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MCD 200 Design Guide
Ramp Down
(2 - 20 seconds, No Soft Stop)
U
100%
177HA251.10
■ Indication
1L13L25L3
2T14T26T3
Ready
Run
177HA252.10
LED OFF ON FLASH
Ready No control
power
Ready Starter
tripped
Run Motor not
running
Motor
running at
full speed
Motor
starting or
stopping
■ Fault Finding
Ready LED Description
x1
Power Circuit Fault:
Check mains supply L1, L2 &
L3, motor circuit T1, T2 & T3
and soft starter SCRs.
x6
Supply Frequency:
Check sup ply frequency is in
range
x8
Network Comms Failure
(between accessory module
and network):
Check network connections
and settings.
x9
Starter Comms Failure (between
starter and accessory m o dule):
Remove and refit accessory
module.
MG.17.C2.02 - VLT is a registered Danfoss trademark
14
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
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