Manual - Montwill
Contents
1. Channel 1 100 Channel 2 Overflow Channel 1 100 Channel 2 Underflow Channel 1 100 Channel 2 Underflow Channel 1 100 Channel 2 Underflow x x Overflow Underflow Overflow horizontal bars are displayed on the top of the display Underflow horizontal bars are displayed at the bottom of the display 12 6 Operation and function description 6 2 Alarms Relays An active relay or an activated switching point is indicated by a flashing of the relevant switching point LED which you find directly next to the 7 segment display Working principle Operating current quiescent current Switch on delay Time between reaching the threshold and the resultant switching on of the relay Swith off delay Time between reaching the threshold and the resultant switching off of the relay 13 Setpoint Threshold Off Display Hysteresis Setpoint Threshold Display Hysteresis Input 10 Threshold 0 Time s 5 Alarm swith on delay 10 s On Off Time s 14 6 Operation and function description Operating current Relays S1 S4 are off below the threshold and on on reaching the threshold Quiescent current Relays S1 S4 are on below the threshold and switched off on reaching the threshold Swith on delay The relay S1 S4 is on 10 seconds after reaching the threshold briefly exceeding the threshold does not lead to the relay being switched on The switch off delay functions in2. Switching delay 0 0 10 0 seconds oo o Je 65 Type of delay 0 none 1 1 Switching on delay 2 Switching off delay 3 Switching on off delay Switching point 2 Reference value for switching point 2 0 none 1 1 channel 1 2 channel 2 3 arithmetic function Threshold 9999 99999 1000 es 73 Type of operation 0 Quiescent current 1 Quiescent current Operating current 1 Operating current Switching delay 0 0 10 0 seconds foo 75 Type of delay 0 none 1 1 Switching on delay 2 Switching off delay 3 Switching on off delay Switching point 3 Reference value for switching point 3 0 none 1 channel 1 2 channel 2 3 arithmetic function Threshold 9999 99999 1 3 Type of operation 0 Quiescent current Quiescent current Operating current 1 Operating current 4 Switching delay 0 0 10 0 seconds 85 Type of delay 0 none 1 Switching on delay 2 Switching off delay 3 Switching on off delay 29 8 8 9 Reset to default values Range of value Default User level Switching point 4 Reference value for switching point 4 0 none 1 1 channel 1 2 channel 2 3 arithmetic function Threshold 9999 99999 1000 je Type of operation 0 Quiescent current 1 Quiescent current Operating current 1 Operating current Switching delay 0 0 10 0 seconds Type of delay 0 none 1 1 Switching on delay 2 Switching off delay 3 Switching on
3. contact load 5 10 mechanically Separation as per DIN EN 50178 characteristic data as per DIN EN 60255 Analog output 0 4 20 mA load lt 500 Q 0 10 VDC load gt 10 KQ 16 bit Error 0 1 in the range TU 20 40 C beyond 50 ppm K Sensor supply galv isolated 24 VDC 50 mA Interface manufacturer specific ASCII RS232 9600 Baud no parity 8 databits 1 stopbit ASCII protocol optional a isolated Lead Lead length max max 3m m RS485 galv isolated 9600 Baud no parity 8 databits 1 stopbit ASCII protocol Lead length max 1000 m Power Pack Supply voltage 100 240 VAC 50 60 Hz DC 10 max 15 VA 10 40 VDC galv isolated 18 30 VAC 50 60 Hz max 15 VA Data life gt 100 years at 25 C Ambient conditions Working temperature 0 50 C Storing temperature 20 80 C Climatic density rel humidity lt 75 on years average without dew conformity to directive 2004 108 EG Safety standard according to low voltage directive 2006 95 EG EN 61010 EN 60664 1 3 Safety advices 3 Safety advices Please read the users guide and chapter 4 before installation and keep it for future reference Proper use The PZ5 is designed for the evaluation and presentation of transmitter signals standard signals With the set points it is possible to perform simple control tasks Caution Careless use or improper operation can result in personal injury and or damage of the equipment Control o
4. then the display changes back to the parameterised display arithmetic Ar This operation is confirmed by showing Ar in the display To recall all channels the A or V key needs to be detached in the meantime 11 6 Operation and function description Overflow Underflow of the arthmetic result During the channel calculation the comma PN18 is included in the calculation as decimal point Each overflow or underflow of a channel leads in the calculation to a defined display This defined setting ensures that the corresponding setpoints go into a defined state Formula omme Ghat res Channel 1 Channel 2 Constant Channel 1 Channel 2 Constant Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Overflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Underflow Channel 1 Channel 2 Constant Underflow K K alala lalasa OY lt mmm mm mm es ea ee ja Ir Jw dJwm J He He I WH w J wm
5. 7 rniaivaveroret 660 0000 ito ida_ i a _ commaseting 00000 00000 ome 2 __ o otwetaanecenen 660 0000 oo e General settings Default display channel 1 Channel 1 3 2 2 Channel 2 3 Arithmetic function Channel switch over via digital input 0 none A V key zero key or automatically 1 static change of display to channel 1 2 static change of display to channel 2 3 static change of display to arithmetic function 4 keyed change of display 5 5 s change over cycle 6 10 s change over cycle 7 20 s change over cycle Display time pO 1 1008 Os 14 Measuring time Se 04 10 00 s two channels 0 02 10 00 s one channel Arithmetic function only with 2 1 K1 Konst input channels 2 K2 Konst K1 Channel 1 3 K 1 K 2 Konst K2 Channel 2 4 K1 K 2 Konst Konst Constant PN16 PN17 5 K 1 K 2 Konst an K 1 K 2 Konst K 1 100 K 2 27 8 Program number description Default User level Decimal places of the calculation 00000 0 0000 ae 2 0 9 O bright 9 dark a 2 Display brightness Analog output Final value for analog output Option 9999 99999 10000 Offset value for analog output Option 9999 99999 oe 2 3 22 Reference value for analog output 0 none 3 2 1 Ch1 2 Ch2 3 arithmetic function Interface Switching of the interface behaviour C Progrmming lock Programming lock 0000 9999 0000 ree o 0 0 10 VD
6. PN23 determines the output signal whether 0 20 mA 4 20 mA or 0 10 VDC are possible 24 8 Program number description Interface behaviour PN34 The current display value can be sent via the optional interface In standard operation PN34 0 the display stays passive and expects data from the Bus This operation is suitable for the configuration of the device At slowly processes the current measuring value can be recalled actively via command During sending mode PN34 1 the current measuring value is sent actively by the device in the cycle of the measuring time Further information can be found in Chapter 7 Operation mode Security settings User level PN50 to PN52 The access to the program numbers is controlled by the security settings The user has only access to settings that were allowed by the plant operator like e g the adjustment of the alarm thresholds The smaller the numerical value of the under PN52 preset user level the larger is the grade of the saving of the device parameter from user interventions ae co ETT Ae Ba Interface parameter Option 32 34 Analog output parameter Option 20 22 es aia anna ee baste rT vance xt userioet e incl JDE The user level 1 3 and 5 are reserved With rising userlevel the number of for the user unlocked parameters decreases according to the above shown table The user level adjusted under PN52 is activated as long as the programming lock PN50 differs wit
7. display mode MIN MAX memory The measured minimum and maximum values are saved in a volatile memory in the unit and get lost when the unit is switched off Call up the contents of the memory by pushing less than 1 second the A or Y key The relevant value is indicated for approx 7 seconds By briefly pressing the same key again one will return immediately to the display mode 4 gt Display of maximum value VY gt Display minimum value Erase the value shown in the display by simultaneously operating the A and V keys The erasure is acknowledged by horizontal bars The content of the memory will be lost with switching off of the device Display switch over between two input channels For the PZ5 device it is possible to switch temporarily between the different channels via keypad Push the W or A key for longer then 1 second this leads to a switch over to the next channel The channels can be run through forwards with A key or backwards with W key Display Channel 1 Ch1 Channel 2 Ch2 Arithmetic Ar Channel 1 Chi and soon Example Under program number PN15 gt 3 the calculation Ar is parameterised as a permantent display The input value for channel 1 shall be displayed Push the A key for at least one second The PZ5 device acknowledges the change to channel 1 by shortly displaying Ch1 thereupon stop pushing the key The input value of channel 1 is shown for approx 7 seconds in the display
8. signals of channel 1 and channel 2 and then multiplied by a constant Example 100 0 40 00 20 50 0 This function can be used to display mixing ratios etc Percent Channel 1 100 Channel 2 With this function the scaled signal from channel 1 is multiplied by 100 and then divided by the scaled signal from channel 2 Example 100 0 100 40 00 250 0 This function can be used to display a percentage ratio 8 Program number description The PZ5 device has a default configuration ex factory where sensor signals are changed into a display value of 0 10000 At reset on default values should be done for devices where their preconfiguration is not known see chapter 9 Otherwise different adjustments can cause an unwished behaviour of the device These devices are equipped with a digital input by which functions like e g HOLD TARA MIN MAX can be actuated 22 8 Program number description Measuring input PNO PN5 For basic configuration of the device parametrise the suitable measuring input under PNO PN5 Possible input types are listet in the program number table Chapter 8 1 To assign characteristic lines into another device use the settings 4 5 or 6 under PNO PN5 Under this parameter supporting points are deposited as standardized values Current voltage and can be assigned by an optional interface into further devices Scaling of PN1 PN6 and PN2 PN7 PN1 PN6 and PN2 PN7 are used for the scaling of th
9. standard signals optionally 0 10 V 0 20 mA or 4 20 mA can be connected Different signals can be collected for input signals e g channel 1 collects voltage and channel 2 collects current For each channel an arbitrarily measuring range can be set The offset displacement can be adjusted for each channel with PN4 and PN9 Thus an irregularity of the accuracy or drifts of sensors can be balanced Two channel measurement with calculation The measurement happens in an alternating process during this process it will be switched between the set measuring time and the two input channels The time of the particular indivdual measurement depends on the parametrised measuring time Afterwards the two ascertained values will be allocated in accordance to the in PN15 selected function and the result will be displayed The arithmetic functions of the device are based on a floating point arithmetic and include the parameterised comma in the calculation Single channel measurement A single channel measurement is done if one of the measuring channels was selected as display value via the PN15 In this case only the selected channel will be measured and displayed That way the measuring time PN14 can be set on a smaller value 100 ms If 200 ms was adjusted by a two channel measurement then this value will not be changed If the PZ5 is parameterised on a one channel measurement then the access to the program numbers of the deactivated channe
10. 5 Under this function the calculation type of the channels is set The different functions can be seen in the program number table Chapter 8 1 The arithmetic function is completely calculated in floating point arithmetic Thereto the scaled measuring values of both input channels are calculated and processed in floating point arithmetic too According to this the resolution of the single channels can be clearly higher than the display value For the calculation a bit mantissa and a 8 bit exponent are used For this reason the adjusted comma PN3 PN8 PN17 PN18 need to be included at the calculation CAUTION The outputs work only with the display value and reach especially at the optional analog output only its resolution Analog output PN20 PN21 PN22 and PN23 The parameter of the optional analog output apply to the scale of the device and are cyclical updated with the measuring time Via PN22 0 the analog output can be deactivated whereas it remains on its initial value after a restart of the device The Analog output can be related to all other possible values that are collected in the device For further information please see Chapter 7 or the program number table in Chapter 8 7 Initial value and final value are always displayed without comma This is always based in the depiction of the measuring value in the display this means at a depiction of e g 6 400 the final value can be parameterised by 6400 to this display value
11. User manual for PZ5 devices Digital processor controlled arithmetic panel meter Two voltage current inputs x Int In2 K x Int In2 K x Int In2 K x Int In2 K x Int 100 In2 K Technical features e red 5 digit display 9999 99999 e min max value recording e 30 points linearisation per channel permanent cable breakage monitoring e optical switching point display e Hold function Tara function via keypad or digital input e configurable channel switching PZ5X1DDGB pdf update 20 11 2015 96x48 Contents Contents 1 D Or e oN Identification Technical data Safety advices Assembly Electrical connection Operation and function description 6 1 Operation 6 2 Alarms Relay 6 3 Analog output 6 4 Digital input Zero key 6 4 1 Hold Function 6 4 2 Tara Function 6 4 3 Configurable channel switching 6 5 Interface RS232 RS485 Programming Program number description 8 1 Program number table Reset to default values Error elimination O a Ww N 10 13 15 15 15 16 16 16 17 22 26 30 31 1 Identification STANDARD TYPES ORDER NUMBER 1 Identification Supply 100 240 VAC 50 60 Hz DC 10 PZ5 0301 1S70D Supply 10 40 VDC galv isolated 18 30 VAC 50 60 Hz PZ5 0301 1W70D Options decoding of the ordering code Standard device type Two standard signal inputs Number of digits 5 digit a RS232 galv isolated RS485 galv isolated B8 t
12. a similar manner in other words it keeps the relay switched on until the parameterised time has elapsed 6 Operation and function description Allocation of the alarms to a certain actuate value As it is not always desired that alarms follow the operating mode the outputs can be assigned to the minimal maximal value or any other value Therefor the adjustable value range is assigned to the according program number PN60 PN70 PN80 and PN90 Mode Actuate value aooo Channel 1 4 Channel 2 Arithmetic function Optical response flashing display If one or some thresholds are broken the flashing of the alarm LED can amplify the optical response by assignment of the threshold PN59 to the 7 segment display Example The threshold for flashing of the display is set at alarm 2 If alarm 1 is exceeded and alarm 2 is not the alarm LED 1 lights up permanently If alarm 2 exceeds the threshold the 7 segment display will start to flash alarm 1 will light up permanently and alarm LED 2 will flash The flashing enhances the optical response and the operator sees immediately that an important threshold has been exceeded with this unit 6 3 Analogue output The optional analogue output is used for the transduction of a measuring value supported by a standard signal of 0 10 V or 0 4 20 mA The analogue output is paramerterised via the two program numbers PN20 final value fullscale and PN21 initial value Offset At the initi
13. al value the value is set at which the analogue output transmits the minimal value 0 V or 0 4 mA and at the final value the value at which the output transmits its maximum 10 V or 20 mA By this means it is possible to rescale the input signal of a transducer or even to convert it into another standard signal The analogue output can be set on channel 1 channel 2 or the arithmetic value via the actuate value PN22 The analogue output is updated within the cycle of the measuring time At a high measuring rate smaller cycle fluctuations of some milli seconds are possible 6 4 Digital input Zero key In combination with the digital input via terminal and or the zero key at the front functions like e g HOLD TARA or a channel switch over can be actuated The digital input is available in combination with the option sensor supply or via an external 24 VDC signal The zero key at the front of the device can be activated by keypress 6 4 1 HOLD function The HOLD function is a static or keyed signal and is activated via the digital input or the zero key It always takes effect on the reference value that is allocated in the display With activated HOLD the lastly given measuring value remains and is by deactivation permanently overwritten by the measuring value recording With this function a test state can be recorded beyond a specific period so that this device can be used for control in run production too Advice HOLD value gets los
14. arithmetic result produces an overflow see Overflow Underflow page 14 The unit permanently shows e The input has a very low measurement check the underflow measuring circuit e With a selected input with a low voltage signal it is only connected on one side or the input is open e Not all of the activated supporting points are parameterised Check if the relevant parameter PN1 PN5 PN2 PN6 PN100 PN140 PN130 PN170 are adjusted correctly e The arithmetic result produces an underflow see Overflow Underflow page 14 The word HELP lights up in the e The unit has found an error in the configuration memory 7 segment display Perform a reset on the default values and reconfigure the unit according to your application The display values change in very During division the measuring value of the divisor is very rough jumps small check the measuring circuit Program numbers for input e The programming lock is set on an user level which does parametrisation are not available not allow the access A different sensor type has been parametrised under PN1 PN5 so the desired program number can not be parametrised ERRI lights up in the 7 segment e Please contact the manufacturer if errors of this kind occur display 7 The addressed digital input does e Measure the current of the digital input with a multimeter It not react should be between 1 mA and 3 mA Program numbers for the analog e The analog output is an opt
15. by changing the value under PN4 from 0 to 3 This parameter can be changed directly by taring if it was acutated by the zero key or the digital input Default display channel PN10 The PZ5 can be parameterised and displayed on any display channel independent of the calculation If the arithmetic function PN15 0 is deactivated the channel value is set on zero Configurable channel switch over PN11 This program number enables the user to see all measuring values of the channel and the arithmetic function during standard operation Therefor all different types of operation like e g a static keyed or automatic display change are supported by the device Bevor each change of the channel the device shows the name of the channel in the display For channel 1 it displays Ch1 and for channel 2 it displays Ch2 For the arithmetic function it displays Ar if it was activated by PN15 gt 0 The static and keyed channel switch over can be triggered via the digital input or the fourth key The selection is done via program numbers PN53 and PN54 At the static channel switch over it is changed as long on the via PN11 selected channel PN11 1 3 as the related digital input or the zero key is deactivated again 23 8 Program number description At the keyed channel switch over it is changed in the order Ch1 Ch2 and optional Ar at each actuation of the defined activator During the time controlled automati
16. c 1 0 20 mA 2 4 20 mA Signal selection 0 Standard operation 1 Sending operation f S o o Function ortne specialinpite OSS Function of the special inputs Function of the digital input Function of the 4th key TARA Function HOLD Function Threshold behaviour of the LED display Display flashing approx 0 5 seconds No flashing Flashing at swicthing point 1 Flashing at swicthing point 2 Flashing at swicthing point 3 Flashing at swicthing point 4 Flashing at swicthing point 1 amp 2 Flashing at swicthing point 3 amp 4 Flashing at swicthing point 1 2 3 amp 4 0 no function 1 change of display 2 Hold function 3 Tara 0 no function 1 change of display 2 Hold function 3 Tara 0 no Tara function 1 Tara function on channel 1 2 Tara function on channel 2 3 Tara function on Ch 1 amp Ch 2 0 no Hold 1 keyed Hold 2 static Hold ae P P ae 0 not flashing 1 flashing at 1 2 flashing at 2 3 flashing at 3 4 flashing at 4 5 flashing at 1 amp 2 6 flashing at 3 amp 4 7 flashing at 1 2 3 amp 4 28 8 Program number description Range of value Default User level Switching point 1 Reference value for switching point 1 0 none 1 1 channel 1 2 channel 2 3 arithmetic function Threshold 9999 99999 1000 eo 63 Type of operation 0 Quiescent current 1 Quiescent current Operating current 1 Operating current
17. c channel switch over the display switches from one channel to the next following one during the preset time cycle Ch1 Ch2 optional Ar If the arithmetic function is deactivated PN15 0 the display only changes between the two display values of channel 1 and channel 2 Even at activated display change MIN MAX values of the currently active display channel can be recalled via A amp V keys The channel switch over is delayed by the MIN MAX display time Display time PN13 Under display time the time is set that shall pass between the update of the display The longer the time between two display cycles the optically calmer seems the display whereas a display time of 1 second is found very pleasant Measuring time PN14 The device always executes a two channel measurement For a measuring interval adjustable via PN14 it is switched to and for severable times between the input channels and by the individual measurements per channel a simple arithmetic average detemination is used The conversion time of the integrated AD converter is aligned dynamically to the measuring time Set measuring time s lt 0 5 lt 0 8 gt 0 8 Conversion time ms approx 30 approx 60 approx 120 approx 180 The AD converter is equipped with a digital filter function which suppresses very effectively a possible mains hum 50 Hz To use this function a measuring time from more than 0 5 seconds should be selected Arithmetic Function PN1
18. combination with digital input and sensor supply voltage supply 230 VAC Analog Sensor Auxiliary Input 1 Input 1 output supply voltage Digital gt a 100 240 VAC 6 Operation and function description 6 Operation and function description 6 1 Operation 1 7 Segment display 2 Switching point display 1 4 3 Zero key 4 Gap for physical unit 5 Plus key 6 Minus key 7 Programm key Switching point displays 2 Optical threshold message 4 LED red Keys 7 5 6 and 3 Programming mode Increase of value range Decrease of value range vy Address Next lower program number A Address Next higher program number Activation of TARA or HOLD Reset for Min Max permanent Dimension gap 4 for physical unit Variable dimension strip Dimension on demand e g kg m 10 6 Operation and function description Switching on Before switching on check all the electrical connections to make sure they are correct On completion of the installation the device can be switched on by applying the supply voltage Starting sequence During the switching on process a segment test is performed for approx 1 second whereby all LED on the front including setpoint LED are triggered After this the type of software is indicated for approx 1 second and then also for 1 second the software version After the starting procedure the unit changes to operation mode
19. e device with these two parameter final value PN1 PN6 and zero point PN2 PN7 are parameterised For each supporting point there is a 5CALE value and an NPu7 value The SfAl value indicates the desired display value By use of the iNPUT value the related measuring signal is set At factory calibration the desired current or voltage value is preset If sensor calibration is desired a measurement is actuacted by shortly pushing the P key Before the stored current or voltage value is displayed All inputs need to be confirmed by pushing the P key for approx 1 second the device confirms this by showing 5 horizontal bars Position after decimal point PN3 PN8 By changing this parameter the position of the comma in the display is changed Offset translation Zero point translation PN4 PN9 With this parameter it is possible to do a parallel translation of the parameterised characteristic line This can be neccessary if e g a pressure sensor seasons by and by and thus causes a zero point translation With corresponding parameterisation the sensor can be adjusted on the zero point again During offset translation the original characteristic line can be programmed by the user with help of PN1 PN2 or PN101 130 or it can be the characteristic line of a temperature sensor The value parameterised under PN4 is added to the original display value If e g a temperature sensor shows 0 C instead of 3 C these irregularities can be compensated
20. e unit changes to standard mode To change back to transmission mode the display must be restarted either by entering the command S 4 or by switching the device off and on With the transmission mode the display value is transmitted via the interface in ASCII format Minus signs and decimal points are also transmitted so that the output can be displayed directly on a terminal or processed by a SPS Zeros at the front are suppressed during transmission With an over or underflow the display transmits horizontal bars hyphens J Examples 0 00 J 9 99 J 999 99 J 123 45 J With the aid of this simple protocol structure the display data can be transferred very easily to a PC etc and further processed there In the simplest case a terminal program from the operating system is sufficient to store the received data in a file Configuration of the device via interface For configuration the set up tool PM Tool can be used As the communication is a straight point to point connection The baud rate is set to 9600 baud with 8 databits without parity and one stopbit Configuration is performed by transmitting ASCII symbols 16 7 Programming 7 Programming Functional diagram of programming via key pad Call for program mode Device switches on the lowermost approved P program number Change to the next program number Program number is displayed P a o Y Change read the depo
21. er After changing to the parameter the lowest digit of the respective parameter flashes on the display The value can be changed with the A or V key To move to the next digit the P key must be briefly pushed Once the highest digit has been set and confirmed with P the lowest digit will begin to flash again 1 ot The 0 is flashing This is the lowest digit and the device asks if a change is desired Let us assume the figure has to P A v be changed from 75 640 to 75 000 Briefly push the P key to move to the next digit The 4 me 7 m m begins to flash Change the figure by pushing A or Y to I f I f I I change the digit from 4 to 0 Briefly push the P key to ae ee ee a move on to the next digit The 6 begins to flash Change the P A v digit by pushing A or Y to move the 6 to a 0 Briefly push the P key to move to the next digit The 5 and 7 do not need to be changed A dl ee Example Saving of parameters All parameters must be acknowledged by the user by pushing the P key for one second The changed parameters are then taken over as the current operating parameters and saved in the EEPROM This is confirmed by horizontal bars lighting up in the display All the newly entered data are confirmed by the unit If no confirmation is received the relevant parameters have not been saved e g confirmation of parameters P a v Changing from programming to operati
22. f the device The panel meters are checked before dispatch and sent out in perfect condition Should there be any visible damage we recommend close examination of the packaging Please inform the supplier immediately of any damage Installation The PZ5 must be installed by a suitably qualified specialist e g with a qualification in industrial electronics 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 e The fuse rating of the supply voltage should not exceed a value of 6A N B fuse e Do not install inductive consumers relays solenoid valves etc near the device and suppress any interference with the aid of RC spark extinguishing combinations or free wheeling diodes e Keep input output and supply lines separate from one another and do not lay them parallel with each other Position go and return lines next to one another Where possible use twisted pair This way the best measuring results will be received e Screen off and twist sensor lines Do not lay current carrying lines in the vicinity Connect the screening on one side on a suitable potential equaliser normally signal ground e The device is not suitable for installation in areas where there is a risk of explosion e Any electrical connection deviating from the connection diagram can endanger human life and or can destroy the equipme
23. h the activation code PN51 on a value basis For dispatch of the PZ5 both parameter are set to the values 0000 by what the programming lock is deactivated To activate the adjusted user level a 4 digit number needs to be entered as activation code under PN51 It needs to be confirmed by pushing the P key for approx 1 second During the change into program mode the device switches to the first program number that is available If user level PN52 3 is parameterised e g the access to the program numbers of the alarms is approved a change of the measuring input PNO is not possible for this setting To receive the access to all program numbers PN52 0 the programming lock under PN50 and the under PN51 stored 4 digit activation code need to be entered again and to be acknowledged by pushing the P key for approx 1 second After this the access to all program numbers is free Caution If the locking code got lost the device can be reset to the default value 0000 by the manufacturer without any data loss 25 8 Program number description Digital input and or zero key PN53 PN54 The digital input and the zero key can freely be related to additional functions Change of display HOLD TARA Only by combination of activation and one additional function with activation of the related activator the extended functionality can be used Taring PN55 During taring the instantaneous value of the selected channels is set on zero and the diffe
24. ion of this device type If it is output PN20 PN22 are not not assembled then the program numbers are not shown accessible The device does not react as If you are not sure if the device has been parametrised expected before then follow the steps as written in the next chapter and set it back to its delivery status PZ5X1DGB update 20 11 2015 31
25. ki e 0 10 V 0 20 mA 4 20 mA Internal Index Version D Switching points 10 no switching point 2 relay outputs 4 relay outputs Mechanical options IP65 foil keypad plug in terminal Voltage supply 100 240 VAC 10 40 VDC Housing size 96x48 mm Measuring input 4 o 10 voc 0 4 20 ma Dimension signs on demand please state with order e g m min 2 Technical data 2 Technical data F899 i Gur ncadig gn terminal Protection class standard IP65 Front IPOO Back side Weight approx 350 g Connection Screw clamp plug in terminal line cross section up to 2 5 mm Display Digit height Segment colour 14mm a e 9999 to 99999 1 LED per switching point Range of display Switching points Overflow Underflow Display time horizontal bars at the top horizontal bars at the bottom 0 1 to 10 seconds Measuring range 0 10 V and 0 4 20 mA Input resistance 0 10 V R 150 kQ 0 4 20mA R 500 Measuring error 0 02 of measuring range 1 Digit T 20 40 C at measuring time 1 sec Temperature drift all measuring inputs 50 ppm K at TU lt 20 C bzw gt 40 C Measuring time 1 channel 0 02 10 00 seconds 2 channels 0 04 10 00 seconds Measuring principle Sigma Delta Digital input lt 2 4 V OFF gt 19 V ON max 30 VDC Ri 5 kO 2 Technical data Relay Switch over contact 230 VAC 5 A 30 VDC 2 A at ohm resistive load Switching cycles 0 5 105 at max
26. l 1 10 24 10 40 VDC 0 4 20 mA VDC Channel 1 Gnd Channel 2 0 10 V Channel 2 0 4 20 mA Channel 2 Gnd Option Relay outputs Option Interface RS232 RS485 5 Electrical connection Interface connection The lines for the RS232 interface must be connected 1 1 TxD to TxD and RxD to RxD RS232 PC RxD or pa sps GND Connection pattern PC or SPS lt PZ5 The interface RS485 is connected via a screened data line with twisted wires Twisted Pair A termination of the bus wire must be connected at the end of each bus segments This is neccessary to guarantee a save data transfer on the bus Therefor a resistance 120 Ohm is inserted between the wires Data B and Data A Caution The potential reference can lead to a compensating current interface lt gt measuring input with a non galvanic isolated interface and can thus affect the measuring signals 5 Electrical connection Connection examples This section gives a few examples of practical connections Other connection options can be combined from the various examples Co channel measurement with current signals supply 100 240 VAC Auxiliary 5 Analog Sensor A voltage output supply 100 240 VAC Co channel measurement with voltage signals supply 10 40 VDC Analog Sensor Auxiliary Input 1 Input 1 output supply voltage Digital s a 10 40 VDC One channel measurement with current signal in
27. ls is not possible 21 8 Program number description The channel on which no measurement is done and the arithmetic result receive the measuring display value 0 Zero Thereby supporting points or the analog output which are parameterised on these channels are shifted to a defined state Arithmetic functions With the PZ5 the measured values can be allocated with each other by different mathematical functions For the following examples the values of the channels and the constants are defined as follows Channel 1 100 0 Channel 2 40 00 Constant 20 Display XXXX X Addition Channel 1 Channel 2 Constant With this function the two scale signals are added and subsequently multiplied by a constant Example 100 0 40 00 20 2800 0 This function can be used to display inflow outflow volumes weighing technology etc Subtraction Channel 1 Channel 2 Constant With this function the difference from channel 2 to channel 1 is multiplied by a constant Example 100 0 40 00 20 800 0 This function can be used to display differences etc Multiplication Channel 1 Channel 2 Constant With this function the two scaled signals are multiplied with each other and then multiplied by a constant Example 100 0 40 00 20 80000 0 This function can be used to display power energy etc Ratio Channel 1 Channel 2 Constant With this function the ratio is formed between the scaled
28. n the form of not receiving a memory Our example shows the linearisation of a pressure transducer for 0 100 mbar with an output of 0 20 mA and a nonlinear range between 0 75 mbar The display value is calculated from the known characteristic line of the transducer or determined empirically This means at a pressure of 15 mbar the transducer supplies 3 3 mA instead of the optimum value of 3 0 ma As 20 mA corresponds with a presentation of 100 0 3 3 mA corresponds with 16 5 bevor correction To make this correction enter 15 0 under supporting point PN101 point PN mbar transducer mA correction IN OUT CE Cs Ce Ce Ce ma fo a foo foo 20 7 Programming Display 100 90 80 70 60 50 40 i Display with correction 30 p 7 Display without correction e Calibration point Pressure mbar 10 20 30 40 50 60 70 80 90 100 110 Approach to factory calibration PNO PN5 gt 0 During adjusted factory calibration a linearisation can be preset without applying to the sensor signal Here the desired number of channel supporting points needs to be entered under PN100 PN140 in order to allocate display values to a defined measuring signal Starting on supporting point PN101 the display value Scale and subsequent the corresponding measuring signal Input need to be programmed Both actions are stored by pushing the P key for approx 1 second Input channels and Offset The PZ5 device has two input channels where
29. ng mode If no key is pushed in the programming mode for about 7 seconds the unit will return automatically to operating mode Before SAVE will be displayed untill the next measuring value is displayed Two measuring inputs with arithmetic function The PZ5 is provided with two standard inputs which can be allocated via different types of arithmetic functions The inputs need to be configurated so the device works according to the signal that was generated by the sensor The adjustment of the parameter that form the basis is done under PNO and PN5 Setting Calibration of the measuring input All devices are calibrated in the factory whereby zero point and final value have been saved for the various measuring ranges Via terminal connections and the choice of the measuring input under PNO different types of input signals can be worked up Factory calibration current voltage under PNO PN5 1 3 For these parameters scaled display values can be allocated to defined input values For the adjusted measuring range the final value and the zero point need to be parameterised For parameterisation no sensor signal has to be applied because stored values are used To display a sensor signal of 4 20 mA for example PNO PN5 3 has to be parameterised 19 7 Programming Sensor calibration PNO PN5 4 6 During sensor calibration the device is calibrated directly at the measuring section via the sensor signal or a calibrator Therefo
30. nt e Do not install several devices immediately above one another or in an extremely thermal isolated housing Due to the internal heat dissipation of the decives the recommended ambient temperature can be excessed e The terminal area of the device is part of the service Here electrostatic discharge needs to be avoided Attention High voltages can cause dangerous body currents e Galvanic isolated potentials within one complex need to be placed on an appropriate point normally earth or machines ground So a lower disturbance sensibility against impacted energy can be reached and dangerous potentials that can occur on long lines or due to faulty wiring can be avoided 4 Assembly 4 Assembly Please read the Safety advices on page 5 before installation and keep this user manual for future reference Dimensionsfeld 1 After removing the fixing elements insert the device 2 Check the seal to make sure it fits securely 3 Click the fixing elements back into place and tighten the clamping screws by hand Then use a screwdriver to tighten them another half a turn CAUTION The torque should not exceed 0 1 Nm The dimension symbols can be exchanged before installation via a channel on the side 5 Electrical connection 5 Electrical connection Option Type PZ5 Analog Sensor output supply WADED oOOoOOoOo Charme w EY fe 0 10 V 0 4 20 mA 0 10 VDC Digital 100 240 VAC input or Channe
31. off delay Linearisation 100 Numer of adiional spporing pomis chanel o 30 o e 01180 Supporting pomis 1 30 channel o9 0008 J2 iad Nomber of adiional spporing channel 0 20 fo Me iaro Supporting pois 1 a0ehennel2 o0 00000 J2 Information 91 92 93 94 5 9 9 Reset to 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 e Switch off the power supply e Press P button e Switch on the power supply and press P for approx further 2 seconds With reset the default values of the program table are loaded and used for subsequent operation This puts the unit back to the state in which it was supplied Caution This is only possible when the programming lock PN50 allows access to all PNs or HELP is shown in the display All application related data are lost 30 10 Error elimination 10 Error elimination The following list gives the recommended procedure for dealing with faults and locating their possible cause 1 The unit permanently indicates e The input has a very high measurement check the overflow measuring circuit e With a selected input with a low voltage signal it is only connected on one side or the input is open e Not all of the activated supporting points are parameterised Check if the relevant parameter PN1 PN5 PN2 PN6 PN100 PN140 PN130 PN170 are adjusted correctly The
32. pdated by the set measuring time If the optional relays are included in the display then they are connected parallely to the alarms More details about the different parameter are described in Chapter 6 2 Alarms Relays Linearisation PN100 to PN130 and PN140 to PN170 By linearisation the user has the possibility to linearise a nonlinear sensor signal A detailed description can be found in Chapter 8 Linearisation PN100 0 Serial number PN200 Here the 5 digit serial number can be recalled it describes an allocation to production process and production flow 8 1 Program number table The following program number table contains all program numbers PN including function range of value default values and user level Channel 1 Measuring input Sensor calibration 10 V Factory calibration 20 mA Factory calibration 20 mA Factory calibration 10 V Sensor calibration 20 mA Sensor calibration 20 mA Sensorkalibration 26 8 Program number description Range of value Default User level FinaiveneT Fuses __ _ _ dt seem eames SSCS d de 2 ineveneronset i L 3 comme stig oooo0 co000 rene e a onset placement oes oo o Channel 2 Measuring input ibrati 10 V Factory calibration 20 mA Factory calibration 20 mA Factory calibration 10 V Sensor calibration 20 mA Sensor calibration 20 mA Sensor calibration _ Fraivane Futscwe eooo ooo
33. r the measuring signal of the supporting point needs to be connected to the input of the device Under PN1 final value and PN2 zero point the related display value SCALE and the related sensor signal INPUT needs to be stored The sensor signal is measured by the factory parameter and displayed as current or voltage A measurement needs to be started by shortly pushing the P key By this process with 2 supporting points the device is aligned at the measuring section For further adjustments to the characteristic line of the sensors a linearisation can be activated Linearisation PN100 PN140 The PZ5 offers the possibility to linearize with up to 30 additional supporting points non linear sensors for the display of the measuring values and their subsequent processing analog output The number of the desired supporting points is determined under PN100 PN140 Be aware of chosing the right one as it can lead to a malfunction of the device in case of no adjustment Approach to sensor calibration for e g channel 1 To program e g 5 supporting points 5 needs to be entered under PN100 Subsequently for each of the calibration points the measured variable must be applied to the unit and the respective display value needs to be parameterised under program numbers PN101 PN105 The sensor signal needs to be parameterised strictly increasing A distance from at least 1 digit to the previous display value should be kept If not a rejection i
34. rence to the actual value is stored in program number PN4 respectively PNY The taring function can be actuated via the digital input or the zero key and needs to stay activated for at least 3 seconds The device reports the taring process by showing 80000 in the display The offset displacement is only related to the resolution of the display value The taring can be undone by programming program number PN4 or PN9 to the value zero HOLD Function PN56 Here the current display value is recorded An update of the device with a new measuring value is not happening any more To display this state the display flashes with the kept display value This function can be activated keyed or static During keyed mode it is kept until the next activation this is done by shortly and uniquely activating the actuator which can be the digital input or the 4th key During static HOLD the actuator needs to stay active for the whole length of time of the HOLD function The HOLD function and the display flashing to threshold values PN12 use both the flashing of the display value Both differ in the flashing frequency which is clearly higher for the display flashing on treshold values For a better differentiation and to aviod a mix up one should surrendor of one of both function as a rule Alarms Relay PN59 to PN95 The behaviour of the alarms can be influenced by different program numbers The general information refer to the scaled measuring value and are u
35. sited parameters in the program A or y Flashing of the least significant digit Save parameter P shortly Save the complete range of parameters P 1 second After 7 sec without selection device changes Operating mode autonomous in the operating mode 17 7 Programming Description of the program numbers In the display the program numbers PN are shown right justified as a 3 digit number with a P in front of them Pi Display of e g program number 0 Programming procedure The entire programming of the PZ5 is done by the steps described below Change to programming mode Push the P key to change into programming mode The unit goes to the lowest available program number If the programming lock is activated the key must be pushed for at least 1 second Change between program numbers To change between individual program numbers hold the P key down and push the A key for changing to a higher program number or the W key for changing to a lower number By keeping the keys pushed e g P A the display will begin after approx 1 second to automatically run through the program numbers Change to the parameter Once the program number appears in the display push V or A key to get to the set of parameters for this program number The currently stored parameters are displayed ICC uU l tL P a v In this case it is 75 640 18 7 Programming Changing a paramet
36. t with restart 15 6 Operation and function description 6 4 2 TARA function The TARA Function can be activated by zero key or digital input and needs to last for at least 3 seconds Thereby the instantaneous value of the channels is set on zero and the difference to the actual value in PN4 PN9 Offset displacement is stored This function is only done once after actuation of the desired trigger and has to be taken back bevor anew alignment The display reports this action by showing five little zeros in the display 00000 6 4 3 Configurable channel switch over The two input channels can be addressed via zero key externally via the digital input or time controlled This enables the user to see different measuring values in display change mode under PN11 6 5 Interface RS232 RS485 All PZ5 devices can optionally be programmed or configurated via an interface Devices of the basic type do not have an interface Operating mode The interface can be operated in various modes that can be parameterised via the PN34 Interface behaviour PN34 0 Standard mode in which the unit only replies if called on to do so This mode is used only for configuration Furthermore the current measuring value can be recalled via commando A PN34 1 Transmission mode in which the measurements are transmitted via the serial interface cyclically with the set measuring time The transmission mode is interrupted on receipt of gt J and th
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