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RVS-DX, Digital Soft Starter Instruction Manual—04/01/04
7-4
High Inertia Loads-Fans, Centrifuges, etc.
Initial Voltage (IV)-set 50%
Current limit (CL)-set 400%
Acceleration time (AT)-set 20 sec.
Voltage and current increase until
current reaches “ Current Limit”. The
volatage is held at this value until
motor is close to nominal speed, then
current will begin to decrease. The
HRVS-DX continues to ramp-up the
voltage until reaching nominal. Motor speed smoothly accelerates to full speed.
Special starting-Using Dual Adjustment
Using two starting characteristics, the starter will accelerate to the
Dual Adjustment-IV reaching 100% current limit. After the
Immediate Relay delay time, voltage to terminal C1 is switched
off, using the standard characteristic to complete acceleration.
This method of starting is useful to prevent initial high
acceleration.
(Application: Submersible pumps, Drum fans with resonating
frequency, etc.)
Dual Adj. Par.
Standard Par.
Initial Voltage
10%
25%
Acceleration Time
t1=2-30 sec
t2=2-30 sec
Current Limit
200%
300-400%
Imm. Rel. ON
delay
Tx=1-60 sec
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Summary of Contents for 188-10130
Page 7: ...c h a p t e r 1 Introduction...
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Page 11: ...c h a p t e r 2 Installation...
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Page 15: ...c h a p t e r 3 RVS DX Terminals and Wiring...
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Page 18: ...RVS DX Digital Soft Starter Instruction Manual 04 01 04 3 4 Typical Wiring Diagram...
Page 21: ...c h a p t e r 4 Control Layout...
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Page 27: ...c h a p t e r 5 Features...
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Page 37: ...c h a p t e r 6 Parameters...
Page 38: ...This page intentionally left blank...
Page 46: ...c h a p t e r 7 Start Up Procedure...
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Page 52: ...C h a p t e r 8 Troubleshooting...
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Page 56: ...a p p e n d i x A Technical Data Specifications...
Page 57: ...This page intentionally left blank...
Page 60: ...a p p e n d i x B Dimensional Drawings...
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Page 64: ...RVS DX Digital Soft Starter Instruction Manual 4 01 04 B 5 Protected Chassis RVS DX 210 310A...
Page 65: ...a p p e n d i x C Fuse Selection Table...