Emerson Epsilon EP Drive 400518-01 Manual de instalación Pagina 18

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6
Epsilon EP-P Drive and FM-3/4 Module Reference Manual
Numeric parameter units are sometimes shown before the actual value, because the parameter value and the units cannot be
displayed on one line. The unit of measure will appear on the second line for about one second. Then the actual parameter
value will appear. The parameter value is updated about five times a second.
How Motion Works
The Epsilon EP-P drive and FM-3/4 module provides four types of motion: jogging, homing, indexing and gearing. Only one
index, jog, home or gear may be in process at any given moment (exclusionary motion types). Through assignments and
programs, the device can sequentially run various motion routines. The Positive direction parameter affects all motion types
by specifying which direction of motor revolution (CW or CCW) is considered motion in the “+” direction.
How Jogging Works
Jogging produces rotation of the motor at controlled velocities in a positive or negative direction.
Assignments to jogs are level sensitive such that when the jog input is turned on, jogging begins and continues jogging until
the jog input is removed.
Each jog has its own acceleration and deceleration ramp along with a specified velocity. Jogging has no distance parameter
associated with it. If trying to move a specific distance or to a known position, then an index is used.
Figure 6: Jog View
How Home Works
The Home is used in applications in which the axis must be precisely aligned with some part of the machine. The Home is
initiated in one of three ways: with the Initiate Destination function found in the Assignments view, through a program, or
with the Online tab. A Home or Define Home is required to set the Absolute Position Valid so that any index to absolute
position can work.
The Epsilon EP-P drive and FM-3/4 module can home the motor to an external sensor, the motor’s encoder marker pulse, or
to a sensor and then to the encoder marker pulse.
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