Appendix E Flow Max - Rain Master Control Systems
Contents
1. configuration Master _Flow Pump Valve E Sensor gt r 1 L ee j 5 Zone Zone Zone H Valve Valve Valve t t Zone Zone Zone Valve Valve Valve 3 3 Submaster Controller Satellite Satellite Address 1 0 Address 1 1 Address 1 2 EV CAB COM SUI E EV CAB SEN Figure 204 Flow Max Hardwire Configuration Appendix E Flow Max Page 281 Rain Master Irrigation Systems DX2 User Manual SATELLITE ADDRESS 1 2 SUBMASTER CONTROLLER SATELLITE ADDRESS 1 0 ADDRESS 1 1 DX HW COMMUNICATION BOARD D COMMUNICATION BOARD immy Tinned Wire Wire t na aman OUT ey G5 amaw X HW DX PH DX RF DX HW COMMUNICATION BOARD Copper Tinned Wire Wire From OUT To IN Port From UT To IN Port of DX HW Port of DX HW of DX HW Port of DX XX EV CAB COM EV CAB COM SUBMASTER CONTROLLER SATELLITE SATELLITE ADDRESS 1 0 IN ADDRESS 1 1 IN gt ADDRESS 1 2 Y OA EZ 2 Xx To IN of DX HW 2 N 4 From OUT Port of DX XX EV CAB COM EV CAB COM Figure 205 Detailed Hardwire Connections Page 282 Appendix E Flow Max Rain Master2. Page 312 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual This page left intentionally blank Appendix E Flow Max Page 313
3. Caution Hardwire Link Cable installation must maintain polarity for proper operation The Controller Hardwire link requires the installation of the standard Evolution DX2 Communications Circuit Board RMIS part DX HW In a stand alone configuration both submaster and satellite units may be equipped with the standard circuit board System configurations that include the Central Control Computer will require the submaster controller to operate with either a radio communication board or a phone communication board For radio operation install the RF radio frequency Evolution DX2 Communication Circuit Board RMIS part DX RF The submaster will then communicate by radio to the Central Control Page 280 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Computer and through the hardwire link to the controller satellites The DX RF board communicates to the Central Control Computer via the 25 pin RS 232 connected to For phone communication install the phone DX2 Communication Circuit Board RMIS part DX PH The submaster will then communicate by phone modem to the Central Control Computer and through the hardwire link to the controller satellites The DX PH board communicates to the Central Control Computer via the RJ 11 phone connected to J5 The following pictorial diagrams of Figures 1 2 and 3 illustrate the wiring detail and connections of a typical system
4. ADDRESS 001 ENTER ADDRESS 0 255 Step 2 Figure 207 Submaster Address Entry Enter 1 then press ENTER to return to Main Menu Note For further information on creating the Submaster refer to Chapter 4 Setup Select the devices which are to be shared in the Flow Max operation from the following menu sequence F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max Page 286 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual SHARE FLOW PUMP amp MV NOW F1 NORMAL MODE Figure 208 Master Valve Pump Selection Step 3 Select FIZSHARE FLOW PUMP amp MV Note This selection specifies that the Flow Sensor Pump and Master Valve will be shared by all participating controllers All participant Satellite Controllers of a Flow Max system should be set up with e FIZSHARE FLOW PUMP amp MV e F3 NORMAL MODE Selection applies to non participating units that reside within a hardwire link configuration Non Flow Max participants may utilize their local pump master valves and flow meters in a conventional fashion This operation will be independent of any Flow Max activity Step 4 Configure the Submaster in the Flow Max Mode select F3 FLOW and select the connected devices as follows F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max F1 Share Flow Pump amp MV IS FLOW METER 1 CONNECTED TO THIS CLOCK F1 YES F2 N
5. Flow Max Rain Master Irrigation Systems DX2 User Manual Submaster The Submaster Controller in the Flow Max group is the watchdog for the entire group It monitors all participant device operations such as pumps and master valves It also issues corrective action for flow violations maintains the communication link status and accumulates all flow related status The Submaster allows the user to review all pertinent shared device information from its control panel The user can also monitor real time activity such as measured flow upper and lower limit changes as stations transition as well as flow delay status The Submaster allows flow limits and current limits for each station of all participant controllers to be established automatically from one location Devices The devices in a Flow Max system are defined as follows e Master Valve 1 MVI normally closed e Master Valve 2 MV2 normally closed e Normally Open Master Valve N O e Pump e Flow Meter 1 FM1 e Flow Meter 2 FM2 Flow Max allows any participant controller to utilize a shared device When a Flow Max participant program ISC reaches it s Start Time the Submaster initiates a command to turn the device on The device will remain on provided there is at least one program or ISC running that has been set up to share the use of the device The shared device may be connected to any Flow Max participant controller Each device connection is made to one and
6. using the Auto Limits feature This completes the Setup procedure for the satellite controllers Press the QUIT key to return to the base menu Appendix E Flow Max Page 299 Rain Master Irrigation Systems DX2 User Manual F1 Main Menu F5 Setup F3 Stations F3 Auto Limits RUN AUTO LIMITS 2 SET LIMIT AUTO LIMITS FOR ALL SATELLITES Figure 227 Auto Limits Selecting F2 SET LIMIT allows a global to be used for upper limit calculations Be sure to set the before selecting the F3 or F1 option Selecting F3 AUTO LIMITS FOR ALL SATELLITES will start the Auto Limits function All Flow Max participants will be tested Each station is turned on one at a time and the flow limits will be automatically learned Note This selection applies to the submaster only Page 300 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Max Worksheet The Flow Max Worksheet lists all parameters for the example Flow Max configuration This table may serve as a guide to setting up a future Flow Max system Table 6 Flow Max Sample Worksheet inq Submaster Controller 1 Controller 2 Address 1 0 1 1 1 2 Share Flow Pump amp MV yes iid yes yes no n a n a no no yes yes n a n a n a n a Last Address 2 eee ae K Offset Value yes no Flow Limits lyes yes yes Limits yes no no Unsched Limit yes no no ne E RO
7. Flow 1 Uses Flow 2 or Uses Sum of Flow 1 and 2 Page 278 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Check Delay The Flow Check Delay provides a specified amount of time before any limit comparisons or corrective action is taken by the system This allows water lines and pressures to stabilize after station turn on and turn off transitions Assume the system has the default check delay of two minutes When a station turns on the flow measurement takes place immediately however the limits will not be checked or reacted upon until the first reading after the flow check delay has completed Keep in mind that the more station transitions that occur within the group of Flow Max participants the more limits will go un checked Main Line Limits For any number of controllers within a Flow Max group there will only be one Main Flow Limit Remember that the main flow limit must be higher than an expected flow under normal operation yet low enough to react when a main break line occurs Flow Max Limitations Although the number of controllers in a Flow Max system is not limited the higher the number of participants the less control there is to detect problems Assume a total of five controllers in a Flow Max group with all five controller programs running simultaneously Each of the five programs operating has stations that under normal conditions use 100 Gallons Per Minute to irrigate Eac
8. only one controller All other participant controllers that Appendix E Flow Max Page 277 Rain Master Irrigation Systems DX2 User Manual share the use of the device must be programmed at the respective controller to select the appropriate option The Master Valve and Pump devices are physically connected to the respective controller Master Valve Power Board Part PCDX2 MV The Flow Meters are connected to the respective controller Sensor Terminal Board EV SEN Flow Meter installation instructions are included with the optional Flow Sensor kit Flow Sensors Flow sensor operation must include the calibration factors of K and Offset values for accurate calculations These values are required to compensate for the differences between pipe size and flow sensor used Complete tables on K and Offset values are given in Appendix A Flow Meters The satellite controllers that are physically connected to flow sensors must have the K and OFFSET values for the particular flow sensor programmed The Submaster MUST also has the K and OFFSET value programmed identical to those programmed at the controllers where they are connected Caution K and Offset value difference between the submaster and satellites will cause severe errors in Flow Meter measurements The results can virtually eliminate the over limit protection features such as Main Flow Unscheduled Flow etc The Submaster must also be programmed to identify Uses
9. procedure does not utilize a Normally Open Master Valve Step 15 Using the Down Arrow key advance to the following display and enter the least significant portion of the last address of the satellite configuration Note Ifall satellite controllers are communicating properly the last address will automatically appear in the display Appendix E Flow Max Page 289 Rain Master Irrigation Systems DX2 User Manual LAST ADDRESS 02 ENTER ADDRESS 0 50 Figure 214 Last Address Entry Step 16 Ina three controller system the address of the last unit is xxx 02 Enter 02 then press ENTER Note If the correct address appears in the display just press ENTER Press the QUIT key to return to the base menu Step 17 Flow Meter and Offset Values All Flow Meter K and Offset values of both Flow Meter 1 and Flow Meter 2 1f used must be entered at the Submaster Controller regardless of physical connection location The values must also be entered at the Satellite Controllers that are physically connected to Flow Meter 1 or 2 Set the K VALUE and OFFSET VALUE in the Submaster by advancing through the following menus F1 Main Menu F5 Setup F5 Sensors F2 Flow LOW METER 1 LOW METER 2 Figure 215 Flow Meter Selection Page 290 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Select FIZFLOW METER 1 Note Refer to Appendix A to select the proper K value and Offset value for you
10. Irrigation Systems DX2 User Manual MASTER VALVE LJ i 3 ZONE2 VALVE 14 PCDX2 MV oo PCDX2 0T12 of Lo z O BLL 12VAC a 1234567 8 9101112 STATION 2 rien o 990000099000 H 2 bongo o o MASTER VALVE TO ZONE 2 VALVE DAGEXWIOA Figure 206 Detailed Master Valve and Station Connections Appendix E Flow Max Page 283 Rain Master Irrigation Systems DX2 User Manual Master Valve Pump Configuration The Master Valve or Pump may be physically connected to any controller of the system which is then shared by the remaining controller units Any given valve pump may be physically connected to only one controller The Master Valve Power Board RMIS Part PCDX2 MV supplies the power and control for the Master Valves and Pump Every controller is equipped with this board assembly providing the ability to connect any given valve pump to any controller Connections are made to the screw terminals as depicted in Figure E 3 One wire of the valve pump connects to its associated terminal and the other common wire connects to the COM terminal Page 284 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Max Se
11. O NOW NO Figure 209 Flow Meter 1 Connection Appendix E Flow Max Page 287 Rain Master Irrigation Systems DX2 User Manual Step 5 Select F2 NO Note The NO response asserts that Flow Meter 1 is not physically connected to this controller and will not be under the control of this controller Step 6 Using the Down Arrow key advance to the Flow Meter 2 Input display and select F2 NO Note There is no second flow meter in our example procedure Step 7 Press the Down Arrow key to advance to the following display IS THE PUMP CONNECTED TO THIS CLOCK F1 YES F2 NO NOW YES Figure 210 Pump Connection Step 8 Press FI YES Step 9 Press the Down Arrow key to advance to the following display IS SHARED MV1 CONNECTED TO THIS CLOCK F1 YES F2 NO NOW YES Figure 211 Master Valve 1 Connection Step 10 Press F2 NO Step 11 Press the Down Arrow key to advance to the following display Page 288 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual IS SHARED MV2 CONNECTED TO THIS CLOCK F4 YES_ F2 NO NOW YES 1 Figure 212 Master Valve 2 Connection Step 12 Press F2 NO this example procedure does not utilize MV2 Step 13 Press the Down Arrow key to advance to the following display IS SHARED N O CONNECTED TO THIS CLOCK F1 YES F2 NO NOW NO Figure 213 Normally Open Valve Connection Step 14 Press F2 NO this example
12. OW NO Figure 225 Flow Meter Connection Step 6 Using the Down Arrow key respond to the six sub menus of the SHARE FLOW PUMP amp MV Menu accordingly per the system configuration Appendix E Flow Max Page 297 Rain Master Irrigation Systems DX2 User Manual Select FI YES then press Down Arrow key This selection must be identical to the submaster setup Select FI YES for Flow Meter 1 The K and Offset Values will require configuration using the exact same values as entered for the submaster Refer to the Flow Meter K and Offset Values section of the Submaster procedure Step 7 Press the Down Arrow key Is Flow Meter 2 connected to the clock Step 8 Press F1 NO then press the Down Arrow key Is the Pump connected to this clock Step 9 Press F1 NO then press the Down Arrow key IS SHARED MV1 CONNECTED TO THIS CLOCK F1 YES F2 NO NOW YES 1 Figure 226 Master Valve Connection Step 10 Select FIZYES for MV1 to complete the configuration for this sample procedure Once all the participants have been programmed with the Flow Max configuration data e Program each satellite with the desired irrigation program s Page 298 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Note Insure the program s have been set up properly for usage of a Master Valve and or Pump e Flow limits must be established for all stations in the system Flow limits can be established
13. Rain Master Irrigation Systems DX2 User Manual Appendix E Flow Max Max is unique feature specifically designed to manage multiple Evolution DX2 controllers which share a common water source Figure E 1 Hardwire Configuration illustrates a typical installation Note The Flow Max feature is not applicable for any controller which has exclusive use of its water source One point of connection POC per controller Please refer to Appendix A Flow Meters whenever flow and flow control Master Valve and Pump is required for a single controller installation Flow Max utilizes the intelligence of Evolution DX2 field satellite controllers to provide the following features e Operation of shared Master Valves Pump or Flow Meters across controllers without the need for peripheral relays or complex wiring e Shared devices may be wired in the conventional fashion to the nearest controller e Dynamic adjustment validation of station flow limits as stations turn on and off anywhere in the system e Detection of system main line breaks e Detection of system unscheduled flow e Ability to read the flow GPM rates at any of the Flow Max participant controllers x S 2 e Automatic establishment of flow limits and current limits for all the controllers in the system x o 2 a lt Appendix E Flow Max Page 275 Rain Master Irrigation Systems DX2 User Manual e Automatic sy
14. e base menu From the Flow Max participant controller advance to the satellite measured flow screen as follows F1 Main Menu F3 Status F2 Measurements F1 Flow Appendix E Flow Max Page 305 Rain Master Irrigation Systems DX2 User Manual FLOW 1 GPM 0 TOTAL GPM 0 FLOW 2 GPM 0 Figure 230 Satellite Real Time Review Press the QUIT key to return to the base menu Review Flow Max Physical Configuration The Flow Max physical configuration can be reviewed after it has been entered into all Flow Max participants The review capability is available at the submaster only Review All Procedure Step 1 Advance to the program display screen as follows 27 Fi Main Menu F3 Status F4 Review All P1 MO TU WE WH FR WATER DAYS FOR WEEK 1 Figure 231 Program Parameters The first display indicates the program number and the watering days as programmed Step 2 Press the Down Arrow key repeatedly to step through all parameters of the program Page 306 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Continue pressing the Down Arrow key until the following submaster configuration screen is displayed ADDRESS 000 MODE SHARE FLOW PUMP amp MV DEVICES MV1 PUMP Figure 232 Submaster Configuration This configuration screen displays the submaster address the selected mode and the devices that are physically connected to the submaster Step 3 Press the D
15. h station allows for a 1096 Upper Limit Tolerance With a 1046 tolerance a station normally using 100 GPM would be allowed a maximum flow of 110 GPM before causing an alarm With five stations operating under the same conditions Flow Max which sums all limits will allow a maximum flow of 550 GPM before causing an alarm for a station upper limit violation This means that a Appendix E Flow Max Page 279 Rain Master Irrigation Systems DX2 User Manual broken head would require a 50 GPM measurable difference before causing an alarm not a 10 GPM difference which would be the case if only one station had been operating Under the conditions above normal operating flow would be 500 GPM with station limits allowing up to 550 GPM The main flow limit must be higher than 550 GPM The question is does a main line break yield more than 550 GPM That s where programming and scheduling can accommodate the ability to keep the main limit within an amount detectable by a real break Physical Configuration The Hardwire Link provides the communication among all controllers of a standard irrigation system and or a Flow Max system All units are connected in a series configuration using direct burial EV CAB COM twin axial cable The Hardwire Link provides reliable communication among the controllers at distances up to several thousand feet Figure E 1 See Hardwire Configuration illustrates a typical wiring configuration for a 3 controller system
16. ime Flow Monitor updates continuously and displays e Flow from Flow Sensors one and two F1 F2 e The sum to Flow Sensor a and Flow Senor 2 TF e The dynamic flow upper limit UL changes whenever stations at any controller transition On or Off e The dynamic flow lower limit L changes whenever stations at any controller transition On or Off Page 304 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Step 2 e The status of Master Valves and Pump On or Off MV master valve 1 MV2 master valve 2 NO Normally open master valve P PUMP e The status of whether the submaster is in Flow Delay FD mode If FD appears on the second line of the display this indicates that flow delay is in effect hence limits are not being checked The absence of FD from the display means that the measured flow is being checked against the displayed limits The Real Time Flow Monitor is a useful tool for verifying that the proper flow delay has been programmed for the system Flow readings should stabilize a minimum of 20 to 30 seconds prior to the FD removal from the display This should provide adequate margin when programming this parameter In addition to the submaster capabilities each participant controller of the Flow Max system can display the measured flow Flow is monitored at the Flow Max participant using the same key sequence as at the submaster Press the QUIT key to return to th
17. meters by advancing to the Flow Max display through the following sequence F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max F1 Share Flow Pump amp MV IS FLOW METER 1 CONNECTED TO THIS CLOCK F1 YES F2 NO NOW NO Figure 224 Flow Meter Connection Step 4 Enter F2 NO and press the Down Arrow Repeat for the five remaining displays and respond to each of the following displays with F2 NO e Is Flow Meter 2 Connected To This Clock Then press the Down Arrow key e 15 The Pump Connected To This Clock Then press the Down Arrow key e Is Shared MV1 Connected To This Clock Then press the Down Arrow key e Is Shared MV2 Connected To This Clock Then press the Down Arrow key e Is Shared Connected To This Clock Page 296 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Then press the Down Arrow key In larger installations repeat step on all remaining controllers with no physical device connected Press the QUIT key to return to the base menu Step 5 Participant Satellite Physical Device Connected This procedure assumes our example configuration with devices MV1 and FM1 physically connected to Satellite address 1 1 Advance to the Flow Meter display through the following sequence F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max F1 Share Flow Pump amp MV 1 FLOW METER 1 CONNECTED TO THIS CLOCK F1 YES 2 N
18. n9 Appendix Flow Max Page 301 Rain Master Irrigation Systems DX2 User Manual Flow Max Worksheet Menu Controller Controller Controller Submaster Function 1 2 3 Address Share Flow Pump amp MV Last auto auto auto Address config config config K Offset Value Flow Limits Main Limits Unsched Limit Non participant Page 302 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Meter 1 Master Valve 1 Station Wiring Submaster Water Valve Stations Submaster Hardwire Link Controller 1 Water Valve Stations Controller 1 Station Wiring Hardwire Link Controller 2 Water Station Wiring Valve Stations Controller 2 Figure 228 Configuration Block Diagram Appendix E Flow Max Page 303 Rain Master Irrigation Systems DX2 User Manual Flow Max Diagnostic Tools Real Time Flow Monitor A Real Time Flow Monitor is available at the submaster controller of a Flow Max system This tool provides a wealth of information about the operational status of the system The real time monitor can be started and run in the back ground as the system is running Procedure Step 1 Advance to the real time flow screen display as follows F1 Main Menu F3 Status F2 Measurements Figure 229 Submaster Real Time Review The Real T
19. nu Satellite Controllers Procedure The remaining two Satellite Controllers may be configured to either of the two following options e Non participant Satellite Satellite IS NOT part of the Flow Max system e Participant Satellite Satellite IS part of the FlowMax system utilizing one or more shared devices Step 1 Non participant Satellite Note This step does not apply to our sample procedure Advance through the following displays to clear all Flow Max connections Page 294 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max HARE FLOW PUMP amp MV NORMAL MODE 1 3 Figure 222 Normal Mode Select F5 NORMAL MODE The controller returns to the base menu Step 2 Participant Satellite No Physical Device Connection Establish the Flow Max mode at the satellite by advancing to the configuration display as follows F1 Main Menu F5 Setup F4 Controller F4 Configuration F3 Flow Max SHARE FLOW PUMP amp MV NORMAL MODE F3 Figure 223 Controller Options Appendix E Flow Max Page 295 Rain Master Irrigation Systems DX2 User Manual Select FIZSHARE FLOW PUMP amp MV and verify that the Main Menu returns Note This mode selection must coincide with what was programmed at the submaster Press the QUIT key to return to the base menu Step 3 Set up device para
20. on the circumstances Flow Max Lower Limit Violation The submaster has determined that the measured flow from the flow meters s is less than the expected flow Irrigation is terminated for all stations which were on at the time of the violation Programs automatically advance to their next scheduled station SUBMASTER WARNING SATELLITE WARNING FM FLOW LO LIM This warning includes a list of satellites which had stations on at the time of the alarm FM STATION ADVANCE Lists the station s which were on Note FM STATION ADVANCE only appears at the satellite if at least one station was turned on Appendix E Flow Max Page 309 Rain Master Irrigation Systems DX2 User Manual Flow Max Upper Limit Violation The submaster has determined that the measured flow from the flow meters s is greater than the expected flow Irrigation is terminated for all stations which were on at the time of the violation Programs automatically advance to their next scheduled station SUBMASTER WARNING SATELLITE WARNING FM FLOW UP LIM FM STATION ADVANCE This warning includes a list of Lists the station s which satellites which had stations on at were on the time of the alarm Note FM STATION ADVANCE only appears at the satellite if at least one station was turned on Page 310 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Max Communicati
21. ons Failure The hardwire data communications between the submaster and one or more satellites has been lost or interrupted This may be indicative of a failure of the communications cable which runs to from each satellite in a Flow Max configuration All irrigation is terminated SUBMASTER WARNING HW COMM FAIL SATELLITE WARNING OFFLINE FM STOP WATER Lists the station s which were on Note The OFFLINE warning only appears at the satellite s which lost hard wire communications Appendix E Flow Max Page 311 Rain Master Irrigation Systems DX2 User Manual Flow Max Main Flow The main line limit for the Flow Max system has been exceeded All irrigation is terminated and all future scheduled irrigation will be inhibited SUBMASTER WARNING SATELLITE WARNING FM MAIN FLOW FM STOP WATER This warning includes a list of satellites which had stations on at the time of the alarm Lists the station s which were on Flow Max Unscheduled Flow Flow was detected but no controllers within the system had any stations which were turned on The normally open master valve will be energized and all future scheduled irrigation will be inhibited SUBMASTER WARNING SATELLITE WARNING UNSCHED LIMIT FM STOP WATER This warning includes a list of satellites which had stations on at the time of the alarm Lists the station s which were on
22. own Arrow key to display the screen for the next satellite address unit ADDRESS 001 MODE SHARE FLOW PUMP amp MV DEVICES Figure 233 Satellite 001 Configuration Satellite address 001 is configured to the same mode with no physical devices connected Step 4 Press the Down Arrow to display the screen for the next satellite address unit ADDRESS 002 MODE SHARE FLOW PUMP amp MV DEVICES FM1 Figure 234 Satellite 002 Configuration Satellite address 002 is configured to the same mode but with Flow Meter 1 physically connected Appendix E Flow Max Page 307 Rain Master Irrigation Systems DX2 User Manual Step 5 Continue pressing the Down Arrow key to review all remaining satellite units Note A device can only be physically connected to one controller Duplicate device assignments must be checked verified and eliminated This completes the Flow Max REVIEW ALL procedure Press the QUIT key to return to the base menu Page 308 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual Flow Max Warnings and Exception Conditions All warnings referenced in this section are described fully in Chapter 10 Flow Max warnings Please refer to that section for details Most exception conditions result in warnings being generated at the submaster as well as each Flow Max participant Different information however will appear at different controller locations depending up
23. quence iS F1 Main Menu F5 Setup F3 Stations F2 Limits Type STATION NUMBER ENTER STATION NUMBER 1 48 OX MV Figure 218 Main Flow Limit Entry Step 2 Enter 01 zero 1 then press ENTER The following screen options are displayed Page 292 Appendix E Flow Max Rain Master Irrigation Systems DX2 User Manual F1 ECURRENT LIMIT 2 FLOWLIMIT A Figure 219 Main Limit Options Step 3 Select FZZFLOW LIMIT The maximum main flow limit is displayed the default value is 2000 GPM MAIN FLOW MAX FLOW LIMIT 2000 ENTER MAX LIMIT 0 2000 Figure 220 Main Flow Maximum Limit Step 4 Enter the determined value for your system and press ENTER Press QUIT to return to the base screen This completes the Main Flow Limit procedure Press the QUIT key to return to the base menu Step 5 Unscheduled Flow Limit From the base menu advance to the UNSCHED FLOW LIMIT display through the following sequence F1 Main Menu F5 Setup F4 Controller F1 Flow Options F4 Unsched Limit Appendix E Flow Max Page 293 Rain Master Irrigation Systems DX2 User Manual UNSCHED FLOW LIMIT 200 ENTER LIMIT 0 2000 Figure 221 Unsched Flow Limit Enter the appropriate value then press ENTER This value sets the maximum allowable flow when NO stations are on units in GPM This completes the Flow Max setup procedure at the submaster Press the QUIT key to return to the base me
24. r installation Step 18 From the Set Value display press FIZSET VALUE to advance to the K VALUE entry screen FLOW1KVALUE 744 ENTER VALUE 0 56000 Figure 216 K Value Entry Enter the appropriate K VALUE then press ENTER Step 19 Select F2 SET OFFSET VALUE to advance to the following OFFSET parameter display FLOW 1 OFFSET VALUE 273 ENTER OFFSET VALUE 026000 Figure 217 Offset Value Entry Enter the appropriate OFFSET VALUE Note For further information on VALUE and OFFSET refer to Chapter 4 Setup and Appendix A Flow Meter Step 20 This completes the Submaster Setup procedure Appendix E Flow Max Page 291 Rain Master Irrigation Systems DX2 User Manual Press the QUIT key to return to the base menu Flow Max Main Line Flow Limits Procedure This procedure establishes the maximum flow limit for the complete Flow Max irrigation system In a Flow Max system the total GPM of all participating controllers is calculated into the overall Main Line Flow Limit value The Main Line Flow Limit is entered at the submaster controller only For any number of controllers within a Flow Max group there will only be one Main Line Flow Limit Remember that the Main Line Flow Limit must be higher than an expected flow under normal operation yet low enough to react when a main break occurs Main Flow Procedure Step 1 Advance to the Station Number Master Valve Entry screen through the following se
25. stem protection for the shared pump in partial power outages or communication failures e Automatic generation of diagnostic system warning messages at each Flow Max unit e Dynamic real time monitor shows system status at all times Overview Flow Max systems intelligently share resources and manage operations for satellites utilizing a single point of connection POC The shared resources may include a common pump two Flow Meters two Normally Closed Master Valves and one Normally Open Master Valve A Flow Max system is comprised of a number of identical DX2 Controllers typically 3 to 5 with the first controller set up as the submaster and the remaining units set up as satellites Controllers that share any Pump Master Valve or Flow Sensor are defined as Flow Max participants As Flow Max participants the Evolution DX2 controllers must be part of a serial hardwire configuration Controllers that are not Flow Max participants may reside on the hardwire link and are defined as non participants The serial hardwire configuration requires a communications cable and the appropriate communications card at each controller as depicted in Figure G 2 Flow Max provides a means to detect station flow limits and main line breaks within design and programming limitations All controllers participating within a Flow Max system must be programmed as Flow Max participants from each of their respective control panels Page 276 Appendix E
26. tup Procedure Overview The following section details the programming required in order to setup a Flow Max configuration Programming must be performed at all controllers which are utilizing this feature A typical Flow Max setup includes the following Submaster e Submaster Address Entry e Share Mode Selection e Share Devices Configuration e Flow Meter K and Offset Values e Station Number and Valve Pump Assignments e Unscheduled Flow Limits Satellite Non Participant e Controller Configuration Normal Mode Participant e Share mode selection e Share devices configuration e Flow Meter K and Offset Values if connected to this satellite This procedure utilizes the configuration depicted in Figure E 1 Hardwire Configuration with a submaster address of 1 0 The figure illustrates a system consisting of three controllers a Pump one Master Valve and one 2 inch Flow Sensor The Pump is physically connected to the submaster and the Master Valve and Flow Sensor are physically connected to satellite Appendix E Flow Max Page 285 Rain Master Irrigation Systems DX2 User Manual address 1 1 Table 1 Flow Max Sample Worksheet lists the parameters for each controller Submaster Setup Procedure Step 1 S Set up the first controller of the hardwire link as the Submaster by advancing through the following sequences F1 Main Menu F5 Setup F4 Controller F4 Configuration F2 Acts As Submaster F1 Radio Wire
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