Gold Twitter Installation Guide
MAN-G-TWI (Ver. 2.000)
|Main Power and Control Connector|
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40
Table of Contents
10.2.3.2.2
SMPS Option
This option describes a main power and control topology without regeneration, but with limited
Braking capabilities dependent on additional capacitance.
The C
external
can be mounted on the Integration Board if there are no space limitations.
In this configuration the Gold Twitter max operating voltage depends on the model, and is 55VDC,
75VDC, or 95VDC. However the DC bus must be limited to VP+ <40VDC to prevent failure of the VL
supply.
Figure 19: SMPS Single Power Supply (VP+<40V) Connection Diagram with VL+ Connected Internally
Note:
This option is available for power supply up to 40VDC.
For applications where a SMPS single power supply is used, the following conditions must
apply:
•
External capacitance must be added on the DC bus
•
The Over Voltage of the Gold Twitter must be programmed using the drive software
command
XP[1]
=38 (over-voltage set to 38V)
•
The Minimum capacitance of the Power supply:
C
external
> “Drive’s Rated Current” *20uF
•
The VL- to PR is connected on the Integration Board (no external wiring)
•
The VL- to PR connection must be as thick as possible, actually a “Ground Plane” is most
preferable
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