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Group 50 — AC Drive Control
MVX9000 User Manual
5-49
Descriptions of
Parameter Settings
50.59
Zero Speed Holding
Torque
Range: 0.0 – 30.0%
Default: 5.0%
This parameter determines the Zero Speed Holding Torque,
when 50.58=01. The holding torque is in % and should be
increased slowly until proper holding torque is achieved. A
value too high will cause increased motor current and
temperature, which could lead to premature motor failure.
Only use this feature with a Vector Duty motor capable of a
1000:1 turn down ratio.
50.60
Second Source of
Operation Command
Range:
Default: 03
00
Operation determined by digital keypad
01
Operation determined by external control terminals,
keypad STOP is effective
02
Operation determined by external control terminals,
keypad STOP is ineffective
03
Operation determined by RS-485 interface, keypad STOP
is effective
04
Operation determined by RS-485 interface, keypad STOP
is ineffective
The Second Source of Operation Command is used when
HOA and Local/Remote options are selected in the Digital
Input terminal parameters (30.12 – 30.15).
50.61
HOA and LOC/REM
Stop Methods
Range:
Default: 01
00: Ramp to Stop
01: Coast to Stop
This parameter allows the user to choose the stop method
when the HOA or LOC/REM switch is moved from one
location to another.
50.62
OV Fault During Stop
State
Range:
Default: 00
00: Disable
01: Enable
This parameter automatically resets any OV Fault during a
STOP state, that would be caused by a high incoming line and
not motor regeneration. There is no limit to the quantity of
resets. Once the MVX is in a RUN state, any over voltage on
the DC bus will cause an OV fault to occur.
Содержание MVX9000 Series
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