3020 User Manual Book 1.qxp
Contents
1. Q a 59 OUT 8 gt lt lt fe Sor a gt lt 0 5 52 8 9 O 6 4 ZN S 9 8 Z 225 S 2 VIN E Ca 6 LE au IN a 24V return E d 2 y A S OLA LS 956 E NT 3 O lt 59508 TINE a Port 2 lt O 0 5 o 71 24 lt a 222 lt 9 NE NES OUT_COM OUT_B OUT_A mA IN JmA IN VIN VIN 24V return 24V OUT_COM OUT_B OUT_A mA IN JmA IN VIN VIN 24V return 24V OUT_COM OUT_B OUT_A mA IN IN VIN 24V return 24V OUT_COM OUT_B OUT_A mA IN VIN 24V return 24V OUT_COM OUT_B OUT_A mA IN JmA IN VIN 24V return 24V 4 20mA INPUT 2 WIRE TRANSMITTER EXTERNAL SUPPLY E ADD JUMPER mA Vin PS TRANSMITTER NE PS V POWER V SUPPLY 4 20mA INPUT 4 WIRE TRANSMITTER EXTERNAL SUPPLY PS OUT TRANSMITTER OUT PS ADD JUMPER mA TO Vin VOLTAGE INPUT 3 WIRE TRANSMITTER EXTERNAL SUPPLY TRANSMITTER OUT PS PS Q V POWER V SUPPLY 4 20 mA OUTPUT OUT LOAD2. LISTED Model 3020 User Manual Book 1 Introduction Welcome to the Model 3020 user manual This Pump Controller with alarm capability is accurate easy to configure and easy to operate In this manual you will find an overview on how to configure your controller The Model 3020 includes the following features Six character alphanumeric display Scrolling multi word configuration prompts for clarity Four control channels with LED indication Control channel menu prompts can be set for alarms or pumps Control channels can be independently configured for different trip and reset points Controls can have independently configured trip and reset delay times Two three or all four controls can be set to alternate Alarms can be independently configured to latch Alarms can be independently configured to activate a horn Four separate horn actions A security code can be set to prevent unauthorized use UL listed Table of Contents Front Panel Features ii Manual Guidelines v 1 0 Basic Use Configuration 1 1 1 Peak and Valley 1 1 2 Enter Access Code 2 18 Select Input Type 3 1 4 Setup Display 4 1 4 1 Set the Decimal Point 4 14 2 Select the Process Label 5 14 3 Select the Input Output Curve 6 1 4 4 Define Maximum Range 6 1 4 5 Define Minimum Range 7 1 5 Adjust Offset 7 1 6 Settin
3. pole 4 is in the ON position See Section 2 1 DIP switch settings Press ENTER The default Access Code 000000 appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 3 Press NEXT to move to the next digit 4 After entering an Access Code press ENTER OKAY appears If the code is correct DENIED appears if incorrect 1 3 Select Input Type The SELECT INPUT TYPE menu item allows you to select the input you want to apply to the controller You can skip this section if the input is 4 20 mA Since this is the factory default setting no action is necessary 1 Press ENTER The Select Input Type prompt appears 2 Press the UP ARROW or DOWN ARROW to view the options See TABLE 2 for the available options TABLE 2 Input Type Options 10 10V 0 10V 0 5V 1 5V 0 20mA 4 20mA 0 1V 3 After selecting the Input Type press ENTER STORED is displayed confirming your selection 4 Press NEXT The Setup Display menu appears 1 4 Setup Display The SETUP dISPLAY menu item allows you to configure the Model 3020 to display the level in your tank This is where you set the decimal point select the process label and define the input output curve The Model 3020 should be configured to match the output range of your transmitter Press ENTER The SET dP prompt appears 1 4 1 Set the Decimal Point The SET dP prompt allows you to place the decimal p
4. OUT VOLTAGE OUTPUT COM lt LOAD OUT_COM OUT_B OUT_A mA IN ma IN VIN VIN 24V return 24V OUT_COM OUT_B OUT_A IN IN VIN VIN 24V return 24V OUT_COM OUT_B OUT_A IN VIN 24V return 24V OUT_COM OUT_B OUT_A IN mA IN VIN 24V return 24V 4 20mA INPUT 2 WIRE TRANSMITTER INTERNAL SUPPLY ADD JUMPER mA TO Vin y PS TRANSMITTER EH PS VOLTAGE INPUT 4 WIRE TRANSMITTER EXTERNAL SUPPLY 4 PS OUT OUT VOLTAGE INPUT 3 WIRE TRANSMITTER INTERNAL SUPPLY TRANSMITTER SIGNAL PS PS 4 20 mA OUTPUT EXTERNAL SUPPLY POWER SUPPLY v LOAD sink FIGURE 10 Field Wiring Connections Warranty Information DEVAR INC WARRANTS THIS PRODUCT AGAINST FAILURE AS A RESULT OF DEFECTS IN MATERIAL OR WORKMANSHIP FOR A PERIOD OF TWO YEARS Should this product prove to be defective in material or workmanship during the warranty period Devar Inc will at its discretion repair or replace the defective item at no charge to the customer Products that are damaged by accident misuse fire water lightning or other acts of nature are not covered under this warranty Also not covered is damage due to shipping installation incorrect wiring or any o
5. rent setting appears 2 Press the UP ARROW or DOWN ARROW to select ON ALARM or NEVER 3 Press ENTER to save the setting STOREd is displayed con firming your selection 1 6 8 Fail Safe Polarity Settings The FAIL SAFE POLARITY prompt allows you to select whether the output relay will be energized N O contact closed or de ener gized contact closed when in the tripped state For FAIL TRIPPED the channel will trip on the loss of power For FAIL RESET the channel will reset on the loss of power 1 The FAIL SAFE POLARITY 1 prompt appears Press ENTER The current setting appears 2 Press the UP ARROW or DOWN ARROW to select FAIL RESETor FAIL TRIPPd 3 Press ENTER to save the setting STOREd is displayed con firming your selection After installing the controller perform a safety test by removing power to the 3020 The relays are wired correctly If the con trolled functions are all in their failsafe conditions e g the pumps are off and the alarms are on 1 6 9 Alternation Settings The ALTERNATION prompt allows you to set any of two three or four channels to alternate Each channel is configured separately Each time the first trip point is reached one of the alternating channels will turn a pump on Another pump will turn on for each additional trip point that is reached Alternating channels must be set so that they all trip on a high going signal or all trip on a low going sign
6. 10 feet What do do if the pres sure transducer is not located at the bottom of the tank How do indicate the depth of water in my well if the transmitter output is reverse acting the out put goes down as the well fills up If have two alternating pumps should the trip and reset points for both pumps be set to the same level The controller seems to operate properly regard less of how the failsafe polarity is set Is this an important setting Answer No The define maximum range and the define minimum range should be set to match the output of the sig nal transmitter For example if you are using a 5 lb pressure transducer set the minimum to 0 ft and the max imum to 11 5 ft Calibrate the controller to match the range of the transducer e g 0 to 11 5 ft then use the adjust offset fea ture to correct for the position of the transducer An ultrasonic transmitter might output 4 mA ata distance of 25 ft and 20 mA at a distance of 1 5 ft Set the define maximum range to 1 50 ft and the define minimum range to 25 00 ft then use the adjust offset feature to compensate for the height of the Transmitter above the well No This will cause both pumps to turn on at the same time One pump must be set to turn on at a higher level than the other The pumps will alternate around the first trip point If the second trip point reached both pumps will turn on The reset points can be se
7. ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 5 Press NEXT to move to the next digit 6 After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection 7 dISPLY MAX OUTPUT prompt appears Repeat steps 3 through 6 for the dISPLAY MAX OUTPUT menu item The default factory calibration for analog retransmission is a 4 20 mA output for 0 to 100 input 2 2 3 Adjust Output Signal The analog retransmission board is calibrated using the TRIM MIN OUTPUT and TRIM MAX OUTPUT menu items This is a factory calibration and does not have to be performed on new units unless the DIP switch settings are being changed on the retransmission card The output of the analog retransmission board is controlled by sending it a number The number can range from 0 to 4095 the larger the number the larger the output Calibration consists of adjusting the number up or down to increase or decrease the measured output level The TRIM MIN OUTPUT and TRIM MAX OUTPUT menu prompts only appear when DIP switch SW4 Pole 1 is in the ON position see Section 2 1 To adjust the output signal 1 Connect an appropriate meter voltage or milliamp to the ana log output terminals on the rear panel 2 Navigate to the ANALOG REXMIT prompt then press ENTER 3 Press NEXT Until the TRIM MIN OUTPUT prompt appears then press ENTER 4 The number controlling the outpu
8. go silent Any none or all of the alarms can cause the horn to sound The RESET button on the front panel see FIGURE 1 is used to silence the horn If the alarm is latched pressing RESET a second time will unlatch the alarm 1 HORN ACTION prompt appears Press ENTER The cur rent setting appears 2 Press the UP ARROW or DOWN ARROW to select SOUNd WITH ALARM SOUNd UNTIL RESET LATCH GOING ACTIVE or LATCH WITH CHANGE see table 3 3 Press ENTER to save the setting STOREd is displayed con firming your selection TABLE 3 Horn Actions Setting Description SOUNd WITH ALARM Causes the horn to sound when an alarm is tripped and to be silent when all alarms are clear If any alarm is configured to LATCH you must press RESET to unlatch alarms that are clear SOUNd UNTIL RESET The horn sounds when an alarm is tripped and is silent when either all alarms are clear or the RESET is pressed If any alarm is configured to LATCH you must press RESET again to unlatch alarms that are clear LATCH GOING ACTIVE The horn sounds and stays on after an alarm is tripped You can only silence the horn by pressing the RESET button If any alarm is configured to LATCH you must press RESET again to unlatch alarms that are clear LATCH WITH CHANGE The horn sounds and stays on after an alarm either trips or clears You can only silence the horn by pressing the RESET button If any alarm is configured to LATCH you must press
9. RESET again to unlatch alarms that are clear 1 9 Analog Retransmission The ANALOg REXMIT menu item allows you to configure the analog output option This prompt only appears if the Analog Retransmission Option has been provided For a complete descrip tion of the option see Section 2 2 1 10 Changing the Access Code The CHANGE ACCESS COdE menu item allows you to define a new access code 1 The CHANGE ACCESS CODE prompt appears Press ENTER The current Access Code appears 2 Press UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 3 Press NEXT to move to the next digit 4 After entering the Access Code press ENTER STORE d is dis played confirming your selection 5 Press NEXT to return to the top of the menu system or press RESET to exit the menu system If you forget the Access Code set the DIP switch SW2 pole 4 to the OFF position to disable the access code lockout A new Access Code can be entered as described above Lockout can be reactivated by turning switch 4 back on Section 2 2 0 Advanced Features 2 1 Switch Setting 5 DIP switches located on the bottom of the controller Various func tions are controlled by these switches See TABLE 4 for the function for each switch position See FIGURE 7 for a picture of the DIP Switch TABLE 4 DIP Switch Settings Pole 1 Analog Retransmission Calibration Pole 2 System Initialization and C
10. TER 3 Press UP ARROW or DOWN ARROW until CUSTOM CURVE appears Press ENTER STOREd is displayed con firming your selection 4 set a breakpoint press ENTER at the BP n prompt or press NEXT to move on to the next break point BP n 1 5 At INPUT at BP n prompt press ENTER 6 Press NEXT and UP ARROW or DOWN ARROW to set the location of BP n between 00 00 and 100 00 Press ENTER OKAY is displayed confirming your selection 7 At the dISPLAY at BP n prompt press ENTER 8 Press NEXT and UP ARROW or DOWN ARROW to set the display to the desired process value at BP n Press ENTER STOREd is displayed confirming your selection 9 If you have defined fewer than 17 breakpoints the ADD BREAKPOINT prompt appears Press ENTER to add another break point or press NEXT to return to the SETUP dISPLAY prompt 10 Repeat steps 4 through 9 until all the break points have been defined No two brealpoints can have the same input percentage but they can have the same output value There cannot be less than 2 or more than 17 breakpoints Use the WENT key to skip over breakpoints that do not need to be changed To delete breakpoints that have already been added set the process value above 100 at the INPUT at BP n prompt Use the RESET key to exit the custom curve configuration and return to the SETUP dISPLAY prompt Section 3 Question If my tank 8 10 feet deep should set my define maximum range to
11. XT repeatedly to navigate to ANALOG REXMIT 2 Press ENTER The resolution of the output signal is only as good as the resolution of the display and will never be better than 0 05 of the output span Card Configuration The DIP switches on the retransmission card are used for setting the out put range of the Card The final calibration is done through the menu system see sections 2 2 2 and 2 2 3 access the analog retransmission card unplug the two rear terminal blocks and remove the back plate Set the DIP Switches to configure the card for a maximum output of 5V 10V or 20mA See FIGURE 8 and TABLE 5 for DIP Switch settings The retransmitted signal does not have to be the same type of signal as the input e g a 0 10 V input can be retransmitted as a 4 20 mA signal 2 5V LS a at DEVAR INC 516127 0001 REVB ANALOG OUTPUT OUTPUT 5 10 20mA 10 LS 0 20 TTT FIGURE 8 Analog Retransmission Card TABLE 5 Output Settings 5 1 2 3 4 10V 2 1 3 4 20mA 3 4 1l 2 2 2 2 Set Output Values The user must define the process value that appears on the dis play to produce the minimum retransmitted output e g 4 mA and the process value that produces the maximum retransmitted output e g 20 mA 1 Navigate to the ANALOG REXMIT prompt and press ENTER 2 The dISPLY MIN OUTPUT prompt appears 3 Press ENTER The current setting appears 4 Press the UP
12. al The trip points should all be set to different values 1 ALTERNATION prompt appears Press ENTER The cur rent setting appears 2 Press the UP ARROW or DOWN ARROW to select dO NOT TOGGLE or dOES TOGGLE 3 Press ENTER to save the setting STOREd is displayed con firming your selection 1 6 10 Alarm or Pump Settings The ALARM or PUMP prompt allows you to label the channel that you are configuring as an alarm or as a pump control 1 The ALARM OR PUMP prompt appears Press ENTER current setting appears 2 Press the UP ARROW or DOWN ARROW to select PUMP or ALARM 3 Press ENTER to save the setting STOREd is displayed con firming your selection To configure channels 2 through 4 repeat the steps in the Alarm Settings Sections 1 6 to 1 6 10 1 7 1 7 2 Detecting Sensor Failure The DETECT SENSOR FAILUR menu item gives you the option to control the relay outputs if the sensor fails The DETECT SENSOR FAILUR prompt appears Press ENTER to enter the RELAY LOCK OUT menu Or press NEXT to move to HORN ACTION Relay Lock Out Setting The RELAY LOCK OUT prompt allows you to define the input values that indicate a faulty sensor and the state each relay will enter if the sensor fails The RELAY LOCK OUT prompt appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to select ENABLE or IGNORE Press ENTER to save the setting STOREd is displayed con firmi
13. alibration Pole 3 Audible Alarm Pole 4 Setup Protection Set switch to ON position to calibrate retransmission board see Adjust Output Signal Section 2 2 3 This switch position should always be in the OFF position NOTE Contact the factory for further information When set to the ON position the horn 5 enabled to sound When set to the ON position the controller checks the access code to verify the user can access the menu system ZO FIGURE 7 DIP SWITCH 2 2 2 2 1 Analog Retransmission Option The Analog Retransmission Option provides an analog output propor tional to the process variable being displayed by the controller e g the level in the tank The retransmitted output signal does not have to be the same as the input signal For example the controller could accept a 4 to 20 input and provide a 0 to 10 volt output The retransmitted signal 15 scaled with respect to the displayed process value Any linearization applied to the input is incorporated into the retransmitted signal The two process values that define the end points of the retransmitted signal are set using the menu system This allows the input and retransmitted signals to have differ ent ranges 1 e a 4 to 20 mA input could represent a level of 0 to 23 1 ft with the retransmission scaled to output 4 mA at 1 ft and 20 mA at 21 To access the menu to configure analog retransmission 1 Press NE
14. digits press ENTER to save the setting STOREd is displayed confirming your selection Reset Settings The RESET prompt allows you to set the point at which the pump turns off or the alarm resets 1 If you set the TRIP point to a higher value than the RESET point the alarm is configured as a high alarm if you set the trip point to a lower value than the RESET point it is configured as a low alarm Setting the TRIP and RESET points to the same value disables the channel and de energizes the relay The RESET 1 prompt appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the digits press ENTER to save the setting STOREd 15 displayed confirming your selection 1 6 3 Trip Delay Settings The TRIP dELAY prompt controls the length of time the process must remain beyond the TRIP value before activating the alarm control Delay times can be set from 0 to 240 seconds The TRIP dELAY 1 prompt appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection Reset Delay Settings The RESET dELAY prompt controls the length of time the process must r
15. display for a linear or nonlinear input curve This prompt defines how the unit reacts to the input signal 1 Press ENTER The current setting appears The factory default setting is LINEAR INPUT For more information about other settings see Section 2 3 Sections 1 4 4 and 1 4 5 are only for LINEAR INPUT 2 Press the UP ARROW or DOWN ARROW to change the current setting 3 Press ENTER to save the setting STOREd is displayed confirm ing your selection 1 4 4 Define Maximum Range The dEFINE MAX RANGE prompt allows you to set the process value to be displayed at the maximum input signal 1 Press ENTER The current setting appears 2 Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 3 Press NEXT to move to the next digit 4 After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection 1 4 5 Define Minimum Range The dEFINE MIN RANGE prompt allows you to set the process value to be displayed at the minimum input signal 1 Press ENTER The current setting appears 2 Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 3 Press NEXT to move to the next digit 4 After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection 1 5 Adjust Offset The AdJUST OFFSET menu item allows you to add or subtract a value from the display to accomm
16. e 22 Custom Input Curve 23 Frequently Asked Questions 25 Error Codes Troubleshooting 27 Specifications 28 Field Wiring 30 Warranty Information 32 NOTE See Book 2 Configuration Workbook Front Panel Features Displays the status of each channel RESET Click to silence the horn clear latched alarms and back out of the menu system NEXT Click to access the menu system and move to the next menu option UP DOWN ARROW KEYS Scroll through available options and change values ENTER Click to enter a menu item or accept a selection FIGURE 1 Model 3020 Front Panel These four characters These two characters display the process input are used for process or the trip point values descriptors or additional zeros FIGURE 2 Model 3020 Front Panel Display 3 58 FIGURE 3 Model 3020 Back Panel AL 1 AL 2 OOG Ave POWER 90 140 VAC 50 60 Hz OR 130 190 VDC 9 ArT NIA RELAYS AL 3 NIA Y Y 3 3 gt gt 2 2 AC NEUTRAL OR DC RETURN AC AC HOT OR DC FUSED LINE POWER AL 4 OOO 9100 FUSE 1 8 250V LITTELFUSE SERIES 230 INSTALLED ON PC BOARD NOT FIELD REPLACABLE WOO LNO OPTION OUT_COM OUT_B OUT_A Vout COMMON Vou
17. emain beyond the RESET value before de activat ing the alarm control Delay times can be set from 0 to 240 seconds The RESET dELAY 1 prompt appears Press ENTER The cur rent setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection Horn Settings The HORN prompt allows you to set each alarm to activate a horn The HORN 1 prompt appears Press ENTER The current set ting appears Press the UP ARROW or DOWN ARROW to select SILENT or SOUNd Press ENTER to save the setting STOREd is displayed con firming your selection 1 6 6 Latch Settings The LATCH prompt allows you to configure a channel to remain latched in the alarm state even after the input has returned to a non alarm condition 1 The LATCH 1 prompt appears Press ENTER The current set ting appears 2 Press the UP ARROW or DOWN ARROW to select NOT LATCH or dOES LATCH 3 Press ENTER to save the setting STOREd is displayed con firming your selection A latched alarm can be cleared by pressing the RESET button on the front panel see FIGURE 1 1 6 7 Flash Screen Settings The FLASH SCREEN prompt allows you to configure the controller to indicate a tripped condition by flashing the display 1 The FLASH SCREEN prompt appears Press ENTER The cur
18. etup procedure sections 1 4 through 1 4 3 At the INPUT OUTPUT CURVE prompt Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to select SQUARE ROOT Press ENTER DEFINE MAX RANGE appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection 2 32 Custom Input Curve The custom curve function allows you to approximate a nonlinear sig nal to process curve by using up to 16 straight line segments The straight line segments are defined by entering a series of break points labeled from BP 0 to BP 16 When entering break points first define at what percentage of the input the break point falls then define the desired process value at that break point Breakpoints can be locat ed between 0 and 100 of the input range Breakpoints that are locat ed at percentages above 100 will be removed from the list of active breakpoints Ifthere are less than 17 breakpoints more can be added by pressing ENTER at the ADD BREAKPOINT prompt Breakpoints can be edited or added in any order The program will sort the breakpoints into an ascending order after the entry is completed 1 Press NEXT until SETUP DISPLAY appears press ENTER 2 Press NEXT until INPUT OUTPUT CURVE appears Press EN
19. g Control Alarms Points 8 1 6 1 Trip SettingS 9 1 6 2 Reset Settings 9 1 6 3 Trip Delay Settings 10 1 6 4 Reset Delay Settings 10 1 6 5 Horn Settings 10 1 6 6 Latch Settings 11 1 6 7 Flash Screen Settings 11 1 6 8 Fail Safe Polarity Settings 12 16 9 Alternation Settings 13 1 6 10 Alarm or Pump Settings 13 1 7 Detecting Sensor Failure 14 Illustrations Figure 1 Front Panel cocos Figure 2 Front Panel Fig re 3 Back Panel Figure 4 Back Panel Connectors Figure 5 General Figure 6 Channel Indicators on Front Panel Figure 7 DIP Switch Figure 8 Analog Retransmission Log Figure 9 Rear Terminal Connections Figure 10 Field Wiring Connections 1 7 1 1 7 2 1 7 3 1 8 1 9 1 10 2 0 2 1 2 2 2 2 1 2 2 2 2 2 3 2 3 2 31 2 32 3 0 4 0 5 0 1 Relay Lock Out Setting 14 Limit SettingS 14 Relay Settings 15 Horn Action Settings 15 Analog Retransmission 16 Changing the Access Code 17 Advanced Features 18 DIP Switch Settings 18 Analog Retransmission Option19 Card Configuration 19 Set Output Values 20 Adjust Output Signal 21 Non Standard Inputs 22 Square Root Respons
20. he analog output is not a function of the input signal e g 4 to 20 mA but is defined by the tank levels which appear on the display If the display configuration is changed the analog retransmission will have to be recon figured Section 4 Error OVER OVER No A D EEPROMERROR DUPLICATE ENTRY NOT ENOUGH VALID BREAK POINTS DENIED Description Appears when trying to display a value outside of the numeric range of the meter i e greater than 9999 If this message appears verify that the input signal is valid that the input is wired correct ly and that the input defined at Select Input Type matches the signal being applied to the controller Appears when trying to display a value outside of the numeric range of the meter i e less than 1999 If this message appears verify that the input signal is valid that the input is wired correct ly and that the input defined at Select Input Type matches the signal being applied to the controller The analog to digital converter is not communi cating with the microcontroller If this message appears try cycling power to the unit If this does not solve the problem the unit has been dam aged and should be returned for repair The microcontroller is receiving invalid data from the EEPROM If this message appears try cycling power to the unit If this does not solve the problem the unit has been damaged and should be returned for repair When conf
21. iguring a custom input curve this message will appear if you attempt to define two breakpoints at the same input percentage When configuring a custom input curve this mes sage will appear if only one break point has been defined A custom curve can have any number of breakpoints between 2 and 17 This message appears if you have entered an invalid access code when trying to enter the menu system If you have forgotten the access code refer to Section 1 2 of this manual Section 5 Power Requirement Operating Temperature Dimensions Front Bezel Panel Cutout Overall Environmental Rating Weight Display User Input Output Relay Max Terminal Screw Torque Relay Operation Loop Power Supply Isolation Strength INPUT A D converter Reference Voltage Input Impedance Current Input Impedance 90 140VAC Single Phase 50 60Hz or 130 190VDC 10 VA max 0 to 70 48mm x 96mm W x 12mm 45mm H x 91mm W 48mm H x 96mm W x 166mm D Type 1 Splash resistant front panel 0 522Kg 1 15165 18 40z Six characters 0 54 high 15 segment Alpha Numeric high efficiency red LED Four button integrated membrane switch front panel keypad SPDT form C relays 1 Phase 7 5A at 240VAC 24VDC 1 3 HP at 120VAC 7 2 FLA HP at 240VAC 4 9 FLA 7 1 1 Relay de energizes on power failure which causes closure between P and NC An energized relay has closure between P and NO 2 A failsafe polari
22. ng your selection Limit Settings The LIMIT1 and LIMIT2 prompts allow you to specify the max imum and minimum input values that define a valid signal range The LIMIT1 prompt appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection Press NEXT Repeat the process for LIMIT 2 LIMIT 1 and LIMIT 2 define the limits of a valid input range Limits are specified in terms of the displayed process value not the electrical signal e g 11 5 ft not 20 mA It does not matter which LIMIT is used to represent the top or the bottom of the range 1 7 3 Relay Settings RELAY1 through RELAY4 prompts allow you to specify the state each relay will be placed in after an input failure is detected 1 The RELAY1 prompt appears Press ENTER The current set ting appears 2 Press the UP ARROW or DOWN ARROW to select TRIPPd or RESET 3 Press ENTER to save the setting STOREd is displayed con firming your selection 4 Press NEXT Repeat the process for the next relay 1 8 Horn Action Settings The horn will be enabled if DIP switch SW2 pole 3 is set to ON see section 2 1 The HORN ACTION menu item allows you to control how the hom reacts 1 what triggers it to sound and what causes it to
23. odate the location of the transmitter For example if the transmitter is on the bottom of the tank the setting is zero if the transmitter is 1 ft off the bottom the setting is one 1 Press ENTER The current setting appears 2 Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 3 Press NEXT to move to the next digit 4 After changing all the digits press ENTER to save the setting STOREd is displayed confirming your selection 5 Press NEXT 1 6 Setting Control or Alarms Points The Model 3020 has four control or alarm channels LEDs on the front panel indicate which channel s has been tripped See FIGURE 6 for an example of channels tripped on two pumps Indicates channels have been tripped on two pumps FIGURE 6 Channel indicators on the front panel 1 The PUMP 1 or ALARM 1 prompt appears Press ENTER to configure the channel 2 press NEXT to move to the next channel Each of the channels may be set to display PUMP or ALARM Each setting has the channel number as part of the prompt 1 6 1 Trip Settings The TRIP prompt allows you to set the point at which the pump turns on or the alarm trips 1 6 2 1 2 3 The TRIP 1 prompt appears Press ENTER The current setting appears Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit Press NEXT to move to the next digit After changing all the
24. oint Press ENTER The current setting appears as a flashing digit with the decimal point to the right of the digit factory setting 012 345 Press the UP ARROW or DOWN ARROW to move the dec imal point to the desired position After positioning the decimal point press ENTER STOREd is displayed confirming your selection Only the first four digits 0123 will actively display the input regardless of where the decimal point is placed When either 01234 5 or 012345 is selected as a decimal point position dummy zeros will occupy the 45 positions that would otherwise be used to display the label 1 4 2 Select the Process Label The PICK LABEL prompt allows you to set the two character process label 1 Press ENTER The current setting appears with a flashing char acter In this example XX is the current setting The flashing character 15 the character you can edit A blank space is also a valid character 2 Press the UP ARROW or DOWN ARROW to find the desired character Characters include numbers 0 through 9 upper and lower case letters and other characters as 0 etc or blank 3 To edit the next character press NEXT 4 Press UP ARROW or DOWN ARROW to find the desired character 5 Press ENTER to save the setting STOREd is displayed confirm ing your selection 1 4 3 Select the Input Output Curve The INPUT OUTPUT CURVE prompt allows you to configure the
25. t NC Isink mA return mA in NC Isource NC mA return mA out RS 232 COMMON Tx Rx RS 485 COMMON B A NOTE Isink EXTERNAL SUPPLY DRIVES LOOP Isource INTERNAL SUPPLY DRIVES LOOP FIGURE 4 Model 3020 Back Panel Connectors DEVAR Inc O AL1 Qaz O aa PLUG IN TERMINAL BLOCKS PANEL CUTOUT 92708 X 45 05 mm 3 622 902 X 1 772 000 INCHES FIGURE 5 Model 3020 General Dimensions Manual Guidelines Throughout this manual you will see words that represent the front panel push buttons and the menu prompts that appear the display TABLE 1 shows the graphics and text used to represent the buttons TABLE 1 Input Type Options NEXT NEXT ENTER UP ARROW or DOWN ARROW RESET RESET Section 1 1 0 1 1 Basic Use Configuration This section introduces you to the basic use of the Model 3020 Before you begin to configure your controller fill out the pre configuration Worksheet with the settings you will be using see Book 2 Page 5 For ease of configuration we recommend that you apply power to the controller and configure it at your desk prior to installation When power is first applied to the controller the screen displays the model number build date and other basic configuration parameters You can temporarily pause the startup message by pressing and holding any of the buttons After the startup message 15 displayed the 3020 becomes operational and the process input is displa
26. t signal for this calibration point is displayed 5 Press the UP ARROW or DOWN ARROW to increase or decrease the value of the flashing digit 6 Changing the value of the displayed number will cause a deci mal point to appear When the decimal point is present the number is in the edit mode and is no longer controlling the out put Pressing NEXT or ENTER will update the analog output and remove the decimal point 10 11 2 3 2 31 With the decimal point removed pressing NEXT moves to the next digit to edit Changing the number will cause the decimal point to reappear Pressing NEXT or ENTER will once again update the analog output and remove the decimal point Repeat steps 5 through 7 until the analog output reaches the proper value Press ENTER STOREd is displayed confirming your selection The TRIM MAX OUTPUT prompt appears Repeat steps 4 through 9 for the TRIM MAX OUTPUT menu item Non Standard Inputs A standard input is any input in which the displayed process varies linearly with the input signal A linear curve is defined by 15 two end points as described in sections 1 4 4 and 1 4 5 other inputs are nonstandard Square Root Response A square root response is a nonlinear curve in which the displayed process varies as the square root of the input signal The user must specify the top of range The starting point is always zero e g 4 to 20 mA represents 0 to 2000 gpm Follow the display s
27. t to the same value Yes This setting determines what happens if there is a loss of power to the controller Setting the failsafe to fail reset for a pump control will turn the pump off on power loss Setting the failsafe to fail tripped for an alarm will activate the alarm on power loss Question Why are the pumps being turned on when the con troller is not in the tripped state have nonlinear response programmed into the con troller Can compensate for a change in the position of the pressure transducer by using the adjust Offset function How can save time while navigating through the menu system Why did analog retransmission stop work ing properly after the con troller was reconfigured for a different tank level Answer The relay contacts may be wired incorrectly Relay action is affected by the failsafe polarity setting For fail tripped the pole and NC contact are closed in the tripped state For fail reset the pole and NO contact are closed in the tripped state No You must generate a new cus tom curve linearization table defining the relationship between the level and the shifted transduc er output Repeatedly press the NEXT button to skip past menu items that do not need to be changed Use the RESET button to jump from a sub menu prompt back to the main menu Use the RESET button to jump from the main menu back to displaying the measured process T
28. ther cause not related to a product defect Unauthorized product modification repair or attempted repair or serial number modification will void the warranty 2 DEVAR Inc 706 Bostwick Ave Bridgeport CT 06605 U S A 800 566 6822 www devarinc com MODEL 3020 Rev D
29. ty of FAIL TRIPPED de energizes the relay in the alarm tripped condition the LED is lit A fail safe polarity of FAIL RESET de energizes the relay in the non alarm reset condition the LED is dark 3 When enabled detected sensor failure will cause all relays to go to the selected states either tripped or reset 24V 100mA MAX 150mA short circuit 500 to input terminals or earth 24 bit Delta Sigma type 2 5V 15ppm C typical 1M Ohms 10 Ohms 3dB frequency Acceptable inputs Display update rate Accuracy INDICATION Displayable numeric range Scaling linear response Scaling square root response Linearization error Scaling custom curve OPTIONAL ANALOG RETRANSMISSION D A converter Available full scale outputs Accuracy relative to display AGENCY APPROVALS US 51 JB 12Hz 10 0 10V 0 5 1 5V 0 20mA 4 20mA 0 1 V 2 Hz 0 01 of span 1 count 1999 to 9999 with decimal point to right of any digit Define process values at minimum and maximum signal input Define process value at maximum signal input lt 0 5 for input below 1 of full scale lt 0 001 otherwise User defines 2 to 17 values at a percentage of input level 12 bits 5V 10V 20mA lt 0 05 of full scale output see secection 2 2 LISTED INDUSTRIAL CONTROL EQUIPMENT a Co OUT_COM gt lt O 3
30. yed The operating unit continuously scans the front panel switches for user input gt To enter into the menu system press NEXT The Peak and Valley menu item appears Peak and Valley PEAK AND VALLEY is the first menu item you will see This menu allows you to view and or clear the largest and smallest process values detected 1 Press ENTER The View Peak prompt appears 2 Press ENTER again to view the current Peak value 3 After viewing the value press NEXT The Clear Peak prompt appears If you want to clear the Peak value press ENTER STOREd is displayed confirming your selection If you do not want to clear the Peak value press NEXT The View Valley prompt appears Press ENTER to view the current Valley value After viewing the value press NEXT The Clear Valley prompt appears If you want to clear the Valley value press ENTER STOREd is displayed confirming your selection If you do not want to clear the Valley value press NEXT to return to view Peak and Valley Press NEXT again The Enter Access Code prompt appears When navigating through the menu system Press ENTER to enter a menu item 6 Press NEXT to move to the next menu item Press RESET to exit a menu item 1 2 Enter Access Code The ENTER ACCESS COdE menu item allows you to enter the configuration menu and prevents unauthorized modification of the meter configuration This menu item only appears if the DIP switch SW2
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