Toshiba MITOS VT6 AIR User Manual Download Page 15 | Manualshive

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02/10/2015

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Manual_MITOS_VT6_AIR_ver3p3_eng

MECHANICAL DIMENSIONS

Legend:

1

: Pressure negative Input

2

: Pressure positive Input

3

: Connector for serial connection

4

: TTL/RS485 serial line selector

5

: Fixing brackets

The pipes connected to the pressure sensor must have an

internal

diameter of 4 mm

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Summary of Contents for MITOS VT6 AIR

Page 1: ...02 10 2015 Manual_MITOS_VT6_AIR_ver3p3_eng MITOS VT6 AIR USER MANUAL ...

Page 2: ... OF THE MITOS VT6 AIR 7 FUNCTIONING JUST DISPLAY 7 FUNCTIONING MANUAL 8 FUNCTIONING AUTOMATIC PID 9 PRESSURE VELOCITY FLOW RESET 11 RESET INVERTER ALARM 11 SELECTION OF SERIAL COMMUNICATION TTL RS485 11 CONNECTION FOR PRESSURE MEASURE REGULATION 12 CONNECTION FOR FLOW OR VELOCITY MEASURE REGULATION 14 MECHANICAL DIMENSIONS 15 APPENDIX 16 ...

Page 3: ...and also regulate the frequency sent to the inverter in order to keep the pressure velocity or flow selectable at a fixed level programmable from the display menu Automatic control uses a PID regulation characterized by proportional integrative and derivative parameters changeable from the programming menu MITOS VT6 AIR can also visualize some functioning parameters of the inverter such as current...

Page 4: ...t point PID Hysteresis where V is the value measured by the controlled variable min 0 max 2 appendix Constant PID Kp PID control proportional constant 0 0 300 0 Constant PID Ki PID control integrative constant 0 0 300 0 Constant PID Kd PID control derivative constant 0 0 300 0 ACC manual Value of the ACC parameter sent to the inverter when Type command MANUAL 0 1 320 0 sec DEC manual Value of the ...

Page 5: ...he GENERIC setting During velocity calculation with the section AIR you need to set also the fluid temperature in C through the parameter Fluid Temperature The calculation of the velocity with GENERIC setting is base on the following formula v k P m s where k Velocity Constant settable and P is the differential pressure in mmHH2O GENERIC AIR Pipe type Sets the pipe section RECTANGUL CIRCULAR Pipe ...

Page 6: ...hile keeping F2 key pushed But in this case the selection will be kept only until the device is on see appendix 3 Set point manual Sets the value of the frequency sent to the inverter in MANUAL functioning This value can be modified from the normal functioning menu 0 0 500 0 Hz Store set point It allows to store automatically or not the set point variation chosen with the UP and DOWN keys Selectin...

Page 7: ...d in the appendix 1 It is possible to set the Modality parameter just through the parameters programming menu If the Modality parameter is set on COMMAND the setting of parameter command Type is possible through the programming menu and through the normal functioning menu pressing for at least 3 seconds the button MAN AUTO The continuous pressure MAN AUT allows to change the value from AUTOMATIC t...

Page 8: ...will see the information selected through the parameter Variable Monitor 1 In the second line of the display after the card start you can find the information selected through the parameter Variable Monitor 2 However through the keys UP and DOWN it is easy to reach all the other information available The value Manual Set point can be changed through the parameters programming menu and through the ...

Page 9: ...nu of normal operation In this case if the parameter Store set point is set on YES the changing of set point is automatically stored and it will remain even if the card is turned off and on again on the other hand if this parameter is set on NO the set point changing won t be stored The variation of Set point PID from the menu of normal operation is carried out as follows 1 through buttons UP and ...

Page 10: ...rter the controlled variable catch up the set point in correspondence of the point 2 The purpose of the two couples of different ramps in manual and automatic is to allow a slower answer during the start up a quicker one when you are working at full speed If the system can be led to instability permanent waver an empirical way to find the values of integrative derivative and proportional constants...

Page 11: ...n which the inverter it had to go in alarm TO INV REG visualizes to display the same code of alarm visualized on the display of the inverter To reset the alarm is enough to press button STOP RESET SELECTION OF SERIAL COMMUNICATION TTL RS485 Depending on the kind of inverter used the dip switch with two levers on the back of the box has to be configured as follows VF S11 VF FS1 VF AS1 VF PS1 1 ON 2...

Page 12: ... filtered outputs thwart the dust or other elements to go up to the pressure sensor and to small elements to obstruct the flow into the pipes It is possible not to use the filtered outputs but to the detriment of the instrument The filtered outputs have to be mounted directly on the filter where there are usually the air outputs pipes It is necessary to install a filtered output for each pressure ...

Page 13: ...02 10 2015 13 17 Manual_MITOS_VT6_AIR_ver3p3_eng PACKING IN RUBBER FILTER WALL 4 IMPLANTATION HOLES Ø3 75 SCREW Ø4 25 HOLES LOW PRESSURE 3 5 Ø4 IN THE CENTER WITHIN A DIAMETER OF 20mm WADDING Ø20 ...

Page 14: ...ITY MEASURE REGULATION For velocity and flow regulation it s necessary to use the Pitot Pipe applied to the vent of MITOS VT6 AIR The choice of Pitot pipe lenght has to be made following the dimensions of the pipe in order to put it at least up to the central part of the tubing ...

Page 15: ...g MECHANICAL DIMENSIONS Legend 1 Pressure negative Input 2 Pressure positive Input 3 Connector for serial connection 4 TTL RS485 serial line selector 5 Fixing brackets The pipes connected to the pressure sensor must have an internal diameter of 4 mm ...

Page 16: ...ype AUTOMATIC CMOD 2 FMOD 5 Command type AUTOMATIC Automatic PID without start stop CMOD 1 FMOD 4 Command type AUTOMATIC CMOD 2 FMOD 4 Command type AUTOMATIC CMOD 2 FMOD 5 Command type AUTOMATIC CMOD 2 FMOD 5 Command type AUTOMATIC VF NC3 VF S15 VF MB1 Manual frequency CMOD 2 FMOD 3 Command type MANUAL CMOD 2 FMOD 4 Command type MANUAL CMOD 2 FMOD 4 Command type MANUAL Manual start stop CMOD 2 FMO...

Page 17: ...e engine measured in Ampere VIN tension in Volt in inverter input VOUT tension in Volt in engine input ALARM1 last alarm ALARM2 next to last alarm ALARM3 third from last alarm ALARM4 fourth last alarm CNT hours counter TEMPERATURE temperature measured in grades centigrades PRESSURE VELOCITY FLOW value of measured pressure velocity flow FREQUENCY real frequency of inverter functioning frequency if ...

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