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Technical Manual

ISSUE 7 28/9/99

Motor Protection Controller

P&B Engineering
Belle Vue Works
Boundary Street
Manchester
M12 5NG

Tel: 0161 230 6363
Fax: 0161 230 6464

Содержание MPC2000+

Страница 1: ...C2000 Technical Manual ISSUE 7 28 9 99 MPC2000 Motor Protection Controller P B Engineering Belle Vue Works Boundary Street Manchester M12 5NG Tel 0161 230 6363 Fax 0161 230 6464 E mail mail pbeng co u...

Страница 2: ...VT INPUTS L1 16 L2 18 L3 20 N 17 19 21 IF USED 7 5 3 CURRENT SENSOR INPUTS 10 11 12 13 14 15 7 5 4 EARTH FAULT CT INPUTS 8 9 7 5 5 TEMPERATURE INPUTS 23 24 25 26 27 28 29 30 31 7 5 6 POWER 7 6 MPC200...

Страница 3: ...IPPING ALARM OPTIONS 22 9 7 MPC2000 DATA DISPLAY PAGES 25 9 8 MPC2000 SETTING PAGES SUMMARY 26 9 9 MPC2000 DATA PAGES SUMMARY 28 10 MPC2000 COMMUNICATIONS 29 11 MPC2000 FLASH CONSTANT MESSAGES 29 12 M...

Страница 4: ......

Страница 5: ...hard wired contacts is also provided both locally via the liquid crystal display and remotely via the RS485 communications port All MPC2000 setting parameters are programmed independently for each un...

Страница 6: ...tection Current Based Thermal Overload Protection Load increase Alarm Thermal Capacity Pre Alarm Locked Rotor Stall Protection 2 Stage Undercurrent Protection High Set Overcurrent Protection Low Set O...

Страница 7: ...ent of communications IBM PC based software enables Setting Parameters to be configured via RS485 Port All functions operate fully independently of communications Non Volatile Memory for all setting p...

Страница 8: ...ors Range 0 1 30 Kilo Ohms Accuracy 0 1 Kilo Ohm up to 5 Kilo Ohm 3 above 5 Kilo Ohm RTD s Range 100 to 240 Ohms Accuracy 3 Max Wire Resistance 25 Ohms 3 6 Overload Alarm and Trip Curves Fault Time Ac...

Страница 9: ...hematic Diagrams The following diagram shows the connection diagrams of the MPC2000 unit when used for Protection and Control The following points should be noted It is recommended that the 3 phase in...

Страница 10: ...ENCY STOP NC EXTERNAL FAULT 3 EXTERNAL FAULT 2 OR SYSTEM TEST SET BY DIP SWITCH 1 110 240V AC INTERNAL POWER SUPPLY ON LOGIC SUPPLY ALT AUX POWER SUPPLY 3 THERMISTOR OR PT100 INPUTS RS485 SERIAL PORT...

Страница 11: ...rrent Sensor Inputs 10 11 12 13 14 15 To allow MCC manufacturers to use the smallest size compartments P B have developed a highly accurate dedicated Current Sensor The unit is a compact 3 phase resin...

Страница 12: ...minals to enable the user to wire the switch back into whichever input is required 6 2 2 Emergency Stop An Emergency Stop Button is mounted on the front panel and internally wired to terminals to give...

Страница 13: ...ode is selected via the Local Remote input PLC Control A B are in stop and provided the PLC reset option is enabled for the particular fault in the Tripping Logic settings 6 2 12 PLC Control A 67 Clos...

Страница 14: ...e motor starter provided the starter is isolated When this option is selected the Logical Input Contact Status page will display in place of the External Fault 3 the External Test status and will indi...

Страница 15: ...ltage to the MPC2000 unit is connected STOPPED This green LED illuminates on power up The LED illuminates when both Contactor A B inputs indicate a open state and also when a Stop or Fault signal is p...

Страница 16: ...character Alpha Numeric LCD Liquid Crystal Display This enables all settings to be viewed and configured on each individual unit and enables the display of any of the MPC2000 drive data The following...

Страница 17: ...case the rate of change will increase The key will only increase the value of the parameter within the allowable range of the setting parameter If the Authorise input is open and the key is pressed th...

Страница 18: ...ding conditions 2 and 3 are met an operator can override the settings in the Tripping Alarm Options by closing the Authorise input and pressing the reset button Note if the reset key is pressed and th...

Страница 19: ...t be set to root 3 times the system voltage in order for the under and over voltage protective functions to operate correctly VT Primary Voltage This setting range Not Connected or 100V 22kv in steps...

Страница 20: ...etween Direct on Line Star Delta Reversing Two Speed and Circuit Breaker Control Certain menu s will be displayed when a Starting Method has been selected pertinent to that selection For instance when...

Страница 21: ...ontrol inputs and outputs operate as follows Contactor A Output relay is used to provide separate indication of a thermal Overload fault Contactor B output relay is used to provide separate indication...

Страница 22: ...ltage determines the pick up voltage for the Overvoltage alarm function When the measured voltage reaches this level and remains for 1 second an alarm will occur Overvoltage Trip This setting range 10...

Страница 23: ...t available from the overload curve The default for this setting is 400 of FLC This feature can also be used to provide a fast operating definite time stall protection after the motor is running Low S...

Страница 24: ...c may be switched to a lower value The feature is activated by connecting a speed switch between terminals 32 and 9 which enables or disables the stalling characteristic which is adjustable between th...

Страница 25: ...0 seconds and it refers to the inverse slope of the time verses unbalance characteristic which has a reference point corresponding to an Unbalance of 10 The unbalance trip function is an inverse time...

Страница 26: ...s if RTD is selected determines the resistance level at which an trip will occur The above settings are adjustable in steps 100 Ohms for Thermistors and 1 Ohm for RTD s Thermistor 1 2 or 3 Open Circui...

Страница 27: ...lf resetting of a fault or alarm once the fault is no longer present In the case of Thermal Overload or Too Many Starts faults the self reset will not occur until the capacity has cooled to 50 or the...

Страница 28: ...rease Alarm D E D E E Low Set Overcurrent E E D E E High Set Overcurrent D D D E E Thermal Pre Alarm D E D E E Thermal Trip E E D E E Unbalance Alarm D E D E E Unbalance Trip E E D E E Undervoltage Tr...

Страница 29: ...5 Time to Trip in Minutes and Seconds 2 0 Time to Start in Minutes and Seconds 2 0 Unbalance Current as a percentage 2 0 Logical Inputs Contact Status Drive Status Contactor A N O Contactor A N C Cont...

Страница 30: ...actor B Run Alarm Aux 1 Delay 0 120 Sec 0 Designate Aux 2 Trip Trip Fail Safe Contactor A Contactor B Trip Aux 2 Delay 0 120 Sec 0 Protection Only Yes No No Local Remote Disable Yes No No VOLTAGE SETT...

Страница 31: ...Set Overcurrent E E D E E High Set Overcurrent D D D E E Thermal Pre Alarm D E D E E Thermal Overload Trip E E D E E Unbalance Alarm D E D E E Unbalance Trip E E D E E Undervoltage Trip D E D E E Ove...

Страница 32: ...ed run enable Isolator N C Closed locked out open run enable Start A Input Open Closed Start B Input Open Closed Stop Input Open Closed Local Remote Input Closed remote open local PLC Control Open PLC...

Страница 33: ...nt messages are displayed by the MPC2000 LCD DATA SAVED OK This Flash message is displayed after a setting parameter has been correctly stored to the EEPROM memory WRONG DATA SAVED This Flash message...

Страница 34: ...l be displayed Run Self Test Program Version Store Enable Default Settings Reset Store Statistical Data These functions can only be performed if the Authorise input is closed and operate as follows Ru...

Страница 35: ...lection of data transfer i e PLC or Serial Port If the unit starts but alarms immediately check the following 1 Ensure System Parameter Settings are correct 2 Ensure Tripping Alarm Options are correct...

Страница 36: ...time the thermal capacity used is zero this is known as the cold condition and the motor has 100 percent of it s thermal capacity available for heating before a trip will occur When a motor starts and...

Страница 37: ...longer it will take for the thermal capacity to reduce to the 50 level required to enable a restart The MPC2000 calculates the expected Time To Restart and displays this value within the Calculated Da...

Страница 38: ...m the standard MPC2000 Thermal Operating Curves the Cold curve trip times can be calculated by multiplying the setting t6x and the factor t for various multiples of FLC i e Multiple of FLC 1 5 2 0 3 0...

Страница 39: ...n is available from the motor manufacturer to calculate the actual setting it is recommended that the default setting is used With regard to current unbalance protection the pick up default setting is...

Страница 40: ...g The MPC2000 is supplied in a totally metal enclosed case suitable for flush mounting on the front of the motor starter cubicle The following dimensional drawing for the MPC2000 shows the standard fl...

Страница 41: ...m wire The following diagram shows the position of the terminals as viewed from the rear of the MPC2000 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35...

Страница 42: ...0 8 2 CT0 9 3 CT1 10 4 CT1 11 5 CT2 12 6 CT2 13 7 CT3 14 8 CT3 15 CONNECTOR 4 16 WAY VOLTAGE AND TEMPERATURE INPUTS PIN NUMBER SIGNAL COMMENT 1 VOLTAGE I P LINE 1 16 2 VOLTAGE I P NEUTRAL 17 3 VOLTAGE...

Страница 43: ...Y 1 C 41 11 AUX RELAY 1 N O 42 12 ESD RELAY COIL 43 13 ESD RELAY COIL 44 14 ESD RELAY N O 45 15 ESD RELAY C 46 16 ESD RELAY N C 47 CONNECTOR 6 16 WAY DIGITAL INPUTS PIN NUMBER SIGNAL TERMINAL NUMBER 1...

Страница 44: ...PIN NUMBER SIGNAL TERMINAL NUMBER 1 SPEED SWITCH 64 2 AUX LIVE 65 3 PLC CONTROL B 66 4 PLC CONTROL A 67 5 AUX LIVE 68 6 PLC RESET 69 7 AUTHORISE KEY 70 8 AUX LIVE 71 9 PLC SERIAL PORT 72 10 LOCAL REM...

Страница 45: ...two output relays Contactor A and B To start the motor in the forward direction press the Start A button To start the motor in the reverse direction press the Start B button The Stop button stops the...

Страница 46: ...0 Pre trip I3 10 Drive Status 41 Pre trip I0 11 Trips 42 Pre trip VP1 12 Alarms 43 Pre trip VP2 13 Time to trip 44 Pre trip VP3 14 Time to start 45 Last start period 15 Average RMS current 46 Last sta...

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