Mercoid MPC Jr Level Controller Manual PDF
Contents
1. Factory default is OFF 1 99 Maximum time between host computer accesses If timer counts to 0 CHEC LorE will be displayed OFF No Activity Timer function is disabled 20 DIAGNOSTIC ERROR MESSAGES DISPLAY MEANING SP OUTPUTS No display lighted Display is blank Instrument is not getting power or the supply voltage is too low Fail test appears upon power up if the internal diagnostics detect a failure This message may occur during operation if a failure is detected Displays flash This message appears if the Serial Communications has timed out Set point outputs inactive Alarms inactive Set point outputs inactive Alarms inactive Set point outputs active Alarms inactive 21 ACTION REQUIRED Check that the power supply is on or that the external fuses are good The display alternates between FAIL tESt and one of the following messages FAL dFLt Memory may be corrupted Press the ENTER key and the DOWN ARROW key to start the factory default procedure Recheck controller programming rE FAC Unrecoverable error return to factory for service Restore the communications line and switch the LorE to LOC DIAGNOSTIC ERROR MESSAGES DISPLAY MEANING SP OUTPUTS CHEC CAL ArEA Alternates with PV Underflow or Overflow Process value has exceeded input range ends Check calibration appears as an alternating message if the instrument calibration near2. High and Low Alarms Both AcLo and AcHi appear in the Secondary Menu and share the same Alarm 2 Relay output If ALE is set to GFFthe remaining A2 alarm 2 menu items do not appear Act Alarm 2 Type Select Ab5 or dE Factory default is AbS AbS Absolute Alarm that may be set anywhere within the values of SCALand SCAH and is independent of SPiH dE Deviation Alarm that may be set as an offset from SPiH As SPiH is changed the Alarm Point will track with SPIH RerE Alarm 2 Reset Select OnGF or Hold Factory default is OnOF DnDF Automatic Reset Hold Manual Reset Reset acknowledge by simultaneously pressing the G INDEX amp ES DOWN ARROW keys for 5 seconds ACPi Alarm 2 Power Interrupt Select On or GFF Factory default is OFF Bn Alarm Power Interrupt is ON OFF Alarm Power Interrupt is OFF Re iH Alarm 2 Inhibit Select On or GFF Factory default is OFF On Alarm Inhibit is On Alarm action is suspended until the process value first enters a non alarm condition OFF Alarm Inhibit is OFF Rest Alarm 2 Output State Select LOS or OPEn Factory default is CLOS CLOS Closes Contacts at Alarm Set Point GPEn Opens Contacts at Alarm Set Point AeLP Alarm 2 Lamp Select D on or DoFF Factory default is 0 on 0 on Alarm Lamp is ON when alarm contact is closed DoFF Alarm Lamp is OFF when alarm contact is closed Fil Digital Filter Select OFF or 1 to 99 In some cases the time constant of the sensor or noise could cause the
3. U U U U U a 90 9 Line Input 75 Lom Pumpi Pump2 100 to 240 VAC NOTE 15 VDC 50 400 Hz Single PH i 132 to 240 VDC 5VA 1 For supply connections MAX Output Ratings Use No 16 AWG or larger Relay 10A 240 VAC RES wires rated for at least 75 C 1 4 HP 120 VAC or in accordance with an 1 3 HP 240 VAC equivalent national standard Alarm 3A 240 VAC RES 2 Maximum ambient temperature PD 240VA 120 240 VAC rating 131 F 55 C SW Volt 15 VDC 20 mA 3 Use copper conductors only 4 Terminals 1 5 10 12 amp 21 32 erminals 1 5 T are class 2 SELV WIRING FOR TRANSMITTER INPUTS USING INTEGRAL POWER SUPPLY Wire power and outputs as shown on previous page Wiring for two wire transmitters shown below in Figure 3 All wiring shown in Figure 3 is Class 2 Figure 3 Transmitter Wiring Use of a fuse 1 8W Fast Blow in the loop is recommended to protect the control input circuitry Connect Transmitter Plus to terminal 11 Ni aa Ear O Connect Jumper between terminals 3 and 12 U Connect Transmitter Minus to terminal 5 U Level Transmitter Qu 27pal2e qfar EJ of For three or four wire transmitters follow the wiring instructions provided with your transmitter DO NOT wire the 24 Volt Power Supply across the input of the control Damage to the control input circuitry will result USE OF
4. must follow industry standard practice for control and protection against Electro Static Discharge ESD Failure to exercise good ESD practices may cause damage to the instrument WIRING Do not run transmitter wiring or other Class 2 wiring in the same conduit as power leads Use only the probe or transmitter for which the control has been programmed Maintain separation between wiring of sensor auxiliary in or out and other wiring See the Secure Menu for input selection Supply connections should be made in accordance with the National Electrical Code per Article 300 and local regulations All line voltage output circuits must have a common disconnect and be connected to the same pole of the disconnect Input wiring for probe or transmitter is rated CLASS 2 Control wiring is as shown in Figure 2 below Figure 2 Wiring Option RV RC E RA eee ee m D 11211221123 24 25 26 11 O le az sy m Voltage 2 RELAY 49 amp SSR 0 Isolated pee current NC 13 ar ump Current 4 COM 14 gt c Output 9 5 O N 00 15 J se 6 N 0 N C 16 f D Contacts age Es Pump 2 gt 7 COM COM 17 gt Output Alarms 2f 8 N 0 O N 0 18 E Contacts g COM 19 10 27 28 29 30 31 32 20 lt j U
5. 25 32 13 5 95 9 T y y 3 19 32 91 3 PA E Mercojd PUMP CONTROLLER H MAX PANEL THICKNESS 0 25 6 35 SPECIFICATIONS Inputs 0 or 4 to 20 mA DC or 0 or 2 0 to 10 0 VDC selectable Input Impedance Current input 10 ohms Voltage input 5K ohms Output Ratings Control Relays SPDT rated 10A 240 VAC res 1 4 hp 0120 VAC 1 3 hp 240 VAC Alarm Relays SPST 3A 240 VAC res 1 10 hp 120 VAC Other 15 VDC 20 mA for output one and output two Control Type On off reverse or direct acting Power Requirements 100 to 240 VAC nominal 10 15 50 to 400 Hz single phase 132 to 240 VDC nominal 10 15 Power Consumption 7 5 VA maximum Accuracy 0 25 of span 1 least significant digit Display Two 4 digit 7 segment 0 56 high LED s Display Resolution 1 count Memory Backup Nonvolatile memory no batteries required Serial Communications Optional RS 232 or RS 485 with Modbus protocol Ambient Operating Temperature RH 14 to 131 F 10 to 55 C 0 to 90 up to 104 F 40 C non condensing 10 to 50 at 131 F 55 C non condensing Weight 16 oz 454 g Front Panel Rating Meets UL Type 4X IP66 Loop Power Supply isolated 24 VDC 50 mA regulated Alarm On Off Differential 1 count Set Point Range Selectable Power Voltage Stability 0 05 over the power voltage range Temperature Stability 100 ppm C typical 200 ppm C maximum Common Mode Rejection 140 db mini
6. AND ACTION CAUTION In any critical application where failure could cause expensive product loss or endanger personal safety a redundant limit controller is required When setting an alarm value for an absolute alarm Alt AbS or Act Ab5 simply set the value at which the alarm is to occur When setting the alarm value for a deviation alarm Alt dE or Act dE set the difference in value from the Set Point 5P1H desired Since the input for the MPCUJR is driven from a transmitter the input display can be programmed in different ways Regardless of the position of the decimal point a change of one in the right most digit is referred to as a count For example if there were no decimal point selected a change from 235 to 236 is a change of one count If the decimal point were selected at 0 0 a change of 23 5 to 23 6 is a change of one count The following diagram below shows the action and reset functions for both absolute and deviation alarms ABSOLUTE ALARMS DEVIATION F AfHI 7 HIGH ALARMS rm HIGH ALARMS A AH SP men pao Ee LOW ALARMS ir LOW ALARNS ALO f SP D D AFLO AHI HIGH NDL EAT HIGH kr ro i T AJLO AgHI sP Aura oF qu ee nee When setting up an alarm for deviation the deviation is set in counts For example if a low alarm is required to be 5 counts below the SP1H then set A Lo to 5 If a high alarm is required 20 counts above the 5F1H then set A Hi to 20 If SPIH is chan
7. Alarm 1 Function selectable off lo hi or hilo AbS Alarm Type 1 selectable abs absolute or de deviation OnDF Alarm 1 Reset selectable onof auto or hold manual OFF Alarm 1 Power Interrupt selectable on or off Alarm 1 Inhibit selectable on or off Alarm 1 Output State selectable close or open Alarm 1 Lamp condition when contact is closed selectable on or off Alarm 2 function selectable off lo hi or hilo Alarm 2 Type selectable abs absolute or de deviation Here Alarm 2 Reset selectable onof auto or hold manual AePi Alarm 2 Power Interrupt selectable on or off AciH Alarm 2 Inhibit selectable on or off AcSt Alarm 2 Output State selectable close or open AeULP Alarm 2 Lamp condition when contact is closed selectable on or off FILt Digital Filter Process Output Low default is in feet Mercoid E MERCOID A Division of Dwyer Instruments Inc P O BOX 258 MICHIGAN CITY INDIANA 46361 U S A Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com O Copyright 2013 Dwyer Instruments Inc Process Output High default is in feet e mail lit dwyer inst com Printed in U S A 5 13 FRA M1 443341 00 Rev 3
8. Bulletin L 21 Series MPCJR Pump Controller Installation and Operating Manual CE LISTED MERCOID A Division of Dwyer Instruments Inc Mercoid P O BOX 258 MICHIGAN CITY INDIANA 46361 U S A Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com e mail lit dwyer inst com FRA M1 443341 00 Rev 3 CONTENTS DIMENSIONS rl a Ab 1 Specifications cio a ri adds 2 Getting State vicios io ri A ee A RA A A 3 M delildentincatlio Meres raia a Be ooh E Spleens ly od ue ap ed ap ee E 3 Installations i e he eee A ee OS ae ee e s 4 WINN eo nn rinda 5 7 Front Panel FUNCIONS cuecen Ear a a RA E 8 9 Home Display vicodin aaa be arate 9 Security Level Selection 22s ce sheeleecetes deve ta a se dae Ske E eee 10 Lead Lag Operation 0 2206 eerdae dive bere dee gd ee ee sce deeds ae Geet ee 11 Analog Retransmission Operation 0 0 tee 12 Serial Communication Operation 0 0 00 cet eae 13 Menu Selectos Fai Sais sien id abe oH lS EE Sle Sete a 14 SECONAAY MENU esans RA Ba Rae ee ale elated a teenage ee 14 Secure MENU tee Rakai She Lhe a bl awe Ao ie Tad a 15 20 Alarm Type ANACO venc0 cant everett ante es are cae wee ae a e 17 19 Diagnostic Error Messages sii iii ai eer hid Ae 21 22 Programming Chart sr 2 scre2cteeermeda seein ae 23 24 Programming Example sii specail oe Gate eeu ie 25 27 DIMENSIONS i A 17 82 114 3 3
9. OGRAMMING CHART MENU DEFAULT SET AT DESCRIPTION 23 1 b 0 Set Point 1 value default is in feet p 3 0 Set Point 1 off value default is in feet Secondary 23 1 12 0 Set Point 2 value default is in feet 6 1 4 0 Set Point 2 off value default is in feet 23 1 Alarm 1 high value default is in feet 2 0 10 Alarm 2 low value default is in feet 25 EXAMPLE PROGRAMMING CHART continued DEFAULT q DESCRIPTION Security Selection Curr Input selectable current or voltage 0 0 Input Correction On Lead Lag selectable on or off OFF Zero Suppression selectable on or off 0 0 Decimal Point Positioning XX Peak highest input value seen since last reset XX Valley lowest input value seen EEN Scale Low value default is in feet 23 Scale High value default is in feet 5 1 Set Point Low value default is in feet since last reset esl Set Point High value default is in feet POut Set Point 1 State selectable POut Pumping Out or Pin Pumping In Set Point 1 Lamp Condition when contact is closed selectable on or off Set Point 2 State selectable POut Pumping Out Pln Pumping In or off 26 Set Point 2 Lamp Condition when contact is closed selectable on or off EXAMPLE PROGRAMMING CHART continued DEFAULT SET AT DESCRIPTION Hi Hi
10. RANSMIT 7 GROUND 3 RECEIVE 8 DCD a gt 4 RTS 20 DTR 6 46 5 CTS as A A e gt ch Positions RS 232 DB 9 WIRING Option 485 oP Swit ositions i7 VIEWED FROM WIRE SIDE Half Duplex Full Duplex DATA OUT 32 DATA IN 30 ala ON aa DATA GROUND 31 9 OFF PIN DESCRIPTION 23456 123456 1 DED Syg C 10 27 28 29 30 31 32 3 DRANSMIT C U U U U U U O 5 GROUND 6 DSR 7 RTS 8 CTS Terminal 29 30 31 32 Option 485 Y receive Z receive A transmit B transmit Option 232 not used data out data ground data in For half duplex operation wire only A and B Do not connect to Y and Z FRONT PANEL FUNCTIONS Alarm Lamps M P Cuunior Pump 1 On Lamp Pump 2 On Lamp Level Display SETPOINT 1st Set Point Display Mercoid PUMP CONTROLLER E Key functions are as follows woe INDEX Pressing the S INDEX key advances the display to the next menu item May also be used in conjunction with other keys as noted below Ger ARROW Increments a value changes a menu item or selects the item to ON The maximum value obtainable is 9999 regardless of decimal point placement UP ARROW amp ENTER Pressing these keys simultaneously brings up the secondary menu starting at the SPIH menu item Pressing these keys for 5 seconds will bring up the secure menu ENTER EA DOWN ARROW Decrements a value changes a menu item or selects the item to OFF The minimum value obtainable is 1999 re
11. SNUBBERS WITH INDUCTIVE LOADS E _ 3 44 COIL OF RELAY OR MOTOR STARTER SWITCHED AC 3 8 E a FROM CONTROLLER 7 8 4 SNUBBER PHYSICAL CHARACTERISTICS TYPICAL A snubber is a resistance capacitance device that is used to reduce or eliminate high voltage spikes generated from inductive loads For best effect the snubber should be mounted as close to the coil as physically possible Electrical and typical physical characteristics are shown above Failure to use a snubber on an inductive load may cause erratic operation and or premature relay contact wear 6 WIRING FOR 485 AND 232 SERIAL COMMUNICATION OPTIONS Wire power and outputs as shown on page 5 Wiring for options is shown in Figure 4 below All wiring shown below is Class 2 Shielded twisted pair is recommended for Option 485 DO NOT run signal wiring in the same conduit or chase as the power wiring Erratic operation or damage to the control circuitry will result Figure 4 Wiring for Options gt n n 7 DB 25 WIRING 1 NN VIEWED FROM WIRE SIDE 21 22 23 24 25 26 11 DATA IN 30 gt A DATAOUT 32 2 12 DATA GROUND 31 E gt 3 13 F a 14 PIN DESCRIPTION PIN DESCRIPTION E gt 1 SHIELD 6 DSR 5 2 T
12. amp SP1H s Value displayed DEFAULT SET AT DESCRIPTION 23 1 Set Point 1 value default is in feet De Set Point 1 off value default is in feet 23 1 Set Point 2 value default is in feet B Set Point 2 off value default is in feet 23 1 Alarm 1 high value default is in feet 2 0 Alarm 2 low value default is in feet DEFAULT SETAT DESCRIPTION Security Selection Input selectable current or voltage Input Correction Lead Lag selectable on or off Zero Suppression selectable on or off Decimal Point Positioning Peak highest input value seen since last reset Valley lowest input value seen Scale Low value default is in feet Scale High value default is in feet Set Point Low value default is in feet since last reset Set Point High value default is in feet Set Point 1 State selectable POut Pumping Out or PIn Pumping In Set Point 1 Lamp Condition when contact is closed selectable on or off Set Point 2 State selectable POut Pumping Out Pin Pumping In or off Set Point 2 Lamp Condition when contact is closed selectable on or off Continued on next page 23 DEFAULT SET AT DESCRIPTION Hi Alarm 1 Function selectable off lo hi or hilo Alarm Type 1 selectable abs absolute or de deviation Alarm 1 Reset selectable onof auto or hold manual Alarm 1 Power Interrupt selec
13. display to jump enough to be unreadable If this value is set too high controllability will suffer Factory default is 3 The remaining menu items appear if the corresponding option was purchased with the control POL POH LOTE Addr bAUd nA Analog Retransmission Output see page 13 Process Output Low Select 1999 counts to any value less than POH Factory default is 5 1 Analog Retransmission Output see page 13 Process Output High Select from any value greater than POL to 9999 counts Factory default is 23 1 Option 232 and 485 Serial Communications Local Remote Status Select LOC or rE Factory default is rE LOC The host computer is advised not to send remote commands Any write commands sent to the controls will be rejected rE The host computer is allowed to send write commands If the control is not addressed within the time set in the nA No Activity Timer see Secure Menu the CHEC LorE error message will be displayed Option 232 or 485 Serial Communications Control Address Set from 1to FF This number hexadecimal base 16 must match the address number used by the host computer Factory default is 32 Option 232 or 485 Serial Communications Communication Baud Rate Select 300 1200 2400 4800 9b00 or 19200 This number must match the baud rate used by the host computer Factory default is 9500 Option 232 or 485 Serial Communications No Activity Timer Set from OFF ori to99 minutes
14. gardless of decimal point placement MPA ENTER The ENTER key is used to store the value of menu items once they are changed to a new value If the ENTER key is not pressed after changing the value the item will revert to previously stored value E noex amp DOWN ARROW Pressing these keys simultaneously will allow backing up one menu item or if at the first menu item they will cause the display to return to the primary menu If an alarm condition has occurred these keys may be used to reset the alarm o INDEX amp ENTER Pressing these keys simultaneously and holding them for 5 seconds allows recovery from the various error messages The following menu items will be reset ALiH Alarm inhibit CHEC CAL Check calibration error Correct the problems associated with the above conditions before using these reset keys More than one error could be present Caution is advised since several items are reset at one time The Home Display The home display is the normal display while the control is operating If no errors or functions are active the HOME display will indicate the Process Variable the level that is being measured on the top display and the SPIH value Pump 1 On Set Point on the bottom display Error messages may over ride the HOME display See ERROR MESSAGES on pages 21 and 22 While in the Secondary Menu if no key is pressed for a period of 30 seconds the display will return to the HOME position displaying
15. ge AL AlrE AIPi Ali AlSt Alarm 1 Type Select Ab5 or dE Factory default is AbS AbS Absolute Alarm that may be set anywhere within the values of SEAL and SCAH and is independent of SPIH dE Deviation Alarm that may be set as an offset from 5P1H As SPIH is changed the Alarm Point will track with SP1H Alarm 1 Reset Select On0F or Hold Factory default is OnOF DOnDF Automatic Reset Hold Manual Reset Reset acknowledge by simultaneously pressing the S INDEX amp a DOWN ARROW keys for 5 seconds Alarm 1 Power Interrupt Select Gn or GFF Factory default is OFF On Alarm Power Interrupt is Gn OFF Alarm Power Interrupt is OFF Alarm 1 Inhibit Select Un or OFF Factory default is OFF On Alarm Inhibit is On Alarm action is suspended until the process value first enters a non alarm condition OFF Alarm Inhibit is OFF Alarm 1 Output State Select CLOS or GPEn Factory default is CLOS CLOS Closes Contacts at Alarm Set Point DPEn Opens Contacts at Alarm Set Point 18 AILP Alarm 1 Lamp Select 0 on or DoFF Factory default is 0 on D on Alarm Lamp is ON when alarm contact is closed DoFF Alarm Lamp is OFF when alarm contact is closed ALe Alarm 2 function Select OFF Lo Hi or HiLo Factory default is Lo OFF Alarm 2 is disabled No Alarm 2 menu items appear in the Secondary or Secure menus Lo Low Alarm Only A2Lo appears in the Secondary Menu Hi High Alarm Only AHi appears in the Secondary Menu HiLo
16. ged the alarm will continue to hold the same relationship as originally set When Alarm Power Interrupt A Pi is programmed ON and Alarm Reset A rE is programmed for Hold the alarm will automatically reset upon a power failure and subsequent restoration if no alarm condition is present If Alarm Inhibit A iH is selected ON an alarm condition is suspended upon power up until the process value passes through the alarm set point once Alarm inhibit can be restored as if a power up took place by pressing both the S INDEX and ENTER keys for 5 seconds 17 WARNING IF INHIBIT IS ON AND A POWER FAILURE OCCURS DURING A HIGH ALARM RESTORATION OF POWER WILL NOT CAUSE THE ALARM TO OCCUR IF THE PROCESS VALUE DOES NOT FIRST DROP BELOW THE HIGH ALARM SETTING DO NOT USE THE ALARM INHIBIT FEATURE IF A HAZARD IS CREATED BY THIS ACTION BE SURE TO TEST ALL COMBINATIONS OF HIGH AND LOW ALARM INHIBIT ACTIONS BEFORE PLACING CONTROL INTO OPERATION The following menu items apply only to the alarms AL Alarm 1 function Select OFF Lo Hi or HiLo Factory default is Hi OFF Alarm 1 is disabled No Alarm 1 menu items appear in the Secondary or Secure menus Lo Low Alarm Only AlLo appears in the Secondary Menu Hi High Alarm Only AIHi appears in the Secondary Menu HiLo High and Low Alarms Both AlLo and AlHi appear in the Secondary Menu and share the same Alarm 1 Relay output If HL is set to GFF go to ALe on the next pa
17. input O to 10 VDC RC Analog retransmission of input O or 4 to 20 mA Input Ranges Process Input Types The 0 to 20 mA DC 4 to 20 mA DC 0 to 10 VDC and 2 to 10 VDC inputs are fully scalable from a minimum of 100 count span placed anywhere within the range of 1999 to 9999 Decimal point position is adjustable from the zero place 9999 tenths 999 9 hundredths 99 99 or thousandths 9 999 INSTALLATION Mount the instrument in a location that will not be subject to excessive temperature shock or vibration see Specifications for specific tolerances All models are designed for mounting in an enclosed panel Select the position desired for the instrument on the panel Prepare the panel by cutting and deburring the required opening From the front of the panel slide the housing through the cut out The housing gasket should be against the housing flange before installing From the rear of the panel slide the mounting collar over the housing Hold the housing with one hand and using the other hand push the collar evenly against the panel until the springs are compressed The ratchets will hold the mounting collar and housing in place Figure 1 Panel Cut Out Dimensions Panel cut out 3 620 x 3 620 in 0 032 0 000 92 x 92 mm 0 8 0 0 CAUTION It is not necessary to remove the instrument chassis from the housing for installation If the instrument chassis is removed from the housing you
18. l POH Maximum possible analog output Maximum desired analog signal K Highest desired analog reading POL Lowest desired scale reading Minimum desired analog output K Operation is automatic There are no further programming steps required OPTION 232 485 SERIAL COMMUNICATION OPERATION The serial communications options allow the control to be written to and read from a remote computer or other similar digital device Communication is allowed either through a RS 485 Option 485 port or a RS 232 Option 232 port Wire the communication lines as shown on Page 7 Wiring for the RS 485 is run from control to control in a daisy chain fashion with a termination resistor 120 ohms across the transmit and receive terminals of the last control in the chain Set the RS 485 DIP switch for half or full duplex as appropriate for your application The DIP switch is located on the communications board plugged into the center of the bottom board of the control Select the control address and communication baud rate with the Addr and bAUd menu items in the Secure Menu THE BAUD RATE AND ADDRESS MENU ITEMS WILL TAKE EFFECT ON THE NEXT POWER UP OF THE CONTROL BE SURE TO POWER CYCLE THE CONTROL BEFORE USING THE NEW BAUD RATE AND ADDRESS In operation you have the option of preventing a write command from the host computer To prevent the host from writing to the control change the LGrE menu item in the Secondary Menu to LOC To allow
19. mum at 60 Hz Normal Mode Rejection 65 db typical 60 db at 60 Hz Isolation Relay 1500 VAC to all other inputs and outputs 24 VDC Loop Power 500 VAC to other inputs and outputs Process Output 500 VAC to other inputs and outputs Storage Temperature 40 to 176 F 40 to 80 C Agency Approvals UL 508 CE Modbus is a registered trademark of Schnieder Automation 2 GETTING STARTED 1 Install the control as described on page 4 2 Wire the control following the instructions on pages 5 through 7 Page 5 contains basic wiring for the control If using the Series MPCJR s transmitter power supply follow the additional directions on page 6 Wiring instructions for the 232 and 485 series communication options is included on page 7 3 Familiarize yourself with the front key pad functions and read the menu structure prior to starting the programming process A programming chart with the menu structure and spaces to write your programming values is included on pages 26 through 28 This chart can be a helpful tool to save time in programming For further assistance programming examples are included on pages 28 through 31 MODEL IDENTIFICATION Model MPCJR Options Options 232 RS 232 Modus RTU Serial Communications Allows remote computer to read and write all control parameters 485 RS 485 Modbus RTU Serial Communications Allows remote computer to read and write all control parameters RV Analog retransmission of
20. n the most efficient manner possible The controller has a lead lag feature that allows two pumps to operate in an alternating fashion to minimize wear The Mercoid MPCJR pump controller has a pair of set points each for pump 1 and pump 2 If the lead lag feature is turned off SPIH and 5PIL control pump 1 and SP2H and SPeL control pump 2 If the lead lag feature is turned on pumps 1 and 2 will be controlled in the alternating fashion described below In all cases the P1 lamp will indicate activity of pump 1 and the P2 lamp will indicate activity of pump 2 The lead lag operation is set in the Secure menu with the item LdLo Lead Lag On After installation set the SPIH to the high level pump on point for standard operation Set SPiLto the low level pump off point Set the SP2H to the level where you want BOTH pumps to turn on emergency pump on Set the SP2L to the level where you want the second pump to turn off emergency pump off The controller will not allow you to set SPIH below SPIL SPIL above SPIH SPH below S5P2L or 5P2L above 5P2H The controller will not allow you to set any set point or alarm point above or below the programmed scale No error messages are generated The displayed value will stop at an allowable point just above or below as the case may be the maximum or minimum allowed In normal operation when the 5F1H point is reached one of the pumps will turn on When lead lag is turned on pumps 1 and 2 will alte
21. ng range is 1999 to 9999 counts Factory Default is 5 7 SCAH Scale High Select 100 to 9999 counts above SCAL The total span between SCAL and SC AH must be within 11998 counts Maximum setting range is 1999 to 9999 counts Factory Default is 23 1 SPL Set Point Low Select from the lowest input range value to 5PH value This will set the minimum SPIL or SPL value that can be entered The value for SPIL or SP2L will stop moving when this value is reached Factory Default is 5 7 SPH Set Point High Select from the highest input range value to SPL value This will set the maximum SP1H or SPH value that can be entered The value for SPIH or SP2H will stop moving when this value is reached Factory Default is 23 1 515 Set Point 1 State Select P in or POut Factory default is POut P in Pump In Direct Action As the input increases the output will increase POut Pump Out Reverse Action As the input increases the output will decrease SILP P1 Lamp Select 0 on or GoFF Factory default is 0 on 4 on Lamp ON when Output is ON DoFF Lamp OFF when Output is ON 525 Set Point 2 State Select P in POut or OFF Factory default is POu P in Pump In Direct Action As the input increases the output will increase POut Pump Out Reverse Action As the input increases the output will decrease SeLP P2 Lamp Select 0 on or DoFF Factory default is 0 on 0 on Lamp ON when Output is ON DoFF Lamp OFF when Output is ON ALARM TYPE
22. rnate If the level reaches the SPeH point both pumps will be turned on until the SP2L point is reached where one of the pumps will turn off When 5PIL is reached remaining running pump will turn off The last pump off will not be the next pump on Lead Lag Off If lead lag is turned off SPIH and SPIL control pump 1 and SPeH and S5PeL control pump 2 There is no alternating function OPERATION RV RC ISOLATED ANALOG RETRANSMISSION The analog retransmission option allows the Process Variable or the Set Variable to be sent as an analog signal to an external device The signal may be either 0 to 10 VDC Option RV or O or 4 to 20 mA DC Option RC The output may be changed in the field from one to the other by the toggle switch located on the top printed circuit board Wire the output as shown on page 5 To set up the analog retransmission first determine the scale range that the analog signal will represent The maximum scale is 9999 counts In the Secondary Menu set POL for the the scale value that will be represented by the low end of the analog signal 0 Volts or 0 mA Set POH for the scale value that will be represented by the high end of the analog signal 10 Volts or 20 mA If you require a suppressed scale or output you may use the following equations to determine the proper settings for POL and POH K Highest desired scale reading Lowest desired scale reading Maximum desired analog signal Minimum desired analog signa
23. rrection Select 500 counts This feature allows the input value to be changed to agree with an external reference or to compensate for sensor error Note InPC is reset to zero when the input type is changed or when decimal position is changed Lead Lag Select Gn or OFF Factory default is Un See page 11 On The Lead Lag function is enabled The outputs of 5P1 and 5P2 will alternate OFF The Lead Lag function is disabled Zero Suppression Select Gn or OFF Factory default is OFF OFF The input range will start at O zero Input On The input range will start at 4 00 mA or 2 00 V Decimal Point Positioning Select 0 0 0 0 00 or 0 000 All Menu items related to the input will be affected Factory default is 0 0 The Peak feature stores the highest input the control has measured since the last reset or Power On At Power On PER is reset to the present input To manually reset the value PEA must be in the lower display Press the wren ENTER key to reset PER will be reset and display the present input value The Valley feature stores the lowest input the Controller has measured since the last reset or Power On At Power On UAL is reset to the present input To manually reset the value UAL must be in the lower display Press the ENTER key UAL will be reset and display the present input value 15 SEAL Scale Low Select 100 to 9999 counts below SCAH The total span between SEAL and SCAH must be within 11998 counts Maximum setti
24. s tolerance edges Check calibration appears as a flashing message if the instrument calibration exceeds specification This message appears if the ambient temperature of the control approaches the ends of tolerance This message appears if the ambient temperature of the control is out of range or RJC sensor is broken Set point outputs active Alarms active Set point outputs active Alarms active Set point outputs inactive Alarms active Set point outputs active Alarm active Set point outputs active Alarms active 22 ACTION REQUIRED Input signals may normally go above or below range ends If not check input and correct Remove the instrument for service and or recalibration To reset use the INDEX amp ENTER keys Remove the instrument for service and or recalibration To reset use the INDEX amp ENTER keys Correct the ambient temperature conditions Ventilate the area of the cabinet or check for clogged filters If RUC broken return to factory for service Correct the ambient temperature conditions Ventilate the area of the cabinet or check for clogged filters If RJC broken return to factory for service PROGRAMMING CHART Use the charts on this and the next page to record the values in your application You may want to photocopy the pages if you plan to make programming changes ITEM DEFAULT SET AT DESCRIPTION PU SP IH Home Position Process Variable
25. t is also used before a group of characters of a menu item to indicate that there may be more than one selection or value for that menu item Secondary Menu Press te EA UP ARROW and i Enter keys to start the menu Press woe INDEX to advance to the next menu item Press UP ARROW or ES DOWN ARROW to change the value in the display Press wren ENTER to retain the value SPIH Pump 1 On Set Point Factory Default 23 1 feet SPIL Pump 1 Off Set Point Factory Default 5 1 feet SPeH Pump 2 On Set Point Factory Default 23 1 feet SPeL Pump 2 Off Set Point Factory Default 5 1 feet AlHi Alarm 1 High Factory Default 23 1 feet AcLo Alarm 2 Low Factory Default 2 0 feet Secure Menu Press the Ea UP ARROW and wren Enter keys for 5 Seconds to start the menu Press E INDEX to advance to the next menu item Press E UP ARROW or Moon ARROW to change the value in the display Press ES JENTER to retain the value OUTPUTS ARE DISABLED TURNED OFF WHILE CONTROL IS IN THE SECURE MENU SECr InPC LdLg OSUP dPT PEA UAL Security Code See the Security Level Selection and the Password Table on page 10 in order to enter the correct password Factory Default is 4 Input Type Select one of the following Refer to the Input wiring section for the proper wiring Factory Default is Curr Eurr DC Current Input 0 0 to 20 0 or 4 0 to 20 0 mA UOL DC Voltage Input 0 0 to 10 0 or 2 0 to 10 0 volts Reserved Input Co
26. table on or off Alarm 1 Inhibit selectable on or off Alarm 1 Output State selectable close or open Alarm 1 Lamp condition when contact is closed selectable on or off Alarm 2 function selectable off lo hi or hilo Alarm 2 Type selectable abs absolute or de deviation Alarm 2 Reset selectable onof auto or hold manual Alarm 2 Power Interrupt selectable on or off Alarm 2 Inhibit selectable on or off Alarm 2 Output State selectable close or open Alarm 2 Lamp condition when contact is closed selectable on or off Digital Filter Process Output Low default is in feet Process Output High default is in feet Local Remote for computer communications Control Address for computer communications Baud Rate for computer communications No Activity Timer for computer communications Store Menu for Hi speed writes selectable yes or no 24 PROGRAMMIMG EXAMPLE Example e Keep Empty two pump duplex e Depth 25 feet e Pump 1 Start at 6 feet High level Stop at 3 feet Alarm Pump 2 Start at 12 feet Stop at 9 feet e Low level alarm 1 foot fixed auto reset Start 2 e High level alarm 20 feet Stop 2 fixed auto reset e Want Lead Lag function on e No communication options atop e Want 4 20 mA Low level retransmission dali e Using with a 4 20 mA input Start 1 PBLT or Level Transmitter EXAMPLE PR
27. the host to write commands to the control set LOrE to E The host does have the ability to change the LOrE state but it is not automatic If your system depends on constant reading or writing to and from the host you may wish to set the No Activity Timer A to monitor the addressing of the control When the LOrE is set to E and the nA is set to any value other than OFF the control will expect to be addressed on a regular basis If the control is not addressed in the time set by the value of nA then the control will display the error message CHEC LOrE To clear the message setLOrE to LOL MENU SELECTIONS Notation Conventions for the Menus Because of the number of features available in this control information is included that may not apply to your specific control All usable features are included in this book but may not be used in your process To increase clarity the following conventions are used 1 Certain features or functions shown in this book are contextual This means that Menu ltems may or may not appear depending on other Menu ltem selections Whenever this occurs a notation is made in the Menu Item that controls or directs other menu items If you are looking for a particular menu item and can t find it check the menu item that is its control for proper setting 2 The symbol is used in two ways It is used inside a group of characters to indicate which set point function SP1 or SP2 is being affected I
28. the process value While in the Secure Menu if no key is pressed for a period of 60 seconds the display will return to the HOME position displaying the process value Outputs are disabled turned off when the Secure Menu is active Security Level Selection Three levels of security are provided The SEC menu item security level may be viewed or changed at any time regardless of the present security level in the Secure menu The display shows the current security level To change security levels change the password value using the MB UP ARROW or BY Down ARROW keys and pressing the ENTER key Refer to the password table following for the correct value to enter for the security level desired To set the access level to for example 2 at the SEC menu item press the E UP ARROW key until the upper display shows the password 1101 Press the ENTER key The display will blink and return with the level value 2 in the upper display The password values shown in the table cannot be altered Retain a copy of these pages for future reference This is the only reference made to password values in this instruction book Password Table Security Level Display Value Password Value Status When Viewed to Enter Secondary Locked Secure Locked Secondary Unlocked Secure Locked Secondary Unlocked Secure Unlocked Lead Lag Operation The Mercoid MPCJR pump controller is designed to easily operate a pair of pumps i
Download Pdf Manuals
Related Search