Netafim NMC-64 User & Installation Manual Download Page 1

 

 

 

 

 

 

 

 

 

        

 

NMC-64 USER & INSTALLATION 

MANUAL 

 

 

 
 
Manual version: 

2.00 

Date of issue: 

January 2005 

Publisher:  

Netafim 

TM

 (A.C.S.) Ltd. 

 

© Copyright 2003, Netafim 

No part of this publication may be reproduced, stored in an automated data file or 
made public in any form or by any means, whether electronic, mechanical, by 
photocopying, recording or in any other manner without prior written permission of the 
publisher. 
Although Netafim takes the greatest possible care both with its products and the 
associated manuals, there may be deficiencies in them.  
Netafim will not however accept responsibility for damage resulting from the use of 
Netafim products or damage resulting from the use of this manual. Netafim also 
reserves the right to make changes and improvements to its products or to the 
associated manuals without notice.

 1 

Summary of Contents for NMC-64

Page 1: ...ying recording or in any other manner without prior written permission of the publisher Although Netafim takes the greatest possible care both with its products and the associated manuals there may be deficiencies in them Netafim will not however accept responsibility for damage resulting from the use of Netafim products or damage resulting from the use of this manual Netafim also reserves the rig...

Page 2: ...gation Process 11 Hot Screen 3 Program Status 12 Hot Screen 4 Water EC pH Fert 13 Hot Screen 5 Filter Flushing Status 14 Hot Screen 6 Temperature and humidity 15 Hot Screen 7 Weather station 16 Software 17 Getting started 17 1 Program 18 1 1 IRRIGATION 19 1 2 WATER RUN TIME 22 1 3 DOSING 23 1 4 CONDITION 25 1 5 AGITATOR 26 1 6 SELECTOR 26 1 7 FILTER FLUSHING 27 1 8 COOLING 28 1 10 WATER HEATING 33...

Page 3: ...TION 43 4 6 AUX METER ACCUMULATION 44 4 7 ACCUMULATION RESET 44 4 8 FILTERS 45 4 9 COOLING 45 4 10 SENSORS LOG 46 4 11 EVENT LOG 47 4 12 SYSTEM LOG 47 5 TEST 48 5 1 RELAYS 48 5 2 DIGITAL INPUT 49 5 3 ANALOG INPUT 49 5 4 TEMPERATURE 50 5 5 HUMIDITY 50 5 6 HARDWARE CHECK LIST 51 6 SETUP 52 5 1 TIME DATE 52 6 2 SYSTEM SETUP 53 6 3 TEMPERATURE CALIBRATION 55 6 4 HUMIDITY CALIBRATION 55 6 5 EC pH CALIB...

Page 4: ... 64 8 INSTALLATION 66 8 1 DEVICE LAYOUT 66 8 2 Available Devices 67 8 3 4 DIGITAL INPUTS 1 2 67 8 5 6 ANALOG INPUT 1 2 68 Hardware 69 General Specifications 69 Power Supply 69 Specifications 69 Dry Contact Output Card 71 Specifications 71 24AVC Output Card 72 Specifications 72 Digital Input Card 73 Specifications 73 Analog Input Card 74 Specifications 75 Troubleshooting 77 LED s indication 77 Prob...

Page 5: ...ion 89 ELECTRICAL CONNECTIONS 90 SENSORS AND SHIELD WIRING 91 EC pH correction adjustment 92 EC Transmitter Sensor connection and calibration 93 Connecting EC sensor to Transmitter 93 EC Transmitter Calibration 93 Connecting EC transmitter to NMC 64 controller 94 pH Transmitter Sensor connection and calibration 96 Connecting pH sensor to Transmitter 96 pH Transmitter Calibration 97 Connecting pH t...

Page 6: ...utput Card Options for 24VAC Dry Contact Input Cards for analog and digital sensors Sensors for EC pH Temperature Humidity wind speed direction etc Local or Remote Communication to PC The new and advanced large LCD graphic screen 40x16 lines makes the NMC 64 user friendly and easy to operate and program The NMC 64 is modular and can be expanded by adding additional I O cards Main Features Large gr...

Page 7: ... is under the relevant setting According to type of field value list of options etc change setting as follows Value use the numeric keys to change the value and press ENTER to confirm List of Options press Enter to open the List of Options use the arrow keys to navigate and press Enter again to confirm HH MM SS set hours press the Enter key to move to the minutes set the minutes press the Enter ag...

Page 8: ...een icons is done using the arrow keys the selected icon will be highlighted and can be entered by pressing the Enter button Alternatively you can press the indicated numeric key next to each icon For example push the 3 key to go directly to the Alarm Menu to go back to the main menu screen simply press menu button Main menu screen Use of the keypad Keypad picture 8 ...

Page 9: ...o erase typing mistakes Arrow The Arrow keys move the cursor around the menus and in some cases can be used to change values Key The key changes between positive and negative values and marks the check boxes when selecting options In the History screen the key can be used to change between quantities and time format Key The Key enables to enter a decimal point Numbers The Numeric keys enable you t...

Page 10: ...tons 0 7 from any of the Hot Screens Hot Screen 0 Hot screen 0 displays icons of the active processes Wait The controller is idle no processes are taking place Irrig Irrigation process is active Pump one or more of the pumps are active Dosing dosing process is active Alarm one or more alarms are active Filter flushing Filter flushing process is active Cooling cooling process is active meaning its ...

Page 11: ...nominal flow rate and actual measured flow rate EC Displays the set required EC and the actual measured EC values PH Displays the set required PH and the actual measured PH values STATUS Displays current time date active or next program and valve if more than three valves are active will show the first three with a mark next to the last one to indicate that thee are more valves operative MESSAGES ...

Page 12: ...ty or time to be given during the current irrigation Actual Actual quantity or time already delivered Flow Actual flow rate of the device function Status Current status of the device function Hot Screen 3 Program Status Hot screen 3 shows detailed information regarding all of the irrigation programs PROGRAM STATUS Date 4 Feb 04 Time 22 00 Program 1 2 3 Status Next Start Total Cycle Act Cycle Left ...

Page 13: ... for the current period Example Program 2 in the table above has to perform 3 cycles 1 has already been given and 2 are remaining If a starting time of a future program already passed The Next Start displays the passed starting time while the status is Wait Hot Screen 4 Water EC pH Fert Hot screen 4 shows fertigation process and is useful for checking whether the fertigation is operating properly ...

Page 14: ...er flow rate When EC pH control is active the Open will change according to the difference between the actual and the calculated EC pH values If the Open is close to the Min or Max it means that there is a big deviation between the fertilizer program settings to the actual injection ratio The Open cannot be higher than the Max and cannot be lower than the Min if it is identical to one of them than...

Page 15: ...ers have been flushed Remaining filters Qty shows how many filters are still to be flushed Delay Flush Time Delay Delay time between flushing one filter to the next Flush Time Remaining flush time for filter being currently flushed Hot Screen 6 Temperature and humidity Hot screen 6 shows temperature and humidity levels as well as the average value of all temperature and humidity sensors CLIMATE Nu...

Page 16: ...NMC 64 Irrigation Hot Screen 7 Weather station Hot screen 7 shows the measured values of the weather station sensors outside conditions המסך של שרטוט להוסיף 16 ...

Page 17: ...nalog Input Assign inputs to analog sensors for example EC pH temp sensors etc Configuration 7 1 Device Delay configuration Define startup and shutdown order of the various devices 7 2 Pump Configuration Set pump capacity delays and connect it to the relevant processes 7 3 Valve Configuration Configure each valve to a main valve and water meter 7 4 Valve Flow Rate Define valve flow rate 7 5 Water ...

Page 18: ...les time between cycles participant valves run time programs fertilizer program etc Manual start 2 3 Manual Start Valve Manually start each valve and verify that the set nominal flow rate is similar to the measured one 2 2 Manual Start Program Manually start the programs to check whether they are operative as set expected The program can manually be shut down after proper operation has been verifi...

Page 19: ... 2 3 4 5 6 F W F W F Program Select a program by entering the program number and confirm by pressing Enter Priority Priority determines the order in which programs will take place If start time is the same higher priority programs come first Higher priority programs do not stop currently operative programs If start time and priority are same lower irrigation program number takes place first Priori...

Page 20: ...ogram for two different programs For example In the table above if the program was started manually or due to a Dry Contact the irrigation in days 2 and 3 will take place as usual meaning irrigation will be given as set in the associated Run Time Programs and fertilizer will be injected as set in the associated Fertilizer Programs Start time hh mm Enter up to 6 start times periods per day for each...

Page 21: ...lve When setting a few valves to work together mark between them a Dosing Program should only be set for the first valve the rest of the valves will follow this setting Day xx xx enables to define whether the program should irrigate fertigate or be turned off on different days The right setting enables to define the day s cycle The left setting enables to define the current day of the cycle Dose W...

Page 22: ...30 hours the program will operate as follows 1 Fertigate for 30 hours 2 1 day without irrigation 3 Irrigate water only for 30 hours 4 1 day without irrigation 5 Fertigate for 30 hours 6 1 day without irrigation 1 2 WATER RUN TIME WATER RUN TIME Prog Method Water Before After 1 2 3 4 5 QTY 4 0 0 1 0 5 TIME 1 02 00 0 10 05 0 20 05 QTY 3 0 0 1 0 5 QTY 2 0 0 1 0 5 QTY 4 5 0 1 0 5 Table 1 2 has 60 floa...

Page 23: ...IME 00 10 00 10 00 30 0 00 0 00 QTY 5 0 3 2 2 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 P Qty 0 0 0 0 0 0 0 00 0 00 The NMC 64 includes 10 predefined dosing programs Each program can operate according to one of four methods Each channel can be set to give a different amount overlapping bet...

Page 24: ...me for each dosing channel across the set irrigation time quantity Dosing channel 1 will be on for a few pulses their total time will be 10 min Dosing channel 2 will be on for a few pulses not necessarily the same amount their total time will be 30 min 3 Time hh mm Each dosing channel is given the time to fertilize The dosing will be done in one bulk that will start after the water before time qua...

Page 25: ...me of the condition program To hh mm Set the end time of the condition program The condition program will only be operative in the defined window of opportunity between start From to end To times Each condition program can be operative on different hours Start Dry Con Set the dry contact number for starting the irrigation Trigger Type Choose one of three trigger types 1 One Shot if the Start Dry C...

Page 26: ...sed 1 5 AGITATOR The agitator is used to mix the fertilizers and acid in the storage tanks in order to prevent the occurrence of sediment AGITATOR On Off mm ss mm ss Dosing Active Dosing Not Active 01 00 10 00 02 00 30 00 Dosing Active definition of the On and Off times of the agitator when dosing is taking place On Define the required mixing time Off Define the required time between mixing Dosing...

Page 27: ...OGRAM Time Between Flush hh mm Flushing mm ss Delay mm ss Delta Pressure Delay Delta Pressure sec Delta Pressure Reiteration Dwell Time Main Filter s 06 00 01 00 00 30 YES 6 3 0 Time Between Flushing hh mm Time interval between two consecutive Flushing cycles The time is only counted during irrigation Example If time between flushing is set to 01 00 it means that after 1 hour of irrigation a flush...

Page 28: ...alve Sec define how much time before the filter flushing cycle is started the main filter valve must be on for This output is typically used to control a pressure sustaining valve or to start a booster pump 1 8 COOLING The cooling humidification program is used to keep the greenhouse temperature below a set value and or the humidity above a set value Each program can be set to maintain temperature...

Page 29: ...en 08 00 to 18 00 Above temp is 40o Below RH is 80 On is 00 01 00 and Off is 00 10 00 Time is 07 00 the temperature is 35o and the humidity is 65 the cooling valve will be open for 30 seconds every 5 minutes Time is 12 00 the temperature is 30o and the humidity is 65 the cooling valve will be open for 30 seconds every 5 minutes Time is 10 00 the temperature is 40o and the humidity is 50 the coolin...

Page 30: ...he end time of the Cooling Humidification program The Cooling program will only be operative in the defined window of opportunity between start From to end To times Each Cooling Humidification program can be operative on different hours Above to Below RH Above to when status is cooling Start cooling above this temperature Cooling will stop if the temperature drops below the internal dead band of 0...

Page 31: ... Temp Sens assign Up to 2 temperature sensors for this program Hum Sens assign up to one humidity sensor to this program If there is a malfunction in one of the temperature sensors a message will be displayed and that sensor will be taken out of the average temperature calculation If all the temperature sensors are out of order the controller will operate according to the first active line If you ...

Page 32: ...f the Misting program End hh mm Set the end time of the Misting program The Misting program will only be operative in the defined window of opportunity between Start to End times Each Misting program can be operative on different hours On define the On time of the Misting valve Off define the Off time of the Misting valve If On 0 there is a constant rest If Off 0 there is a constant work In the ti...

Page 33: ...vent frost From Time hh mm Set the start time of the water heating program To Time hh mm Set the end time of the water heating program The water heating program will only be operative in the defined window of opportunity between start From Time to end To Time Water Temperature Water heating will be activated when the temperature drops below this value Difference dead band for stopping water heatin...

Page 34: ...om Pause mode it will complete all irrigations that should have taken place in the time the system was paused 2 2 START STOP PROGRAM START STOP PROGRAM Program 1 Enter a program number to start and press Enter Select Yes to confirm your choice and start the relevant program When you enter the Start Stop screen and a program is active you will be asked whether you wish to stop the relevant program ...

Page 35: ... Select Yes if you wish to start the relevant valve 2 4 FILTER FLUSHING To flush filters manually follow the prompts and select a function with the arrow keys and press Enter You can flush all filters or individual filters Without Pump or Main valve operation The filter number cannot be higher than the number defined in table 8 1 START STOP VALVE Do You Really Want To Start Stop Valve 2 Yes No FIL...

Page 36: ... RESET This table shows active alarms and faults The Upper section enables the user to cancel faults and reset alarms Period of Automatic Reset enables the user to set a period of time that the NMC 64 will try to reset the alarms automatically and complete the uncompleted processes ALARM RESET Reset Now Period Of Automatic Reset Complete Irrig On Reset No 24 h YES ACTIVE ALARMS No Message Date Tim...

Page 37: ...0 15 10 0 50 0 50 0 50 0 50 3 3 3 300 Water Fill Up Min Time for line fill up The system will ignore high flow and will not generate a High Flow alarm during this period Water Leak m3 Gal Quantity of water to trigger a water leak alarm The quantity is either in m3 or gallon depending on the choice of volume units Water Leak Period hh mm Time frame to measure the Water Leak quantity If it takes the...

Page 38: ...an target value Delta pH High system will generate a High pH Alarm Missing Pulses For No Flow Number of missing pulses before system will generate a No Flow Alarm Max Consecutive Flow Alarms Number of consecutive flow alarms of same type high flow low flow etc before the system is stopped This setting is used to pause the system when there is a general malfunction that occurs in a few valves or va...

Page 39: ...ting table enables to define required response for faults recognized by the NMC 64 STOP Stop Irrigation and or Dosing for current valve or valve group and continue to the next valve CONT Continue Irrigation and or Dosing for the valve or group of valve that caused the alarm Delay mm ss Define the period the fault must be measured for before the NMC 64 will take action Alarm Active Define whether t...

Page 40: ...ON LOG The Irrigation Log table registers up to 100 rows of last irrigations IRRIGATION LOG Date Time V1 Water Duration Flow Chan 1 Chan 2 29 Dec 09 40 1 5 Jan 10 00 2 5 0 0 00 20 0 10 10 0 0 00 20 0 20 Each row includes information regarding water quantity irrigation duration average flow and dosing quantities per channel To view dosing quantities or time simply press the key Water quantity is me...

Page 41: ...he uncompleted irrigation table Time time current line entered the uncompleted irrigation table Prog No indicated the program number 92 the program that entered the table was started manually 93 the relevant irrigation has entered the uncompleted irrigations table for the second time or more consecutively Vl No indicates the associated valve If a group of valves defined to irrigate together where ...

Page 42: ... completed or because the system was not active for a long period of time for example due to power failure and could not complete its tasks UNCOMPLETED PROGRAMS No Date Time Prog Start Prog Left hh mm No Time Cyc Cyc 1 2 3 27 Dec 04 10 03 1 15 51 5 2 28 Dec 03 15 04 93 22 00 2 1 28 Dec 03 15 05 92 23 00 2 2 Uncompleted program table consists of 200 lines 4 4 DAILY IRRIGATION Enables to view histor...

Page 43: ... and time simply press the key 4 5 IRRIGATION ACCUMULATION The Irrigation Accumulation table enables to accumulate water and dosing quantities for required periods The accumulation of each valve can be reset separately in table 4 7 ACCUMULATION RESET IRRIGATION ACCUMULATION Valve Date Water Chan 1 Chan 2 Chan 3 1 2 3 4 5 28 Dec 04 13 92 51 35 27 12 51 34 28 Dec 04 13 92 51 35 27 12 51 34 28 Dec 04...

Page 44: ...e 1 2 3 89 500 100 500 865 000 28 Dec 04 28 Dec 04 08 Jan 05 The quantities displayed are in liters gallons up to 9999 999 To reset an auxiliary meter refer to table 4 7 ACCUMULATION RESET 4 7 ACCUMULATION RESET ACCUMULATION RESET Reset Valve Quantity For Reset Aux Meter For All Valves Meter 01 To reset accumulation of an individual valve or of all valves press the Enter key choose the relevant op...

Page 45: ...information of the number and cause of flushing FILTERS Flushed by Date Delta P Time Manual 28 Dec 04 5 2 0 29 Dec 04 6 0 1 30 Dec 04 9 0 0 31 Dec 04 7 1 2 4 9 COOLING Enables to view history of cooling activities or time per valve DAILY IRRIGATION How Many Days Ago 1 Day Ago Press ENTER to open the list of choice move with the arrow keys to the relevant day and confirm your choice by pressing the...

Page 46: ...ble 6 7 SENSORS LOGGING SENSORS LOG Date Time Avg Avg EC pH Temp Hum 14 Mar 17 00 14 Mar 18 00 14 Mar 19 00 14 Mar 20 00 14 Mar 21 00 31 9 31 2 40 1 31 9 31 2 40 1 31 9 31 2 40 1 32 0 31 3 40 0 31 0 31 2 39 0 Sensors Log table contains up to 10 000 details Date and time are 2 details in every line and each sensor is an additional detail For example logging of 2 sensors uses 4 details 2 for time an...

Page 47: ...rrent Break On 14 Mar 13 10 25 The table consists of the last 999 events 4 12 SYSTEM LOG The table provides information of the all system changes A system change can be for example a change of a table from the controller or through the PC communication and can also be a power off EVENTS LOG No Event Date Time 1 2 3 4 5 Cold Start 12 Mar 11 25 36 Power Off 12 Mar 11 33 46 Power On 13 Mar 11 34 57 C...

Page 48: ... OFF VALVE 3 OFF VALVE 4 OFF VALVE 5 OFF VALVE 6 OFF VALVE 7 OFF VALVE 8 OFF The setting automatically changes between ON and Off To manually test relay functionality move the cursor to it with the arrow keys and press Enter Press Enter again to return to automatic operation OFF The output is not active ON The output is automatically turned on by the relevant program Man Manual operation of the ou...

Page 49: ...er a 0 or a 1 they reflect the status of inputs ANALOG INPUT Channel Card No 1 Card No 2 1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0 5 3 ANALOG INPUT Analog inputs will have values from 0 to 1023 refer to the table below to see what that value represents for each sensor ANALOG INPUT Channel Card No 1 Card No 2 1 2 3 4 5 6 7 8 9 10 11 1023 1023 1023 1023 1023 1023 1023 2 0 0 1014 49 ...

Page 50: ...ensor readings in degrees Celsius or Fahrenheit depending on definition in screen 6 2 SYSTEM SETUP TEMPERATURE No Value 1 2 3 4 5 6 7 8 32 20 31 34 5 5 HUMIDITY This table shows the current humidity sensor readings in relative humidity HUMIDITY NO Value 1 2 3 4 5 33 80 40 02 50 ...

Page 51: ...Analog Output Relay cards 1 2 0 7 To update the hardware checklist disconnect the NMC 64 from the power supply or perform a cold start COM _ _ _ D In No 2 Relay 48 41 A In No 1 D In No 1 Relay 1 8 Relay 9 16 Relay 17 24 Relay 25 32 Relay 33 40 P S The bottom row shows 24VAC output cards dry contact output cards and power supply The upper row shows dry contact output cards analog and digital input ...

Page 52: ...just the time and date simply place the cursor on the setting you wish to modify change the numbers using the keypad and press Enter to save your changes TIME AND DATE Currant Time Date End day Time 18 31 04 27 Dec 03 00 00 End Day Time Select the start time of a new day 00 00 to 23 00 At End Day time All the alarms are reset All the uncompleted irrigations are reset Irrigation cycles that haven t...

Page 53: ...2 SYSTEM SETUP System Setup screen includes all general system settings SYSTEM SETUP Language Temperature Unit Volume Unit Maximum Cooling Parallel Maximum Misting Parallel English C Metric 1 1 STOP IRRIGATION During Filter Flushing During Cooling Process During Misting Process NO NO NO STOP DOSING During Filter Cleaning NO VALVE Delay Between Valves sec 5 MAIN SCREEN Default Hot Key Number 1 HIST...

Page 54: ...ocess Define whether irrigation should be stopped during misting STOP DOSING During Filter Flushing Define whether dosing should be stopped during filter flushing VALVE Delay Between Valves Define the required delay between closing a valve until opening the next one If you wish to open and close the valves simultaneously set to zero MAIN SCREEN Default Hotkey Number Define the required default hot...

Page 55: ...0 00 N A 0 00 N A 0 00 N A 0 00 N A 0 00 N A 0 00 6 4 HUMIDITY CALIBRATION Same calibration shown for temperature applies to Humidity sensors 6 5 EC pH CALIBRATION EC pH calibration enables to adjust between the EC pH transmitters to the NMC 64 EC pH CALIBRATION Sensor value Factor EC pH 1 46 0 06 7 21 0 18 Use the arrow keys to increase decrease the factor until the values shown in the NMC 64 are...

Page 56: ...he factor in order to adjust the values 6 7 SENSORS LOGGING Sensors Logging screen enables to define which sensors should be logged SENSORS LOGGING SETUP Data To Collect Yes No Avg Temp Temp 1 Temp 2 Temp 3 Temp 4 Temp 5 Temp 6 Temp 7 Temp 8 Avg Hum To select an item move the cursor to it and mark it using the key Selections are marked with When you change the Sensors logging setup the sensors his...

Page 57: ...OVERWRITE EXISTING DATA PLUGE ARE YOU SURE YES NO When writing to data plug new program will overwrite old program on data plug 6 9 READ FROM DATA PLUG Place the plug in its socket and upload the program from the data plug to the controller ACTION WILL OVERWRITE YOUR CONTROLLER DATA ARE YOU SURE YES NO When reading from data plug the program on the data plug will overwrite existing controller prog...

Page 58: ... DELAY CONFIGURATION Device Delay Configuration screen enables to define startup and shutdown order the irrigation process DEVICE DELAY CONFIGURATION On Off mm ss mm ss Pump Main Valve Valve 01 00 00 45 00 15 01 00 Example according to the settings above the pump will be turned on first after 45 seconds the main valve and 15 seconds later 1 minute from procedure start the valve It is recommended t...

Page 59: ...ll start from the smallest to the largest and will turn them off from the largest to the smallest Pump No pump number Capacity define pump capacity This will be the maximum pump capacity above which the NMC 64 will turn on another pump if available Stability define stability time Stability time is the startup time required for current pump before next pump can be started up Stability time is usual...

Page 60: ...inimum Maximum m3 h m3 h m3 h 1 2 3 4 5 6 5 000 3 750 6 250 5 000 3 750 6 250 5 000 3 750 6 250 5 000 3 750 6 250 5 000 3 750 6 250 5 000 3 750 6 250 The NMC 64 uses cubic meters per hour when measuring the valve flow rate The minimum and maximum levels set on this window are levels at which the NMC 64 will shut down valves and activate the alarm for low or high flow rates The nominal level is the...

Page 61: ...d in a pulse 7 6 DOSING CHANNEL CONFIGURATION FERTILIZER SETTING No Pump Method Ratio React High Low 1 2 3 Venturi Time 16 6 EC 30 30 Venturi Time 16 6 EC 30 30 Venturi Time 6 2 PH 30 30 Pump Select the type of dosing pump Venturi Hydraulic Electric When working with hydraulic pump the method can only be Liter Pulse When working with hydraulic pump EC pH control is not possible Method Select the o...

Page 62: ...control is off or channel is used for proportional injection only for example in order to inject chemicals set reaction to passive High set a limiting injection percentage This percentage will limit the deviation from set dosing recipe when NMC 64 is injecting more than defined in order to try and reach the target EC pH values Low set a limiting injection percentage This percentage will limit the ...

Page 63: ...e dosing regulator may be turned off for This feature is used to protect the regulator for excessively being turned on and off Coarse Tuning 1 Slow 10 Fast Coarse tuning is used to adjust speed and aggressiveness of EC pH control A higher value will result in faster correction but might lead to over shutting see EC pH correction adjustment for further information Fine Tuning 1 Slow 10 Fast Fine tu...

Page 64: ...iguration screen will only be visible after one or more cooling valves have been defined in table 8 1 DEVICE LAYOUT COOLING CONFIGURATION Cool No Main Valve 1 2 3 4 0 0 0 0 Main Valve configure a main valve to each cooling valve This setting is not necessary in case the cooling doesn t have a main valve 7 10 MISTING CONFIGURATION MISTING CONFIGURATION Mist No Main Valve 1 2 3 4 0 0 0 0 64 ...

Page 65: ...User Installation Maunal Software Main Valve configure a main valve to each misting valve This setting is not necessary in case the cooling doesn t have a main valve 65 ...

Page 66: ...m If you wish to define a few devices of the same type lets say valves 1 to 10 simply define the first one and press enter a few times until you reach the required amount The NMC 64 automatically continues with the same device until told otherwise or until reaching the system limitation for that device DEVICE LAYOUT Relay Function No 1 2 3 4 5 6 7 8 9 10 11 12 21 22 23 24 VALVE VALVE VALVE VALVE V...

Page 67: ...g on the devices set in screen 8 1 DEVICE LAYOUT OUTPUT DEFINITION TYPE Qty Pumps Main Valves Filters Fertilizers Alarm Valves Misting Cooling Fert Boosters Agitator Selectors Water Heating Main Filter Valve 1 1 3 3 1 12 0 0 1 2 1 1 1 8 3 4 DIGITAL INPUTS 1 2 Place the cursor on the relevant line and press Enter a list of choice will open Choose the required sensor and press Enter to confirm 67 ...

Page 68: ...ursor will jump to the No column define the number of the sensor in the controller and press enter to confirm DIGITAL INPUT 1 In Input Function 1 2 3 5 6 7 8 9 10 Water Meter Fertilizer Meter Program 1 Operate Stop System Pressostat Delta Pressure Drainage Qty Dry Contact Water Collent ANALOG INPUT No 1 Channel Input Function N0 1 2 3 5 6 7 8 9 10 11 Temp Sensor 1 Humidity Sensor 1 Evaporation 1 D...

Page 69: ...he power supply card receives line voltage 220 110VAC and provides voltages for various users 12VDC to the CPU and relays 5VDC to digital inputs 3VDC to analog inputs etc 24VAC to 24VAC output cards Specifications Mains voltage single phase 230VAC 110VAC Mains frequency 50 60Hz Maximum power consumption 50VA Mains voltage Minimum 200VAC Maximum 250VAC Main Fuse 1A Available power for peripheral eq...

Page 70: ...NMC 64 Irrigation Power supply without external protection Power supply with external power supply protection 70 ...

Page 71: ...f various voltages depending on what is connected to it When more than 40 outputs of type 24VAC are required the dry contact output card can be configured as seen in drawing below Dry contact connection The dry contact output card consists of surge and lightening protection circuits and doesn t need the addition of external protections under normal conditions Specifications 8 64 N O low power rela...

Page 72: ...the common connections and the upper row of the outputs It is possible to connect the common of several devices to the same connector nevertheless it is recommended to try and spread the commons in an even manner The 24VAC output card consists of surge and lightening protection circuits and doesn t need the addition of external protections under normal conditions Specifications 8 40 N O low power ...

Page 73: ...le to connect the common of several sensors to the same connector nevertheless it is recommended to try and spread the commons in an even manner The digital inputs card consists of surge and lightening protection circuits and doesn t need the addition of external protections Specifications 8 16 digital inputs dry contact 5V 2mAmp Maximum Pulse Input Rate 100 Pulse Sec Digital sensors connection Se...

Page 74: ...emperature sensors only Inputs 5 6 can be connected to temperature or 4 20 mA sensors jumper selectable Inputs 7 9 can be connected to temperature or humidity sensors jumper selectable Input 10 can be connected humidity sensor Input 11 can be connected to wind direction sensor The analog inputs card consists of surge and lightening protection circuits and doesn t need the addition of external prot...

Page 75: ...ts RTS 2 30 kOhm thermistor EC pH inputs 4 20mA Humidity inputs RHS 2 0 3V Wind direction input Potentiometer Analog sensors connection See Appendix Plug Play Analog Input Card for additional information regarding card identification and definition in the controller ...

Page 76: ...NMC 64 Irrigation Analog input card protection 76 ...

Page 77: ...inking LED OFF than there is a major fault probably in the CPU board OUTPUT LED In normal operation the LED will blink to indicate a relays update every blink indicates that the main CPU updated the relays status and that communication between the cards is OK In case of a malfunction in communication or power the led will stop blinking Communication LED s 2 communication LED s indicate communicati...

Page 78: ... is switched off The reason for this problem is probably a short circuit in one of the relay coils The short activates a thermal fuse on the power supply card Replace the relay card 3 Alarm messages Temp Sensor Shorted Temp Sensor Opened Temp Sensor User Err Out Temp Sen Shorted Out Temp Sen Opened Out Temp Sen Fail The reason for these problems could be that one of the sensors is shorted or disco...

Page 79: ...ort circuit occurs in a device that is connected in a distance the addition to the system s electric current load A D is too small for the system to detect exactly which output is resposible In this case the short circuit threshold value can be lowered so the system is more sensitive 6 The controller detects a short circuit but it does not point to the correct device This can occur in two differen...

Page 80: ...n screen and will be registered in the history table These alarms will not stop irrigation 13 EC Sensor Fail 14 pH Sensor Fail Alarms related to systems that operate with EC pH control If these alarms turn on the controller will switch to proportional irrigation with no EC pH control 15 High Flow 16 Low Flow 17 Water Leak 1 to 3 18 Dosing channel leak 1 to 8 19 Dosing chan Fault 1 to 8 20 External...

Page 81: ...ngs will remain untouched 4 if you choose Yes NMC 64 will perform cold start procedure controller will start with Ram and EPROM cleaning procedure All controller settings will be erased and restored back to default factory settings All history will be erased 5 After cold start procedure has ended NMC 64 will return to the main screen to use NMC 64 controller start installation from beginning It is...

Page 82: ...hort circuit are disabled Once a short circuit occurs an alarm is generated one for all devices and an event is given 4 12 SYSTEM LOG for each device that is detected with a short circuit Reset Outputs that are short circuited market AL in table 5 1 TEST RELAYS are not turned on automatically and can not be manually turned on After fixing the short circuit reset the alarm table 3 1 ALARM RESET the...

Page 83: ...nput Output cards identification After Cold Start the controller zeroes the cards data that is in the memory and researches the system After identifying the cards the controller saves the results Once a minute the controller runs a check on all the cards and makes sure that the cards are connected and working properly In case a card is missing or failed the controller displays a message on the scr...

Page 84: ...al Input Card Cards numbering is according to the jumpers setting on the cards Jumpers 3 4 are not in use If you add a new card with an identical number to one already in the controller sends a message of a numbering conflict and will disregard the new card Turn off the power and change the new card s number Jumper If after Cold Start there are 2 cards with identical numbers the controller will re...

Page 85: ...lizers 8 Alarm 1 Valves 60 Misting 40 Cooling 16 Fert Booster 1 Agitator 3 Selector 7 Water Heater 1 Main Valve 1 Programs Irrigation programs 15 Fertilizer programs 10 Run Time programs 60 Filter Flushing programs 1 Water Heating programs 1 Cooling programs 5 Misting programs 40 Agitator programs 1 Selector programs 1 ...

Page 86: ... installation of equipment will protect your system and reduce the risk of human injury Proper grounding provides an easy path for electrical current to return to its source A grounding system should tie all non current carrying conductors to earth ground 0 volts The grounding system should present a minimum resistance to current flow Make sure all items used are in proper condition for example a ...

Page 87: ...ion where a rod or series of rods are connected to each other using a ground wire Independent ground rods will increase the risk of current from a lightning strike for example being dissipated through one rod and reentering the system through an adjacent rod Location Close to the main circuit breaker panel and in moist soil For example in an area that is usually wet from a drip or a low spot where...

Page 88: ...zed steel Diameter Typically 16 mm 6 gauge copper wire is sufficient If the wire run is greater than 20 feet 20 mm 4 gauge wire should be used Length Minimum 2 5 meters 8 feet preferably 3 meter 10 foot A longer ground rod will reach a soil with higher moisture content Moist soil carries current much better than drier soil The ground wire should be protected from damage by lawnmowers tractors etc ...

Page 89: ...umidity sensors also connect the shield through the extension 2 Run a heavy wire directly from the ground terminal to the ground rod which must also be connected to the electrical service ground The Ground should be less than 5 ohm resistance 3 Do not use light wires for these ground connections They must carry heavy lightning currents sometimes exceeding thousands of amperes The galvanized plate ...

Page 90: ...appearance with all wiring in conduit or neatly installed Keep low voltage wires separate from high voltage wires 3 Use shielded wiring for low level signals For buried wiring building to building runs use high grade jell filled cables that are impervious to moisture 4 Seal cable entry points and control boxes to prevent contamination and corrosion If you use silicon sealant with acetic acid cure ...

Page 91: ...hield 4 Keep sensor wiring separate from other power distribution and high voltage wiring Ensure that lightning on other wiring will not transfer to the sensors 5 Install outside temperature sensors so that the sun will not cause false readings and so that exhaust air from the building will not affect the sensor Caution risk of danger read the manual Caution risk of an electric shock Protective co...

Page 92: ...control cycle table 7 7 DOSING CONFIGURATION Put the coarse and fine tuning to 1 table 7 7 DOSING CONFIGURATION Set a dosing program with reasonable settings table 1 3 DOSING PROGRM Start the valve again this time with the above set dosing program While the system is fertigating and after verifying that there are no large irregularities between set and actual flow start increasing the coarse tunin...

Page 93: ...ectors 5 and 6 4 Connect Black wire to connectors 10 and 11 5 Connect White wire to connectors 12 and 13 6 Adjust the Dip switches white is ON as follow EC Transmitter Calibration Green 4 6 5 100Ώ Red 11 10 Black White 13 12 Remove the sensor from its socket and wipe fluids off it Using the ZERO bring the reading to 0 no calibration fluid is needed here Insert the sensor into the calibration fluid...

Page 94: ...mS Insert the sensor back to the socket and tighten it Repeat sensor calibration once every two months Connecting EC transmitter to NMC 64 controller Connect EC transmitter to NMC 64 analog input card as follows EC transmitter s connector 1 to analog card s connector Red EC transmitter s connector 2 to analog card s connector T5 Check that analog card s jumper 1 from left is set to 4 20mA 94 12VDC...

Page 95: ...umber 5 Table 7 8 EC pH RANGE DEFINITION Define table as follows Sensor 4 mA 20 mA EC Ms 0 20 pH 0 14 Table 6 5 EC pH CALIBRATION Change factor by pressing on the right and left arrows until value displayed on controller screen is identical to the value displayed on transmitter screen Sensor Value Factor EC 1 41 0 00 pH 7 00 0 00 ...

Page 96: ...ction and calibration Connecting pH sensor to Transmitter Connect wire HI to connector 10 Connect shield LO to connector 11 Do not remove resistors from connectors 3 4 and 5 6 Do not switch between shield and wire connections Shield Wire 10 11 96 ...

Page 97: ...alibration fluid example if temp is 25C the pH value shall be 7 01 Wipe the sensor and insert it to the lower value calibration fluid for instance with pH 4 Milwaukee pH 4 01 buffer Calibrate with the SENS until the pH reading is as on the calibration fluid according to 25o C example using 4 01 buffer and temp is 25C the pH value shall be 4 01 Carefully insert the sensor back to its socket Repeat ...

Page 98: ...NMC 64 Irrigation 12VDC Input 2 1 Red T6 98 ...

Page 99: ...umber 6 Table 7 8 EC pH RANGE DEFINITION Define table as follows Sensor 4 mA 20 mA EC Ms 0 20 pH 0 14 Table 6 5 EC pH CALIBRATION Change factor by pressing on the right and left arrows until value displayed on controller screen is identical to the value displayed on transmitter screen Sensor Value Factor EC 1 41 0 00 pH 7 00 0 00 ...

Page 100: ...NMC 64 Irrigation Netafim Limited Warranty 100 ...

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