![Danfoss MCD 202-007-T4-xxx [11/24] Mcd 200 design guide](/img/pdf.png)
Danfoss MCD 202-007-T4-xxx [11/24] Mcd 200 design guide
![Danfoss MCD 201-075-T6-xxx [11/24] Mcd 200 design guide](/views2/1563280/page11/bgb.png)
MCD 200 Design Guide
MCD 200 Series
Overview
the actual time the MCD 202 "current limits". The
ramp-up time will be reduced and is determine d by
the motor speed on reapplication of the start signal.
• What is the remote start and stop
input impedance?
Are any special precautions necessary
during installation?
The 01/02 input impedance is approximately 400
k
@ 300 VAC and 5.6 k @24VAC/VDC.All
control wiring, for long runs, should be either twisted
pair or shielded cable with the screen earthed at
one en d. Control wiring should be separated from
power cables by a minimum distance of 300 mm.
If long ca ble runs cannot be avoided, the
best a ssurance against noise interference is
to install an interposing relay in close proximity
to the M CD 200 soft starter.
• Why is it necessary to apply control voltage
before (or with) mains voltage?
There is a possibility the soft starter could arrive
at site with the internal bypass relays in "closed"
state. On first application of control voltage, the
bypass relays are commanded to open. If mains
voltage is applied w ithout control voltage, this step
is missed, and the motor may start DOL without
war ning (see Product Note for more detail) .
• What are the under- & over-frequency trip
points for MCD 200 soft starters?
The trip points are 40 Hz and 72 Hz. If the
frequency falls below 40 Hz o r rises above 72 Hz,
the soft starter will trip (x 6 Ready LED flashes).
These trip points are not adjustable.
A supply frequency trip will also occur if all
three phases from the mains supply are lost,
or fall below approximately 120 VAC while
the soft starter is running.
A supply frequency trip will occur if the line
contactor drops out during running.
• Will the motor start DOL if the start ramp
of MCD 201 open loop soft starter is
set to "full voltage"?
No, the MCD 201 wi ll still provide a limited soft
start. The voltage is ramped up from 0 to 100%
in approximately 0.25 seconds.
MG.17.C2.02 - VLT is a registered Danfoss trademark
11
Содержание
- Accessorie 1
- Contents 1
- Mcd 200 design guide 1
- Mcd 200 series overvie 1
- Mcd 201 1
- Mcd 202 1
- Soft start application guid 1
- Mcd 200 design guide 2
- N avoiding soft starter damage 2
- N high voltage warning 2
- N safety regulations 2
- N symbols used in this manual 2
- N warning against unintended start 2
- N warnings 2
- Warnings 2
- Mcd 200 design guide 3
- Mcd 200 series overview 3
- N description 3
- N mcd 200 series overview 3
- N ordering type code 3
- Mcd 200 design guide 4
- N ratings 4
- Control inputs 5
- Control supply a1 a2 a3 5
- Emc emission 5
- Emc immunity 5
- Environmental 5
- Mains supply l1 l2 l3 5
- Mcd 200 design guide 5
- Mcd 200 series overview 5
- N general technical data 5
- Relay outputs 5
- Short circuit 5
- This product has been designed for class a equipment use of the product in domestic environments may cause radio interference in which case the user may be required to employ additional mitigation methods 5
- Heat dissipation 6
- Mcd 200 design guide 6
- Standards approvals 6
- Mcd 200 007 mcd 200 030 30 mm yes 7
- Mcd 200 037 mcd 200 110 not available yes 7
- Mcd 200 design guide 7
- Mcd 200 din rail foot mounting 7
- Mcd 200 series overview 7
- N dimensions and weights 7
- N mechanical installation 7
- Mcd 200 design guide 8
- Mcd 201 037 mcd 201 055 4 kg 8 lb mcd 202 037 mcd 202 055 4 kg 9 lb 8
- Mcd 201 075 mcd 201 110 6 kg 13 lb mcd 202 075 mcd 202 110 6 kg 15 lb 8
- Mg 7 c2 2 vlt is a registered danfoss trademark 8
- Cable size 9
- Mcd 200 design guide 9
- Mcd 200 series overview 9
- Mg 7 c2 2 vlt is a registered danfoss trademark 9
- N cable size 9
- N semiconductor fuses 9
- Semiconductor fuses semiconductor fuses may be used with the mcd 200 soft starters use of semiconductor fuses will provide type 2 coordination and reduce the potential of scr damage due to transient overload currents and short circuits mcd 200 soft starters have been tested to achieve type 2 coordination with semiconductor fuses 9
- T rating than the scr and can carry start current for the full starting duration 9
- The following table provides a list of suitable ferraz and bussman fuses if selecting alternate brands ensure the selected fuse has a lower total clearing 9
- ºc wire use copper conductors only 9
- Mcd 200 design guide 10
- N frequently asked questions 10
- Mcd 200 design guide 11
- Mcd 200 series overview 11
- Mcd 200 design guide 12
- Mcd 201 12
- N electrical schematic 12
- N mcd 201 12
- N mcd 201 range 12
- Mcd 200 design guide 13
- Mcd 201 13
- N control circuits 13
- N functionality 13
- Mcd 200 design guide 14
- N fault finding 14
- N indication 14
- A 30 vdc resistive 2 a 400 vac ac11 15
- Also resets the mcd 202 15
- Auxiliary relay function trip see parameter 8 15
- Control circuits 2 wire control 15
- Electrical schematic example 1 mcd 202 installed with system protection circuit breaker complete with shunt trip device 15
- Example 2 mcd 202 installed with system protection circuit breaker and line contactor 15
- Main contactor 15
- Mcd 200 design guide 15
- Mcd 202 15
- Mcd 202 range mcd 202 soft starters provide current limit control tvr soft stop and include a range of motor protection features 15
- N control circuits 15
- N electrical schematic 15
- N mcd 202 15
- N mcd 202 range 15
- Mcd 200 design guide 16
- N functionality 16
- Mcd 200 design guide 17
- Mcd 202 17
- Mcd 200 design guide 18
- N fault finding 18
- N indication 18
- N motor thermistor protection 18
- 20 ma output motor current 19
- Accessories 19
- Feature mcd 201 19
- Mcd 200 design guide 19
- Mcd 202 19
- Mcd 3000 19
- Motor current display 19
- Motor temperature display 19
- N accessories 19
- N mcd 200 as i module 19
- N mcd 200 devicenet module 19
- N mcd 200 modbus module 19
- N mcd 200 profibus module 19
- N mcd 200 remote operator 19
- N mcd pc software 19
- N overview 19
- Pushbutton control start stop reset 19
- Starter status leds starting running tripped 19
- Trip code display 19
- Mcd 200 design guide 20
- Lrc motor locked rotor current 21
- Lrt motor locked rotor torque 21
- Mcd 200 design guide 21
- N application guide 21
- N reduced voltage starting 21
- N soft start application guide 21
- Soft start application guide 21
- Start current 21
- Start torque 21
- Mcd 200 design guide 22
- N types of soft start control 22
- N understanding soft starter ratings 22
- Ac53b for soft starters used with bypass contactors for example the following ac53b code describes a soft starter which when bypassed is capable of supplying 145 a run current and a start current of 4 x flc for 30 seconds with a minimum of 570 seconds between the end of one start and the commencement of the next 23
- In summary a soft starter has many current ratings these current ratings are dependent on the start current and operational performance required by the application 23
- Mcd 200 design guide 23
- Model selection 23
- N model selection 23
- Nb the above start current requirements are typical and appropriate in most circumstances however start torque requirements and performance of motors and machines does vary please contact danfoss if the application requires duties other than listed in this manual 23
- Nb to fully understand the model selection procedures it is important to have a good knowledge of the fundamental principles of soft starter ratings see understanding soft starter ratings 23
- Soft start application guide 23
- Starter current rating maximum flc rating of the motor to be connected to the soft starter given the operating parameters specified by the remaining items in the ac53a code start current the maximum start current that will be drawn during start start time the time taken for the motor to accelerate on load duty cycle the percentage of each operating cycle that the soft starter will run starts per hour the number of operating cycles per hour 23
- To compare the current rating of different soft starters it is important to ensure that operating parameters are identical 23
- To select the correct mcd 200 model 1 determine whether the application requires a normal duty or a heavy duty rating the table below can be used as a guide 2 see the tables in ratings and select an mcd 200 model with an flc rating greater than that of the motor 23
- Application benefits 24
- Centrifuges 24
- Compressors 24
- Conveyor belts 24
- Mcd 200 design guide 24
- Mixers 24
- N power factor correction 24
- N typical applications 24
- Ski lifts 24
Похожие устройства
- Danfoss MCD 202-015-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-015-T4-xxx Руководство по проектированию
- Danfoss MCD 202-018-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-018-T4-xxx Руководство по проектированию
- Danfoss MCD 202-022-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-022-T4-xxx Руководство по проектированию
- Danfoss MCD 202-030-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-030-T4-xxx Руководство по проектированию
- Danfoss MCD 202-037-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-037-T4-xxx Руководство по проектированию
- Danfoss MCD 202-045-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-045-T4-xxx Руководство по проектированию
- Danfoss MCD 202-055-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-055-T4-xxx Руководство по проектированию
- Danfoss MCD 202-075-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-075-T4-xxx Руководство по проектированию
- Danfoss MCD 202-090-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-090-T4-xxx Руководство по проектированию
- Danfoss MCD 202-110-T4-xxx Инструкция по эксплуатации
- Danfoss MCD 202-110-T4-xxx Руководство по проектированию
Скачать
Случайные обсуждения