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ZOK-E/-Z

Page 6

ZOK K14/0917

7. Electrical connections

7.1 Cable entry for housing option -K

Up to 3 cable entries (M20x1.5 or ½ "NPT) are available for electric connection in case
of electronics with plastic housing. To use these cable inlets, the existing factory
protection caps must be broken with a tool (e.g. screwdriver) and a suitable cable
gland should be screwed in. The cable glands are not included in the delivery.

Eruption of cable inlets

In case of electronic option ZOK-Z with housing ‘P’, the electrical connection is at the
rear side above the pluggable screw terminals.

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Содержание ZOK-ExK

Страница 1: ...Operating Manual for Flow Counter Dosing Unit Controller Model ZOK ZxP ZOK ExK ZxK ZOK ExM ZxM ZOK ZxF ...

Страница 2: ...ut 27 8 Operating and Menu Structure 28 8 1 Overall 28 8 2 Measuring Mode 29 8 3 Menu Mode 33 9 General Functions 34 9 1 MIN MAX Memory not for ZOK Z2 34 10 Instrument Parameters 34 10 1 End of instrument parameterization 34 10 2 Overview of menu functions instrument parameters 35 10 3 Signal input 39 10 4 Rate Measurement 43 10 5 Counter 44 10 6 Pulse output only Option ZOK E3 Z3 44 10 7 Switchin...

Страница 3: ... the measuring unit should be used only when the machines fulfil the EC machine guidelines 2 1 Notice According to the Battery Law Old batteries do not belong in household waste You can send the batteries back to us or an authorized address free of charge As consumer you are legally obliged to return the used batteries Contaminated batteries are provided with a mark consisting of a crossed out tra...

Страница 4: ... are specifically designed for the calculation display and transfer of calculations and flow rates of flow meters with pulse or frequency outputs The instruments display flow rate day counter resettable and total counter in the operator selected units A clear multilingual menu guides you through the programming of the device that largely eliminates the requirement of constant usage of operating ma...

Страница 5: ...r supply only with external power supply Sensor supply 8 V 24 V 8 V 8 V 24 V 8 V 8 V 24 V 8 V 8 V 8 V Electrical outputs only with external supply Relay outputs x x x Status outputs x x x x x x Analogue outputs 3 L 2 L 3 L 2 L 3 L Pulse outputs x x LCD display Selectable units x x x x x x x x Decimal point x x x x x x x x Accumulative total x x x x x x x x Resettable total x x x x x x x x Linearis...

Страница 6: ...ics with plastic housing To use these cable inlets the existing factory protection caps must be broken with a tool e g screwdriver and a suitable cable gland should be screwed in The cable glands are not included in the delivery Eruption of cable inlets In case of electronic option ZOK Z with housing P the electrical connection is at the rear side above the pluggable screw terminals ...

Страница 7: ...ZOK E Z ZOK K14 0917 Page 7 7 2 Overview of Terminals ZOK E Z with Supply option 3 and 6 7 3 Overview of Connections ZOK Z with Supply option 0 and 6 ...

Страница 8: ...option 3 The electronic option ZOK Z3 can alternatively be operated via 4 20 mA current loop in 2 wire operation Here we have the following technical limitations All other electrical outputs switching outputs pulse output and status output are disabled The backlight of the display is switched off and cannot be turned on Sensors that do not require an additional power supply can be connected e g re...

Страница 9: ...function is available during sleep modes The counter values will be regularly updated in the internal processor The flow rate will neither be updated in the processor nor on the display Monitoring of battery voltage during sleep mode In all sleep modes after a count of 100 pulses the battery voltage is monitored If this monitoring shows that the voltage has gone below 3 2 V then the counter values...

Страница 10: ...alues will be calculated and displayed on display after these 5 seconds Longer refresh rate will increase the battery life BAT LOW will be displayed on the display if battery voltage falls below 3 2V and CHANGE BAT will be shown in case if the voltage falls below 3 1V In Menu if the electronics goes to sleep mode then the last displayed content will be frozen The menu can be further used by pressi...

Страница 11: ...0S SL760 Battery life duration The achievable battery life is dependent on various factors On the frequency of activation of measurement menu mode in the measurement menu mode power consumption is higher On the total number of detected input pulses and the input frequency higher frequencies reduce the battery life On the environmental conditions low temperatures reduce the usable battery capacity ...

Страница 12: ...12 ZOK K14 0917 7 5 Sensor Inputs 7 5 1 Active pulse signal Power Supply External DC Supply Signal input setting AKTIVES SIGNAL Wiring for ZOK Z with Supply option 3 and 6 Wiring for ZOK Z with Supply option 0 and 6 ...

Страница 13: ...ZOK K14 0917 Page 13 7 5 2 Hall Sensor NPN and PNP Sensors Power supply only external DC supply Signal input setting HALL Signal input setting NPN Signal input setting PNP Wiring for ZOK Z Supply option 3 and 6 ...

Страница 14: ...917 Wiring for ZOK Z with Supply option 0 and 6 7 5 3 Reed switch R0 Sensor option Power supply External DC supply Battery operation or 4 20 mA loop current Signal input setting REED Wiring for ZOK Z with Supply option 3 and 6 ...

Страница 15: ...15 Wiring for ZOK Z with Supply option 0 and 6 7 5 4 Inductor Power supply External DC supply and battery operation Battery operation reduces battery life Signal input setting Inductor Wiring for ZOK Z with Supply option 3 and 6 ...

Страница 16: ...ZOK E Z Page 16 ZOK K14 0917 Wiring for ZOK Z with Supply option 0 and 6 7 5 5 Namur Sensor Power supply only external DC supply Signal input setting NAMUR Wiring for ZOK Z with Supply option 3 and 6 ...

Страница 17: ... E Z ZOK K14 0917 Page 17 Wiring for ZOK Z with Supply option 0 and 6 7 5 6 Transducer model UMF2 Power supply only external DC supply Signal input setting NPN Wiring for ZOK Zx with Supply option 3 and 6 ...

Страница 18: ...14 0917 Wiring for ZOK Zx with Supply option 0 and 6 7 5 7 PMG magnetic inductive with frequency output Supply Voltage only external DC power supply Signal input setting PNP Wiring for ZOK Zx with Supply option 3 and 6 5 4 ...

Страница 19: ...ZOK E Z ZOK K14 0917 Page 19 Wiring for ZOK Zx with Supply option 0 and 6 ...

Страница 20: ...ZOK E Z Page 20 ZOK K14 0917 7 5 8 DOR with voltage pulse output DOR with Hall sensor output ...

Страница 21: ...e When using an active control signal the signal amplitude of the HIGH level must be from 5 to 24Vdc When using simple normally open contact the input potential is internally pulled of HIGH if the contact is open If the contact is closed the input potential is pulled to GND and the control function is activated CTRL4 control input is not used Function of control inputs Control input ZOK E1 Z1 ZOK ...

Страница 22: ...ZOK E Z Page 22 ZOK K14 0917 Wiring for ZOK Z with Supply option 3 and 6 Wiring for ZOK Z with Supply option 0 and 6 ...

Страница 23: ...d in 2 wire configuration the display will show LOOP at the top The wiring type must be set to 2 WIRE in the Analogue Output menu 7 7 2 3 Wire Configuration as active output current source In the 3 Wire Configuration the load is connected between current output and GND and all types of sensors can be connected and all other outputs can be used If the electronics is connected in 3 wires the display...

Страница 24: ...ZOK E Z Page 24 ZOK K14 0917 Wiring for ZOK Z3 with Supply option 3 6 Wiring for ZOK Z3 with Supply option 0 6 ...

Страница 25: ...onnected between current output and voltage source Vs In the 3 conductor wiring all types of sensors can be connected and all other outputs can be used If the electronic is connected in 3 conductor wiring the display will show EXT at top left external power supply The wiring type must be set to 3 WIRE in the Analogue Output menu All sensor types can be connected at the signal input ...

Страница 26: ...connected to GND or Vs In push pull mode no additional pull up or pull down resistor is required 7 8 2 Relay outputs for ZOK Z2 Z3 The electronics options ZOK Z2 Z3 devices are equipped with potential free relay outputs as standard Electronic option ZOK Z2 is equipped with an additional relay board These relay outputs can be simultaneously used in parallel with the existing transistor outputs The ...

Страница 27: ... 0917 Page 27 7 9 Pulse Output and Status Output Pulse and status outputs are set to push pull output type and provide an active digital signal with HIGH amplitude of about Vs Wiring for ZOK Z3 with Supply option 3 6 ...

Страница 28: ...item selection incrementing and decrementing digits while setting numerical values on the display Top Call MAX Function Enter Resets the Partial counters A and B when pressed for 3 5 sec Numerical input Jump to the next decimal position General Saves the parameter value and returns to the parent menu 8 1 2 Parameter setting 8 1 2 1 Selection list Parameter with predefined selection values are defi...

Страница 29: ...gnals are recorded continuously current instantaneous flow and volume counter readings are periodically calculated and displayed With options ZOK Z2 a dosing function is available On LCD in addition to main display the status and configuration of the pulse inputs as well as the status of the pulse output the switching outputs and supply voltage are also displayed If a symbol is shown inverted with...

Страница 30: ...OK E Z Page 30 ZOK K14 0917 8 2 2 Display layout in measuring mode single channel ZOK Z1 E1 Z3 E3 part or total volume display input A part or total volume display input A Unit associated to main display ...

Страница 31: ...ZOK E Z ZOK K14 0917 Page 31 8 2 3 Display layout in measuring mode for dual channel ZOK Z1 E1 Z3 E3 ...

Страница 32: ...ZOK E Z Page 32 ZOK K14 0917 8 2 4 Display layout in measuring mode for dossier ZOK Z2 ...

Страница 33: ...de shortens battery life To activate the Menu mode the button must be pressed for 3 5 sec The parameters are divided into main groups and subgroups Selected menu parameters are highlighted with dark background For selection of main groups and buttons are used In the main menu all menu groups can not be displayed simultaneously on the screen so the list of menu items can then be scrolled up or down...

Страница 34: ... valve is opened at the start of the dosing and no medium flows or if the sensor has malfunctioned even if the flow is there then this output will be activated giving indication of some abnormality In case of the detection of direction this output indicates if both the sensors are giving their respective signals If one of them stops working this output will be activated 10 Instrument Parameters 10...

Страница 35: ...List selection default Z1 Z2 Z3 Battery external Spule For induction coils Z1 Z2 Z3 Battery external PNP For PNP sensors Z1 Z2 Z3 Battery external Active Signal For active pulse signals Z1 Z2 Z3 Battery external NAMUR NAMUR Sensor Z1 Z2 Z3 Battery external Reed For Reed sensors Z1 Z2 Z3 Battery external Hall For Hall sensors Z1 Z2 Z3 Battery external Sensor type B NPN For NPN sensors List selectio...

Страница 36: ...aling factor A0 K Factor A0 K Factor for Scaling factor A0 LPM 000020 00 Battery external Scaling factor Ax Flowrate Ax Flow rate for scaling point Ax 1 Volume unit 000050 00 Z1 Z3 Battery external Parameter points Ax depend on the activation of the linearization function and the number of linearization points Battery external Scaling B Volume unit Volume unit for scaling factor B ml L m 3 galUS g...

Страница 37: ...re Output type Assignment output stage type NPN PNP PP NPN Z3 external 3 wire Switching function Acting direction switching function Normally open Normally closed N o Z3 external 3 wire Switching threshold Switching threshold 5 1 Unit 00035 0 Z3 external 3 wire Lower threshold Threshold point low 5 1 Unit 00010 0 Z3 external 3 wire Hysteresis Switching hysteresis 5 1 Unit 00001 0 Z3 external 3 wir...

Страница 38: ...output stage type NPN PNP PP NPN Z2 external Switching function Acting direction switching function Normally open Normally closed N o Z2 external Output 2 Function Disabled Dosing high flow disabled Z2 external Source Assigning switching output Input A Input A Z2 external Output type Assignment output stage type NPN PNP PP NPN Z2 external Switching function Acting direction switching function Norm...

Страница 39: ...gnal input Input type The 2 pulse inputs can be configured in different modes together or independently The following modes are available Parameter Menu Description Input A single Single channel mode only input A is active Signals at the input B are not evaluated Dual direction det Two channel operation with flow direction detection At Channel A and B two signals are applied both signals have equa...

Страница 40: ...ng function is the Refresh time The filter function operates on the principle of moving average where the parameter filter factor specifies the number of measuring values which are used to calculate the current flow value If filter factor is set to 1 the filter function is virtually eliminated For example Filterfactor 3 Refreshtime 1 0s Filtered measured value Current measured value Previous measu...

Страница 41: ...point A0 see graph For a linear function it is not necessary to enter input parameter flow rate A0 The flow rate Ax parameter is only required for the determination of the reference points when using the linearization function Points for the linearization function With active linearization function the number of linearization points for parameter linearization points in addition to point A0 is set...

Страница 42: ...A2 and A1 To correct this error the bases must be checked and corrected if necessary This must always apply 10 3 6 Signal Input Scaling B The scaling of input B is the same as input A The scaling of input B is only required for input type Dual independent A B and A B For all other input types only the scaling of input A is used ...

Страница 43: ... 500 LPM then the flowrate shown on display will be 5 user 10 4 3 Rate measurement Start point A B The parameter start point defines the lower flow rate limit for display and further evaluation If the measured flow rate lies below the measuring range value the flow rate is set to 0 therefore hidden At the same time the underflow icon will appear in the display If the value of the parameter is set ...

Страница 44: ... displayed is 8 If the value is between 1 and 4 total number of 7 digits and 1 decimal point will be displayed Decimal count Digits on the Display 0 00000000 8 digits without decimal point 1 000000 0 7 digits with 1 decimal point 2 00000 00 7 digits with 2 decimal points 3 0000 000 7 digits with 3 decimal points 4 000 0000 7 digits with 4 decimal points 10 6 Pulse output only Option ZOK E3 Z3 A sc...

Страница 45: ... mode is activated again leading to no loss but a delayed pulse train at the output depending on how long the menu mode remains active 10 6 1 Pulse output Source If the Input type in menu Signal Input is set to Input A or direction detection the pulse output can be assigned only to the input A The Input type setting to dual independent provides both inputs A and B as the source and the selection A...

Страница 46: ...Pulse Source for Pulse and Switching output A B Cycle 1 A 50 LPM B 0 LPM A B flow 50 LPM Switching output not active After one minute A B Counter will show 50 Liter and the electronics has given 50 pulses Cycle 2 A 50 LPM B 100 LPM A B flow 50 LPM Switching output active After two minutes A B Counter will show 0 Liter and the electronics has given further 50 pulses As soon as the flow display chan...

Страница 47: ...itching Output Output 1 2 Function Function parameter defines the basic function There are limit function and window function available Limit function The output will be active when the current measured flow value is above the threshold It remains active until the measured value has fallen below the threshold and the hysteresis Window function The output will be active when the actual flow measure...

Страница 48: ...10 7 3 Switching Output Output 1 2 Output type Parameter Output defines the function of the transistor output NPN PNP or PP Push pull output types are available The push pull type combines NPN and PNP and is therefore the best choice for most wiring All outputs are equipped with short circuit and overload protection 10 7 4 Switching Output Output 1 2 Switching function The Function specifies the m...

Страница 49: ...s ensures that the switch outputs do not constantly turn on and off even when the measured value for the switching threshold fluctuates around The hysteresis value should always be chosen greater than the real measured value fluctuations In this way a targeted suppression can be achieved 10 7 8 Switching output Output 1 2 Suppression factor A further suppression of switching outputs of fluctuating...

Страница 50: ...tage 2 is used by a slower metered addition to achieve a higher Dosing value especially The start stop and reset can be operated in parallel via the control inputs or the control buttons After the start of dosing if no input signal is detected over the period of time defined by menu item Missing pulse timeout the status output is activated Example for the switching output 2 with 2 stage dosing Dos...

Страница 51: ...enu menu selection menu dosing function is completely hidden and the service is then protected with a password 10 8 6 Dosing function Correction value With parameter correction value a systemic constant wrong dosage can be corrected without having to change the actual dosing value The correction value can be either positive or negative If the dosing system has a smaller volume than expected then t...

Страница 52: ...ways greater than measuring range starting value Note 1 If this value is set smaller than standard measuring range the resolution and accuracy of the output current value will be reduced Note 2 If the parameter End point value is changed in the menu Rate measurement the parameter for flow rate for 20 mA is automatically adjusted The value for Flow rate for 20 mA cannot be set greater than the set ...

Страница 53: ...logue output Wiring type While using analogue output correct electrical wiring type must always be selected Otherwise the offset value of 4 0 mA will not be correct 10 10 Service 10 10 1 Service User service A Reset function and Blanking function for selected menu parameters are available for user in Service menu Together with the activation of a user password certain device functions and paramete...

Страница 54: ...This function displays only the selected menu the hidden parameters remain unchanged and active The selection of the menu items are to be suppressed by selection through buttons and selector through the button The active marker is indicated by a before the menu item By repeatedly pressing the button the label can be removed 10 10 5 Service Factory service The factory service function is password p...

Страница 55: ...played Input scaling range 0 001 99 999 999 with three floating decimal points Mounting meter mount wall surface pipe or panel mount Measuring inputs 2 x pulse input type NPN PNP NAMUR Reed Hall active configureable with software Input frequency 0 1 1000 Hz High low threshold 1 VDC max input amplitude 30 VDC Basic accuracy of flow measurement 0 1 of measuring value the accuracy of the displayed va...

Страница 56: ...data for options ZOK ZxP and ZOK ZxF Power supply 12 28 VDC option option 6 90 260 VAC option 0 no battery operation see table on page 55 for details Sensor supply 8 V with supply voltage 8 5 VDC option 3 8 V or 24 V selectable option 0 Relay outputs potential free changeover contacts max switching voltage 230 VAC DC max current load dependent see diagram Analogue output at ZOK Z3P 4 20 mA 3 wire ...

Страница 57: ...ZOK E Z ZOK K14 0917 Page 57 ...

Страница 58: ... 7 2xPG13 5 F Pulse frequency input 3 4 5 28 VDC Battery 4 0 2 85 240 VAC 6 4 12 28 VDC 0 without R 6 2 relays 0 without Y Special please specify in clear text 1 not for ZOK E1 and E3 2 see table 3 only for housing ZOK xxK ZOK xxM 4 see table 6 see table 7 Only for ZOK ZxF 8 in preparation Overview of electrical options and corresponding housings Model Electronics Housing Supply Voltage Relay opti...

Страница 59: ...ZOK E Z ZOK K14 0917 Page 59 13 Dimensions ZOK ZxK ZOK Ex Zx ZOK ZxP ZOK ZxF ...

Страница 60: ...use EMC requirements Part 1 General requirements EN 61010 1 2011 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements Also the following EC guidelines are fulfilled 2014 30 EU EMC Directive 2014 35 EU Low Voltage Directive 2011 65 EU RoHS category 9 EN 50581 2012 Technical documentation for the assessment of electrical and electronic p...

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