Contents Soft Starter Selection Guide Warnings . 5 Common Applications . 6 MCD Soft Starter Features and Specifications . 8 Curr
Star/Delta Starters . 41 Thermal Model Protection . 43 Two Speed Motors . 44 Types of Soft Starter . 45 MCD Bus Options MCD Bus
Warnings Soft starter selection requires information on the intended application, the features required, and the current rating
Common Applications This table lists common applications for soft starters and it’s nominal duty ratings. Application Agitator A
Application Mixer (low viscosity) Mixer (high viscosity) Pelletiser Planer Press Pump, bore Pump, centrifugal Pump, positive dis
MCD Soft Starter Features and Specifications MCD 201 • Soft start/stop: Timed voltage ramp • Motor protection: not included • Sy
MCD 500 • Soft start: Current limit, Current ramp, Kickstart, AAC Adaptive Acceleration Control • Soft stop: Timed voltage ramp,
MCD 3000 • Soft start: Current limit, Current ramp, Torque control, Torque boost • Soft stop: Timed voltage ramp, Pump control,
Current Ratings These duty ratings define the load requirements, not the starter capabilities. Starter capability is specified s
Normal MCD 201-007 MCD 201-015 MCD 201-018 MCD 201-022 MCD 201-030 MCD 201-037 MCD 201-045 MCD 201-055 MCD 201-075 MCD 201-090 M
Normal MCD3007 MCD3015 MCD3018 MCD3022 MCD3030 MCD3037 MCD3045 MCD3055 MCD3075 MCD3090 MCD3110 MCD3132 MCD3185 MCD3220 MCD3300 M
Soft Starter Sizing • The soft starter’s current rating at the required start duty must be at least equal to the motor’s namepla
ACC: What is Adaptive Acceleration Control? AAC is the next evolution in soft starter technology. Using AAC, the soft starter le
AC53 Utilisation Codes: What are AC53 Utilisation Codes? AC53 utilisation codes describe the current rating for soft starters un
Auto-Transformer Starters: How does soft start compare to auto-transformer starting? Soft starters are much more flexible than a
Braking: What are DC braking and soft braking? DC braking and soft braking both reduce motor stopping time, unlike soft stopping
Bypass Contactors: When should a bypass contactor be used? Bypass contactors bridge out the SCRs when the motor is running at fu
Cabling: How is cable selected for a soft starter installation? Cable selection criteria depends on the circuit and the location
Cabling: What is the maximum allowable cable, distance between a soft starter and the motor? The maximum distance between the so
Extreme Conditions: How can soft starters be selected for extreme conditions? Soft starter ratings are based on specific operati
Flying Loads: Are soft starters suitable for use with a flying load? Soft starters can be used with flying loads (motors that ar
IP ratings IEC 60529 specifies protection ratings for enclosures. The first number describes the protection against solid object
NEMA ratings NEMA 250 is a product standard for enclosure design and performance. NEMA 1 2 3 3R 4 Protection against solid objec
Inside delta Connection: What is “inside delta” connection? With inside delta (six wire connection), the soft starter SCRs are i
Key Benefits: What are the key benefits of soft start? Soft start enhances motor start performance in many ways. • The gradual a
Line Contactors: When should a line contactor be used? Soft starters can be installed with or without a line contactor. A line c
Minimum Start Current: What is the minimum start current required by a soft starter? Soft starters can limit start current to an
Multiple motors: Can one soft starter be used to control multiple motors? A single soft starter can be used to control multiple
Power factor correction: Can power factor correction be used with soft starters? Power factor correction (PFC) capacitors can be
Jog: What is the jog function? MCD 500 includes a slow speed “jog” function which allows the operator to run the motor at reduce
Sealed enclosures: Can soft starters be installed in sealed enclosures? Soft starters can be installed in sealed enclosures, pro
Short Circuit Protection: What is required for Type 1 short circuit protection of a soft starter? Type 1 protection requires tha
Short Circuit Protection: What is required for Type 2 short circuit protection of a soft starter? Type 2 protection requires tha
Semiconductor Fuse Selection: Type 2 • Semiconductor fuses may be used with MCD soft starters. Use of semiconductor fuses will p
• Semiconductor fuses listed below are manufactured by Bussman and should be ordered directly from Bussman or their local suppli
• Semiconductor fuses listed below are manufactured by Bussmann and should be ordered directly from Bussmann or their local supp
Slip-Ring Motors: Are soft starters suitable for use with slip-ring motors? Soft starters are suitable for use with slip-ring mo
Soft Braking: What is soft braking? Soft braking is a technique used by the soft starter to reduce motor stopping time, unlike s
Star/Delta Starters: How does soft start compare with star/delta starting? Soft starters are much more flexible than star/delta
Star/Delta Starters: Can soft starters be used to replace star/delta starters? If the soft starter supports inside delta connect
Thermal Model Protection: How is a motor thermal model different from other forms of overload protection? The motor thermal mode
Two-Speed Motors: Are soft starters suitable for use with two-speed motors? Soft starters are suitable for use with Dahlander an
Types of Soft Starter: What are the different types of soft starters? There are three different types of soft starter which offe
MCD Bus Options – General Notes All bus options have the ability to: • Control the soft starter • Monitor the soft starter statu
MCD 200 with MCD Remote Operator Option This requires an MCD Serial Interface Module which clips onto the side of the MCD 200. I
MCD 200 Modbus Option There are two options to connect an MCD 200 to a Modbus network. Option 1: Using an MCD Modbus Module (Cat
MCD 200 Modbus Option Option 2: Using the MCD Remote Operator as a Modbus RTU Gateway device (Cat. No: 175G9004) MCD200 MCD Seri
MCD 200 DeviceNet Option This requires an MCD DeviceNet Module which clips onto the side of the MCD 200 (Cat. No: 175G9002). MCD
MCD 200 Profibus Option This requires an MCD Profibus Module which clips onto the side of the MCD 200 (Cat. No: 175G9001). MCD20
MCD 200 USB Option This is achieved using the MCD USB Module (Cat. No: 175G9009). MCD200 MCD USB Module PC USB cable Cat. No: 17
MCD 500 with MCD Remote Operator Option This requires a MCD Modbus Module which clips onto the side of the MCD 500. The MCD Modb
MCD 500 Modbus Option This requires an MCD Modbus Module which clips onto the side of the MCD 500 (Cat. No: 175G9000). MCD500 MC
MCD 500 DeviceNet Option This requires an MCD DeviceNet Module which clips onto the side of the MCD 500 (Cat. No: 175G9002). MCD
MCD 500 Profibus Option This requires an MCD Profibus Module which clips onto the side of the MCD 500 (Cat. No: 175G9001). MCD50
MCD 500 USB Option This is achieved using the MCD USB Module (Cat. No: 175G9009). MCD500 MCD USB Module PC USB cable Cat. No: 17
MCD 3000 with MCD Remote Operator Option This is achieved using the MCD Remote Operator (Cat. No: 175G3061). MCD Remote Operator
MCD 3000 Modbus Option This is achieved using the MCD Remote Operator (Cat. No: 175G3061) as a Modbus RTU Gateway on the RS485 N
MCD 3000 DeviceNet Option This is achieved using an externally fitted MCD3000 DeviceNet Gateway (Cat. No: 175G9005) RS485 Device
MCD 3000 Profibus Option This requires an externally fitted MCD Profibus Gateway (Cat. No: 175G0092) Address #1 ASCII MCD Profib
Glossary AAC – Adaptive Acceleration Control. A new soft start control technique that allows the soft starter to estimate the mo
Glossary Crusher, jaw – a crusher with one fixed side and one moving “jaw”. The crusher is wider at the top than the bottom, and
Glossary Gyratory crusher – see Crusher, cone. Hydraulic power pack – A hydraulic pump which is used to supply pressurised hydra
Glossary Nameplate rating – See Full load current. NEMA – a description of the soft starter’s physical format, according to the
Glossary Sander – a machine which smooths raw material by abrading the surface. Saw – a machine which uses a serrated edge to cu
Abbreviations AC – Alternating Current DC – Direct Current DOL – Direct On Line FLC – Full Load Current FLT – Full Load Torque H
Melbourne: Tel. (03) 9703 5100, Fax. (03) 9703 5159 Sydney: Tel. (02) 8845 1800, Fax. (02) 9638 6088 Brisbane: Tel. (07) 3690 18
Page 1:
MAKING MODERN LIVING POSSIBLE Pocket Guide
Page 2:
Page 3:
Contents Soft Starter Selection Guide Warnings . 5 Common Applic
Page 4:
Star/Delta Starters . 41 Thermal Model Protection . 43 Two Speed
Page 5:
Warnings Soft starter selection requires information on the inte
Page 6:
Common Applications This table lists common applications for sof
Page 7:
Application Mixer (low viscosity) Mixer (high viscosity) Pelleti
Page 8:
MCD Soft Starter Features and Specifications MCD 201 • Soft star
Page 9:
MCD 500 • Soft start: Current limit, Current ramp, Kickstart, AA
Page 10:
MCD 3000 • Soft start: Current limit, Current ramp, Torque contr
Page 11:
Current Ratings These duty ratings define the load requirements,
Page 12:
Normal MCD 201-007 MCD 201-015 MCD 201-018 MCD 201-022 MCD 201-0
Page 13:
Normal MCD3007 MCD3015 MCD3018 MCD3022 MCD3030 MCD3037 MCD3045 M
Page 14:
Soft Starter Sizing • The soft starter’s current rating at the r
Page 15:
ACC: What is Adaptive Acceleration Control? AAC is the next evol
Page 16:
AC53 Utilisation Codes: What are AC53 Utilisation Codes? AC53 ut
Page 17:
Auto-Transformer Starters: How does soft start compare to auto-t
Page 18:
Braking: What are DC braking and soft braking? DC braking and so
Page 19:
Bypass Contactors: When should a bypass contactor be used? Bypas
Page 20:
Cabling: How is cable selected for a soft starter installation?
Page 21:
Cabling: What is the maximum allowable cable, distance between a
Page 22:
Extreme Conditions: How can soft starters be selected for extrem
Page 23:
Flying Loads: Are soft starters suitable for use with a flying l
Page 24:
IP ratings IEC 60529 specifies protection ratings for enclosures
Page 25:
NEMA ratings NEMA 250 is a product standard for enclosure design
Page 26:
Inside delta Connection: What is “inside delta” connection? With
Page 27:
Key Benefits: What are the key benefits of soft start? Soft star
Page 28:
Line Contactors: When should a line contactor be used? Soft star
Page 29:
Minimum Start Current: What is the minimum start current require
Page 30:
Multiple motors: Can one soft starter be used to control multipl
Page 31:
Power factor correction: Can power factor correction be used wit
Page 32:
Jog: What is the jog function? MCD 500 includes a slow speed “jo
Page 33:
Sealed enclosures: Can soft starters be installed in sealed encl
Page 34:
Short Circuit Protection: What is required for Type 1 short circ
Page 35:
Short Circuit Protection: What is required for Type 2 short circ
Page 36:
Semiconductor Fuse Selection: Type 2 • Semiconductor fuses may b
Page 37:
• Semiconductor fuses listed below are manufactured by Bussman a
Page 38:
• Semiconductor fuses listed below are manufactured by Bussmann
Page 39:
Slip-Ring Motors: Are soft starters suitable for use with slip-r
Page 40:
Soft Braking: What is soft braking? Soft braking is a technique
Page 41:
Star/Delta Starters: How does soft start compare with star/delta
Page 42:
Star/Delta Starters: Can soft starters be used to replace star/d
Page 43:
Thermal Model Protection: How is a motor thermal model different
Page 44:
Two-Speed Motors: Are soft starters suitable for use with two-sp
Page 45:
Types of Soft Starter: What are the different types of soft star
Page 46:
MCD Bus Options – General Notes All bus options have the ability
Page 47:
MCD 200 with MCD Remote Operator Option This requires an MCD Ser
Page 48:
MCD 200 Modbus Option There are two options to connect an MCD 20
Page 49:
MCD 200 Modbus Option Option 2: Using the MCD Remote Operator as
Page 50:
MCD 200 DeviceNet Option This requires an MCD DeviceNet Module w
Page 51:
MCD 200 Profibus Option This requires an MCD Profibus Module whi
Page 52:
MCD 200 USB Option This is achieved using the MCD USB Module (Ca
Page 53:
MCD 500 with MCD Remote Operator Option This requires a MCD Modb
Page 54:
MCD 500 Modbus Option This requires an MCD Modbus Module which c
Page 55:
MCD 500 DeviceNet Option This requires an MCD DeviceNet Module w
Page 56:
MCD 500 Profibus Option This requires an MCD Profibus Module whi
Page 57:
MCD 500 USB Option This is achieved using the MCD USB Module (Ca
Page 58:
MCD 3000 with MCD Remote Operator Option This is achieved using
Page 59:
MCD 3000 Modbus Option This is achieved using the MCD Remote Ope
Page 60:
MCD 3000 DeviceNet Option This is achieved using an externally f
Page 61:
MCD 3000 Profibus Option This requires an externally fitted MCD
Page 62:
Glossary AAC – Adaptive Acceleration Control. A new soft start c
Page 63:
Glossary Crusher, jaw – a crusher with one fixed side and one mo
Page 64:
Glossary Gyratory crusher – see Crusher, cone. Hydraulic power p
Page 65:
Glossary Nameplate rating – See Full load current. NEMA – a desc
Page 66:
Glossary Sander – a machine which smooths raw material by abradi
Page 67:
Abbreviations AC – Alternating Current DC – Direct Current DOL –
Page 68:
Melbourne: Tel. (03) 9703 5100, Fax. (03) 9703 5159 Sydney: Tel.
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