eliminates the measuring error through the drop in voltage on the sensor supply wires Measuring a current signal 0 20 mA from a 3 wire transmitter using the sensor supply 24 VDC The voltage drop on the sensor supply wire is irrelevant which is why t...

Page 8: ...e programming mode or perform various functions in the programming mode 2 Minus key With the minus key you can call up the MIN memory or alter parameters in the programming mode 3 Plus key With the plus key you can call up the MAX memory or alter parameters in the programming mode 5 1 2 Displays The IAKV 2VR4C has a 4 digit 7 segment display and two LED 4 7 segment display In the 7 segment display...

Page 9: ...inimum and maximum values are saved in a volatile memory in the unit and get lost when the unit is switched off You can call up the contents of the memory by pushing less than 1 second the S or T key The relevant value is indicated for approx 7 seconds By briefly pressing the same key again you will return immediately to the display mode Display of the MAX value Display of the MIN value You can er...

Page 10: ...delay Time between reaching the threshold and the resultant switching off of the relay Active above SP value The setpoint is off below the threshold and switched on on reaching the threshold Active below SP value The setpoint is on below the threshold and switched off on reaching the threshold Switch on delay The relay is on e g 10 seconds after reaching the threshold briefly exceeding the thresho...

Page 11: ...Operation 11 24 5 6 1 Optical response display flashing The switching on of one or more alarm outputs can also be set to trigger a flashing of the display to enhance the optical response ...

Page 12: ...s the S key for changing to a higher program number or the T key for changing to a lower number By keeping the keys pushed e g P S the display will begin after approx 1 second to automatically run through the program numbers Example A 1 is parameterised under PN0 Hold the P key down and press the S key once PN1 appears in the display Under this parameter the final value of input can be changed Cha...

Page 13: ...izontal bars lighting up in the display Example Save the parameters by pressing P for one second All the newly entered data are confirmed by the unit If no confirmation is received the relevant parameters have not been saved Example You receive confirmation from the unit that the changes have been saved through the appearance of horizontal bars in the middle segments 6 1 1 Change to the operating ...

Page 14: ... confirmation will be shown On the other hand the relevant indication values do not need to increase constantly They can also fall or alternate between rising and falling Example To program e g 5 additional calibration points 5 must be entered under PN100 Subsequently for each of the calibration points the voltage current must be applied to the unit and the respective indication value programmed u...

Page 15: ...indication value only on the position of the decimal point in the display 7 1 4 Offset shift PN5 With this parameter it is possible to carry out a parallel shift of the parameterised characteristic line This may be necessary if for example a pressure transmitter ages over the course of time giving rise to a shift in the zero point With the parallel shift the transmitter can be adjusted back to the...

Page 16: ...utputs 59 60 63 65 70 73 75 X X X X X Hysteresis of the alarm outputs 62 72 X X X X X X Thresholds of the alarm outputs 61 71 X X X X X X X Access code 50 X X X X X X X X X Serial number 200 X X X X X X X X X The user levels 1 and 3 are reserved user levels at which access to the higher numbered user level is active The parameterised user level PN52 is active as long as the locking code PN51 and t...

Page 17: ...ts PN60 to PN75 The behaviour of the switching points can be influenced via various program numbers The data refer to the scaled measurement and are updated with the set measuring time A description of the various parameters is given in Section 5 6 Relay 7 1 12 Linearisation PN100 to PN110 Through linearisation the user has the possibility to linearise a non linear sensor signal A detailed descrip...

Page 18: ... 999 9999 0 2 10 Zero point suppression 0 999 0 2 General settings 13 Display time 0 1 10 0 1 0 2 14 Measuring time 0 01 10 0 1 0 2 Security settings 50 Programming lock 0000 9999 0000 8 51 Access code 0000 9999 0000 0 52 User level 1 8 8 0 Threshold behaviour of LED display 54 Actuator via zero key 0 deactivated 1 TARA 2 Offset shift 3 HOLD 0 2 59 Display flashing approx 0 5 seconds No flashing F...

Page 19: ...ctivated 1 4 71 Threshold 999 9999 1000 6 72 Hysterisis 1 9999 1 5 73 Active below above threshold value 0 active below 1 active above 1 4 74 Switch delay in seconds 0 1000 seconds 1 4 75 Delay type 0 none 1 switch on delay 2 switch off delay 3 switch on off delay 0 4 Linearisation 100 Number of additional setpoints 0 10 0 2 101 130 Setpoints 1 30 999 9999 2 Information 200 Serial number 0 9999 0 ...

Page 20: ...ut Measuring range RI approx Measuring error MR Digit Measuring range 0 10 V 150 kΩ 0 1 1 Input resistance 0 5 V 150 kΩ 0 1 1 Measuring error 0 20 mA 100 Ω 0 1 1 at measuring time 1 second 4 20 mA 100 Ω 0 1 1 Temperature drift all measuring inputs 50 ppm K Measuring time Display time 0 1 to 10 0 seconds Measuring principle Voltage Frequency converter Resolution approx 20 bit at 1 sec measuring tim...

Page 21: ...ry Parameter memory EEPROM Data life 20 years Ambient conditions Working temperature 0 60 C Storing temperature 20 80 C Climatic density rel humidity 75 on years average without dew EMV DIN 61326 CE sign Conformity to 89 336 EWG Safety standard DIN 61010 ...

Page 22: ...rs for parameterising the input are not available The program lock is set to a user level that does not permit access V Err1 lights up in the 7 segment display This error can only be eliminated by the manufacturer 10 2 Reset on default values To return the unit to a defined basic state a reset can be carried out to the default values The following procedure should be used I Switch off the power su...

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