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Summary of Contents for Nidec Digistart D2
- Page 2 If there is any doubt, please contact Nidec or your local Distributor. Environmental Statement Nidec is committed to minimising the impacts of its manufacturing operations. To this end, we operate an Environmental Management System (EMS) which is certified to the International Standard ISO 14001.
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Page 3: Table Of Contents
Schematic Diagrams ........................12 Programmable Parameters ......................13 Adjustments ............................13 Diagnostics ............................. 16 LEDs ..............................16 Trip Codes ............................16 Reset ..............................16 Protections ............................17 Technical Data ..........................18 Options ............................20 Digistart D2: User Guide Issue: F... -
Page 4: Safety Information
Some parameters have a profound effect on the operation of the starter. They must not be altered without careful consideration of the impact on the controlled system. Measures must be taken to prevent unwanted changes due to error or tampering. Digistart D2: User Guide Issue: F... -
Page 5: Electrical Installation
(e.g. a latching relay). 1.7.5 Short circuit The Digistart D2 is not short circuit proof. After severe overload or short circuit, the operation of the Digistart D2 should be fully tested by an authorised service agent. Digistart D2: User Guide... -
Page 6: Rating Data
100 A 100 A 96 A 87 A D2-140 140 A 133 A 120 A 110 A D2-170 170 A 157 A 142 A 130 A D2-200 200 A 186 A 165 A 152 A Digistart D2: User Guide Issue: F... -
Page 7: Mechanical Installation
(3.22) (7.91) (7.40) (6.49) (2.16) (3.6) (0.9) (4.85) D2-048 D2-060 D2-075 D2-085 110.5 D2-100 (5.70) (4.88) (8.46) (7.71) (7.59) (4.4) (1.5) (8.81) D2-140 D2-170 114.5 D2-200 (7.87) (6.30) (9.44) (8.50) (8.43) (4.5) (2.0) (14.33) Digistart D2: User Guide Issue: F... -
Page 8: Physical Installation
Soft starters may be mounted side by side with no clearance (that is, if mounted without communications modules). The soft starter may be mounted on its side. Derate the soft starter's rated current by 15%. Digistart D2: User Guide Issue: F... -
Page 9: Electrical Installation
Always follow the specified tightening torque for all power and ground terminal connections. All Digistart D2 starters include an internal bypass relay that bypasses the soft starter SCRs during run. This allows the Digistart D2 to be installed in a non-ventilated enclosure without an external bypass contactor. - Page 10 Motor thermistors can be connected directly to the Digistart D2 terminals TH1, TH2. If motor thermistors are not used, there must be a link between TH1, TH2 (the Digistart D2 is supplied with a link fitted). Digistart D2: User Guide...
- Page 11 This relay is normally open. Trip: The relay closes when the Digistart D2 trips. The relay can be used to operate the shunt-trip mechanism of an upstream circuit breaker (in order to isolate the motor branch circuit), or to signal the trip to an automation system or externally.
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Page 12: Schematic Diagrams
Soft starter installed with a system protection circuit breaker and main contactor 1/L1 2/T1 3/L2 4/T2 5/L3 6/T3 COM2 RLO2 Motor (three phase) Main contactor COM2, RLO2 Main contactor output COM1, RLO1 Programmable output (set to Trip) Digistart D2: User Guide Issue: F... -
Page 13: Programmable Parameters
The trip class reflects the maximum time (in seconds) that the motor can run at locked rotor current. The Motor Trip Class setting assumes a locked rotor current of 600%. Setting the motor trip class to "Off" disables motor overload protection. Digistart D2: User Guide Issue: F... - Page 14 Auxiliary relay function and phase sequence are configured using a shared switch. Set the auxiliary relay function as required, then set phase sequence protection. • Digistart D2 auxiliary relay and phase sequence protection examples Relay action: After a start command, the relay will operate when the soft start is COM1, RLO1 Trip complete.
- Page 15 Relay action: The relay will close when a trip occurs. Reset the trip and resume COM1, RLO1 Trip operation. Phase sequence protection: The soft starter will allow any phase sequence. Phase sequence Digistart D2: User Guide Issue: F...
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Page 16: Diagnostics
(open CSL to DI1, DI2). • In two wire control, if the Digistart D2 tripped with no start signal present (eg Digistart D2 motor thermistor trip), apply then remove the start signal (close then reopen CSL to DI1, DI2). The Reset button is located on the front of the unit, above the adjustment switches. -
Page 17: Protections
The Digistart D2 includes the following types of protection for the motor and starter: 6.4.1 Excess Start Time Protection The Digistart D2 will trip on excess start time if the motor does not successfully start within the time selected in the Excess Start Time setting. This may indicate that the load has stalled. -
Page 18: Technical Data
Rated short-circuit current D2-018 to D2-048 ..................5 kA Rated short-circuit current D2-060 to D2-200 .................. 10 kA These short circuit ratings are with fuses used as given in the table under Semiconductor Fuses on page 11. Digistart D2: User Guide Issue: F... - Page 19 Heat Dissipation During Start ........................3 watts / ampere During Run .......................... 10 watts typical • Approvals UL / C-UL ............................UL 508 CE ............................EN 60947-4-2 RoHS ................... Compliant with EU Directive 2011/65/EU Digistart D2: User Guide Issue: F...
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Page 20: Options
Tripped) • Performance monitoring (motor current, motor temperature) To use Digistart-Soft with the Digistart D2, the soft starter must be fitted with a USB Module, Modbus Module or a Remote Operator. Digistart D2 - Remote The Remote Keypad and Interface Kit comprises a Remote Keypad Interface Keypad module and the Remote Keypad display and keypad. - Page 21 Digistart D2: User Guide Issue: F...
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