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MICON 500C Electronic Sequencing

234AY00.INS R06

Computer Installation Guide

DISPLAY
CODE

DESCRIPTION OF
FAULT

PROBABLE CAUSE

RECOMMENDED ACTION

TO CLEAR FAULT
CONDITION

CO26

PULSER FAULT

Missing or disconnected pulser.

Check customer harness lead
electrical connections (see
section 4.2 – American, pp 11-
12; section 4.3 - European, pp
13-14)

1. Correct source of error.
2. Turn handle switch OFF,

then ON.

CO27

PULSER BUFFER
OVERFLOW FAULT

Input pulses coming in faster
than MICON 500C rated to
handle.

Micro motion meter may be
programmed for higher

ppu

than

MICON 500C rating.

Ensure micro motion meter and
MICON 500C flow rates are
compatible.

1. Correct source of error.
2. Turn handle switch OFF,

then ON.

CO28

DISPLAY DISCONNECT
FAULT

LCD lost connection.

Check connections. If
connections are valid, display
may require replacement.

1. Correct source of error.
2. Turn handle switch OFF,

then ON.

CO29

EEPROM CHECKSUM
FAULT

EEPROM corrupted.

Reset pumphead by turning
handle switch OFF, then ON.

If reset ineffective, reprogram
the MICON, using the INFO-
PAC.

If reset and reprogramming
ineffective, internal processor
may require replacing. Contact
your service representative.

1. Correct source of error.
2. Turn handle switch OFF,

then ON.

CO30

EXCESSIVE REVERSE
COUNTS

Pulser connected backwards.

Reconnect pulser (see section
4.2 – American, pp 11-12;
section 4.3 - European, pp 13-
14)

1. Correct source of error.
2. Turn handle switch OFF,

then ON.

CO51

EXCESS FLOW FAULT

Flow rate has exceeded INFO-
PAC maximum setting OR

hose ruptured.

Check for hose ruptures. If no
leaks are occurring, it may be
necessary to adjust INFO-PAC
EXCESS FLOW setting (see
section 8.6, page 36).

Turn handle switch OFF,

then ON—

OR--

activate MRST input

and/or push button on
main board

CO76

PRESSURE
TRANSDUCER 1 OUT
OF RANGE

Pressure transducer 1 input is
less than or greater than 4 mA
to 20 mA acceptable range.

Check transducer
connections / performance.

Activate MRST input and/or
push button on main board.

CO77

PRESSURE
TRANSDUCER 2
OUT OF RANGE

Pressure transducer 2 input is
less than or greater than 4 mA
to 20 mA acceptable range.

Check transducer
connections / performance.

Activate MRST input and/or
push button on main board.

CO78

AMBIENT
TEMPERATURE PROBE
FAULT

Probe has short circuit or open
circuit.

Check probe connections /
replace probe.

Activate MRST input and/or
push button on main board.

CO79

GAS TEMPERATURE
TRANSDUCER OUT OF
RANGE

Gas temperature transducer
input is less than or greater than
-50

C to +50

C acceptable

range.

Check transducer
connections / performance.

Activate MRST input and/or
push button on main board.

CO80

PRESSURE
TRANSDUCERS 1 AND
2 OUT OF TOLERANCE

Pressure transducers PXT1 and
PTX2 (back-up) have exceeded
a 3% difference in readings.

Check transducer
connections / performance.

Activate MRST input and/or
push button on main board.

CO81

AIR PURGE OR
PRESSURE SWITCH
KILL

Purging is not occurring, due to
open circuit at switch. (This
switch input may be used for
applications other than air
purge.)

Qualified personnel may check
for open circuit and repair
switch.

Activate MRST input and/or
push button on main board.

CO82

EXCESS FILL FAULT

Flow rate has exceeded INFO-
PAC maximum setting OR

hose ruptured.

Check for hose ruptures. If no
leaks are occurring, it may be
necessary to adjust INFO-PAC
EXCESS FILL setting (see
section 8.6, page 36).

Activate MRST input and/or
push button on main board.

TABLE 13 – MICON 500C FAULT CODES

Содержание Kraus Group MICON 500C

Страница 1: ...MICON 500C ELECTRONIC SEQUENCING COMPUTER INSTALLATION MANUAL NORTH AMERICAN AND EUROPEAN TM TM 1999 Kraus Group Inc Publication Number 234AY00 INS R06 Printed in Canada ...

Страница 2: ......

Страница 3: ... 4 COMMUNICATION INTERFACE CONNECTIONS 15 5 0 POST INSTALLATION CHECK 16 6 0 MICON 500C OPERATION 17 6 1 CONSOLE ACCESSING FOR PRICE CHANGING MCIU 17 6 2 MICON 500C COMMUNICATOR OPERATION 18 6 2 1 READING TOTALIZERS ON A SINGLE TIER DISPENSER 18 6 2 2 SETTING PRICES ON A SINGLE TIER DISPENSER 19 6 2 3 READING CURRENT PRODUCT FLOW RATE TEMPERATURE AND PRESSURE 20 6 3 TWO TIER PRICE OPERATION 21 6 3...

Страница 4: ...E INPUTS 33 8 3 SOFTWARE 34 8 4 END OF FILL DETERMINANTS 35 8 5 RESTART TIMEOUT AND NOISE BLANKING 35 8 6 EXCESS FLOW EXCESS FILL 36 8 7 OPTIONAL PARAMETERS 37 8 8 FAILURE PROTECTIONS 38 8 9 SYSTEM REDUNDANCIES 39 8 10 ALARMS 39 9 0 MICON 500C FAULT CODES 40 TABLES 1 ACCESSORY OPTIONAL PARTS KRAUS 5 2 MICON 500C WIRING DETAIL NORTH AMERICAN 11 3 MICON 500C WIRING DETAIL EUROPEAN 13 4 COMMUNICATION...

Страница 5: ...THE MICON 500C 3 4 RECEIVING DATA FROM MICON 500C 4 5 RECEIVED MICON INFO PAC DISPLAY 5 6 STANDARD ACTUATOR SHAFT AND COUPLER ASSEMBLY POSITION 6 7 INTRINSICALLY SAFE TWO PIN PLUG 7 8 CUSTOMER LEAD EXIT 7 9 ACTUATOR SHAFT AND COUPLER ASSEMBLY POSITION FOR CLOCKWISE ROTATION 8 10 HANDLE SHAFT ACTUATION FOR CLOCKWISE ROTATION 9 11 WIRING DIAGRAM NORTH AMERICAN 12 12 WIRING DIAGRAM EUROPEAN 14 13 PRI...

Страница 6: ...f our qualified personnel will provide assistance in getting your system operational company service number 1 204 988 1234 company fax number 1 204 654 2881 KRAUS GROUP INC assumes no liability or responsibility whatsoever pertaining to the accuracy or currency of the information supplied in this manual Installation of MICON 500C electronic pumpheads in every case is the sole responsibility of the...

Страница 7: ...whenever flat beveled side of shaft is facing any direction except DOWN Battery should be ON with flat beveled side of shaft facing UP when handle OFF Prepare handle switch for a preliminary check by positioning shaft and coupler assembly in handle OFF position a Pull cotter pin b Rotate actuator shaft until the flat beveled side faces UP c Rotate the coupler assembly until it snaps against the op...

Страница 8: ...O PAC configuration event counter in dollar display Indicates number of times settings have been changed in m500 mode micon mode with the INFO PAC m500 mode is used to control liquid fuel flow in earlier INFO PAC models and certain CNG fuel flow features in INFO PAC version 3 0 and later software configuration event counter in volume display Indicates number of times settings have changed in m500c...

Страница 9: ...main ON The MICON 500C display should be flashing If display is blank unit is in sleep i e battery save mode To correct this turn handle ON and OFF Display will start flashing b Turn INFO PAC m500C ON by pressing left arrow key Using up or down arrow key scroll to INFO PAC RX MICON option Set RX MICON on by pressing left or right pointing arrow key c Take INFO PAC and go to the front display of th...

Страница 10: ... dispensers is described on pages 22 and 23 sections 6 3 3 and 6 3 4 For a detailed explanation of INFO PAC operation see INFO PAC MICON 500C Programming Manual If any faults are detected during this preliminary check consult your factory or service representative 3 0 PHYSICAL MOUNTING CONSIDERATIONS Kraus Group Inc is presently offering accessory parts to facilitate the field installation of the ...

Страница 11: ... the shaft should be in the battery ON position when the dispenser handle is OFF This will be flat side UP battery actually is ON in any position except flat side DOWN battery ONwhen flat beveled side of shaft facing UP FIGURE 6 STANDARD ACTUATOR SHAFT AND COUPLER ASSEMBLY POSITION COUPLER ASSEMBLY STOP PIN 1 STOP PIN 2 COTTER PIN ACTUATOR SHAFT FLAT BEVELED SIDE UP IS HANDLE OFF BATTERY ON POSITI...

Страница 12: ...ed not be connected and should be left in the Handle OFF position 3 Customer lead exit located on the top of the explosion proof housing must be connected to a suitable junction box with rigid conduit North American only A seal fitting must be in stalled between the MICON 500C and the junction box and must be within 18 of the MICON 500C North America connect rigid conduit at customer lead exit int...

Страница 13: ...e 9 below and complete the following steps a Turn the coupler assembly to the desired handle OFF position i e against stop pin 1 b Remove the cotter pin which secures the coupler assembly to the actuator shaft c Rotate the actuating shaft until the flat beveled surface on the end is facing upwards and re install the cotter pin in a vertical position THE COUPLER ASSEMBLY SHOWN IS RESTING AGAINST ST...

Страница 14: ... 10 HANDLE SHAFT ACTUATION FOR CLOCKWISE ROTATION 3 2 HANDLE SHAFT ACTUATION CONT D Remove cotter pin from coupler assembly after turning the assembly to the desired OFF position Rotate actuating shaft until flat side of actuator shaft faces UP when handle OFF then re install cotter pin ...

Страница 15: ...it is subject to inspection upon installation and at such other times as the regulations may state WARNING ATTENTION When performing installation or maintenance work of any kind including servicing MICON 500C electronic pumphead main boards or using the INFO PAC to program pumpheads it is the responsibility of the service person performing the work to ensure 1 All power to MICON pumphead s is turn...

Страница 16: ...MICON 500C will source a maximum of 100 mA from the money pulser positive 4 to this line to form a pulse once for each penny of product dis pensed Used with KRAUS MONITOR and MICRO consoles 12 YEL RED LAG Pulser Input Positive This line is connected through a 680 Ω resistor to the anode of an optocoupler LED 13 YEL BRN LEAD Pulser Input Positive This line is connected through a 680 Ω resistor to t...

Страница 17: ...MICON 500C Electronic Sequencing 12 234AY00 INS R06 Computer Installation Guide 4 2 1 FIGURE 11 WIRING DIAGRAM NORTH AMERICAN ...

Страница 18: ...will source a maximum of 100 mA from the money pulser positive 9 to this line to form a pulse once for each penny of product dispensed Used with KRAUS MONITOR and MICRO consoles 11 Volume Pulser Negative output This line provides a pulse as described above for money pulser for each specified fraction of a unit of volume Used for card or key systems 15 LAG Pulser Input Positive This line is connect...

Страница 19: ...MICON 500C Electronic Sequencing 14 234AY00 INS R06 Computer Installation Guide 4 3 1 FIGURE 12 WIRING DIAGRAM EUROPEAN ...

Страница 20: ...RS 422 Interface RS 232 Interface Kraus MNET Interface 16 DCC Not used Not used OUT Gnd DCC 10 TTC 2 wire OUT Tx TTC 9 TTD 2 wire IN Rx TTP 17 Not used Not used Not used IN Not used Not used Customer Cable Wire Tokheim Interface Gilbarco 2 Wire Interface Tatsuno Interface RS 422 Interface RS 232 Interface Kraus MNET Interface 12 DCC Not used Not used OUT Gnd DCC 13 TTC 2 wire OUT Tx TTC 14 TTD 2 w...

Страница 21: ...f price display on MICON 500C d To set prices While aiming the communicator s transmitter located on the end of the unit at the MICON 500C optical display sensor press and hold the SET until the display increments to the desired number Use the SEL key to select the next digit to be changed Press and hold the SET key until the display increments the desired number 2 After entering a price turn ON t...

Страница 22: ...s is dependent upon the type of self serve consoles employed Ø If you are using Kraus Group Inc Monitor 4 Console Systems refer to sections 6 2 1 Reading Totalizers next page and 6 2 2 Setting Prices page 19 for information regarding price change and reading of totalizers Ø If you are using a Kraus Group Inc Micon Communication Interface Unit MCIU MICON 500C totalizers and prices may be accessed t...

Страница 23: ...d power is turned ON 2 Aim the communicator s transmitter located on the top of the unit at the optical sensor located to the right of the price display 3 Depress and hold the SEL key on the communicator The red indicator to the left of the price display will flash as the MICON 500C receives the communicator s signal 4 Hold the SEL key until the dollar sales total is displayed Dollars sale total u...

Страница 24: ...plays the dollar amount and Prc 1 2 Take the MICON hand held communicator and go to the front display of the MICON 500C electronic pumphead 3 Aim the communicator at the optical sensor oval hole at right of price display on MICON 500C 4 To set prices While aiming the communicator s transmitter located on the end of the unit at the MICON 500C optical display sensor press and hold the SET key until ...

Страница 25: ...FLO The middle display will indicate the value of the flow rate in fuel mass per minute The units of mass may differ if the dispenser is equipped with a turbine meter Units are determined by the calibration of the meter output For Return to Normal Display instructions see next page AMBIENT TEMPERATURE Follow steps 1 3 top of this page When the bottom MICON display indicates FLO press the SET key o...

Страница 26: ... When a second pressure transducer has been enabled using the INFO PAC i e PTX2 setting enab the MICON uses a basic compensation formula to average the readings from the two pressure transducers and monitors the difference between the two for a maximum window of error Refer to INFO PAC MICON 500C Programming Manual for details RETURN TO NORMAL DISPLAY Follow steps 1 3 previous page When the bottom...

Страница 27: ... the digit to be changed and press the SET key to increment to the desired number 2 To set Prc 2 which is the discounted price press the DISCOUNT button located on the side of the dispenser The dollar display on the MICON 500C will then display the dollar amount and Prc 2 at first Prc 2 indicates the discounted price Set this price by aiming the communicator at the optical sensor oval hole at righ...

Страница 28: ...r dispensers totalizers except that pressing the DISCOUNT button will change which volume dollar setting regular or discount is being read The two tier dispenser contains two sets of totalizers Ø volume and dollar totals for regular priced sales Ø volume and dollar totals for the discount priced sales To read the totalizers 1 Proceed as on page 18 by turning OFF AC MICON 500C head power at breaker...

Страница 29: ... of weights measures regulations Indication is provided at the MICON 500C electronic pumphead of the number of changes to device configuration parameters performed with the INFO PAC as shown in Fig 3 page 3 display reads 782564 93 REGULAR TOTAL DOLLAR SALES DISPLAY DISCOUNT TOTAL DOLLAR SALES DISPLAY display reads 704308 44 press DISCOUNT button on dispenser side to switch back and forth display r...

Страница 30: ...pulse width of output signal 4 0ms PENNY PW sets pulse width of penny pulse signal 4 0ms W M STANDARD sets allowable pulser errors to N American or European standards na CLEAR ZEROS permits display or suppression of leading zeros in current sale off CONSOLE shows type of communications protocol used Kraus Tokheim Gilbarco kraus PUMP ID sets pump address used for serial data communication not set G...

Страница 31: ...f COMP SYSTEM set to pfs 10 PTX2 sets redundant pressure transducer status if COMP SYSTEM set to pfs disab TRX TEMP permits a transducer temperature enable if COMP SYSTEM set to pfs enab RESTART TIME sets delay time permitted between an end of fill and true fill termination 02s MFS TIMER sets time delay initiated each time any flow control solenoid valve is activated 02s BLANK TIMER displays inste...

Страница 32: ...o 99 9 units the valve for the mid pressure line is opened The appropriate INFO PAC setting units minute is calculated as approximately 20 percent of mass flow meter maximum flow rate The mass flow meter maximum flow rate is obtainable from the manufacturer s specifications See INFO PAC MICON 500C Programming Manual software version 3 0 7 1 4 IPTP FLOW 2 increased pressure trip point flow 2 Table ...

Страница 33: ...bank valve is opened immediately Otherwise sequencing continues comparing the flow rate with IPTP1 Increase Pressure Trip Point 1 to determine when to open the mid bank valve see Figure 17 next page When the mid bank valve has been opened the flow is again allowed to stabilize for second and then flow is measured over the next second If the flow is less than the MIN FLOW m500 setting the high pres...

Страница 34: ...o actuator valve high bank line position wire 7 wire 23 white orange connects to motor actuator valve HOME position TABLE 9 WIRE CONNECTIONS FILL OPTION 2 FIGURE 17 FILL OPTION 1 IF FLOW RATE LESS THAN MIN FLOW m500 SETTING IF FLOW RATE LESS THAN MIN FLOW m500 SETTING FLOW DETECTED START FILL LOW BANK VALVE OPENS HIGH BANK VALVE OPENS IF FLOW RATE LESS THAN MIN FLOW m500 SETTING SEQUENCING CONTINU...

Страница 35: ...tor will advance to activate the mid bank line Once again the flow rate will be allowed to stabilize for 2 seconds Flow will continue until IPTP2 or the MIN FLOW has been reached then the motor actuator will be advanced to the high bank line position Flow will continue until the end of sale flow rate below the MIN FLOW level when the main flow solenoid will be closed and the motor actuator valve r...

Страница 36: ...MID BANK LINE OR MOTOR ACTUATOR ADVANCES TO HIGH BANK POSITION FLOW CONTINUES UNTIL FILL STOP CONDITIONS MET OR UNTIL FLOW RATE BELOW MIN FLOW RATE LEVEL END OF SALE MAIN FLOW SOLENOID CLOSES MOTOR ACTUATOR VALVE RETURNS TO HOME POSITION IPTP2 IS REACHED INITIAL FLOW IS BELOW MIN FLOW FLOW STARTS IF PFS PRESSURE FILL STOP MOTOR ACTUATOR RETURNS TO HOME POSITION WAIT 4 SECONDS CLOSE SOLENOID VALVE ...

Страница 37: ... annunciation outputs The PFS 3000 system as incorporated into the MICON 500C head meets both North American and European design requirements Alarms are a key function of this system including alarms generated externally which the MICON 500C must respond to and internal faults which must be appropriately handled by the MICON 500C according to codes and regulations The total inputs consist of 4 ana...

Страница 38: ...pensated hard limiting pressure switch When COMP SYSTEM mfs is selected with INFO PAC PS1 becomes a temperature compensation switch instead MFSPS2 digital switch contact temperature compensated pressure switch N A intrinsically safe Active only when COMP SYSTEM mfs compensation system INFO PAC setting selected i e temp compensation pressure switches replaces MICON 500C inputs for pressure transduc...

Страница 39: ...e pressure is calculated as 1 2 times the operating pressure OPERATING PRESSURE MULTIPLICATION FACTOR ABSOLUTE PRESSURE FINAL FILL PRESSURE CANNOT EXCEED THIS VALUE 3000 psig multiply by 1 2 3600 psig 3600 psig multiply by 1 2 4320 psig At the final fill pressure the fill terminates regardless of the state of the fill However the restart timeout mechanism will be allowed to take its course just in...

Страница 40: ...ations 4 If the customer turns OFF the handle switch the fill is considered terminated immediately with no restart timeout 5 No flow timeout This feature is settable using the INFO PAC transmitter and controls the length of time MICON 500C keeps motor and solenoid valve ON if a sale is in progress but there is no product flow being registered It can be set from 15 seconds to 4 minutes 15 seconds S...

Страница 41: ...dispenser pressure transducers were reading an accurate end of fill condition when they stopped the fill and were not reading a false higher pressure due to such elements as extreme flow restrictions etc If after the restart timeout the pressure is still at or above the end of fill pressure the fill is then fully terminated 8 6 EXCESS FLOW EXCESS FILL Various jurisdictions associate different leve...

Страница 42: ...eling Transit buses have a calculated standard maximum amount of fuel that can be accommodated before it can be assumed that a hose is broken or there is a serious leak 8 7 OPTIONAL PARAMETERS There are optional parameters settable using the INFO PAC transmitter associated with use of a dispensers using turbine type meters and or b compensation systems using pressure transducers and temperature pr...

Страница 43: ...YSTEM pfs Ø TRX TEMP transmit temperature This option permits a transducer temperature enable When enabled the ambient temperature is averaged with the actual gas temperature for use in the basic compensation formula When disabled only the ambient temperature is used 8 8 FAILURE PROTECTIONS Security is available for all mechanical and or electrical failures of input or output devices which could o...

Страница 44: ...t pressure In some jurisdictions backup from a second pressure transducer is not required Through settings on the INFO PAC transmitter the system is able to enable or disable use of the redundant pressure transducer When disabled it is completely ignored When enabled the basic compensation formula averages the readings from the two pressure transducers and monitors the difference between the two f...

Страница 45: ... input and or push button on main board LOSS OF AIR PURGE OR PRESSURE SHUTDOWN Activate MRST input and or push button on main board PULSER DISCONNECT LOSS OF QUADRATURE SHUTDOWN Reset the handle switch 9 0 MICON 500C FAULT CODES Should an operational error occur while using the MICON 500C a fault code will show in the PPU price per unit display alternating with the price at 1 second intervals Tabl...

Страница 46: ...SS FLOW setting see section 8 6 page 36 Ø Turn handle switch OFF then ON OR Ø activate MRST input and or push button on main board CO76 PRESSURE TRANSDUCER 1 OUT OF RANGE Pressure transducer 1 input is less than or greater than 4 mA to 20 mA acceptable range Check transducer connections performance Activate MRST input and or push button on main board CO77 PRESSURE TRANSDUCER 2 OUT OF RANGE Pressur...

Страница 47: ...AULT CODES CONT D CODE SUMMARY OF FAULT CLEARING ACTIONS CO26 30 1 Correct source of error 2 Turn handle switch OFF then ON with authorization CO51 Turn handle switch OFF then ON OR activate MRST manual reset switch input and or push button on main board CO76 82 Activate MRST manual reset switch input and or push button on main board ...

Страница 48: ......

Страница 49: ......

Страница 50: ...25 Paquin Road Winnipeg Manitoba Canada R2J 3V9 Telephone 1 204 988 1234 Facsimile 1 204 654 2881 Printed in Canada ...

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