￭
Fault reset
Position control logic-related errors can be reset by setting bit 1 in parameter 74.4.
(The source of the reset signal is defined by 74.21 Fault reset sel.) The same bit
can be used to reset all drive faults by selecting Position CW reset in parameter31.11.
￭
Jog forward, Jog reverse
Jogging can be activated separately in either the positive (74.22) or negative (74.23)
direction. The jog status is displayed by bits 2 and 3 in 74.4 Position command
status 1 respectively.
The profile used for jogging is defined with parameters 75.21, 75.22, 75.23 and
75.24.
￭
Set position
The value of parameter 86.2 or 87.3 can be set to another value according to 75.35
and 75.36.
The source for the position preset command is selected by 74.24.
The preset position can be set in axis states (74.10) Disabled or Standstill. The
status of the command is visible as bit 4 of 74.4.
￭
Homing
The homing command starts the procedure of homing 86.2 to 86.30. The source
of the command is selected by 74.25.
The homing mode is selected by 86.31 Homing mode. The acceleration and jerk
rates are defined by 86.37 and 86.38 respectively.
During some homing modes, the velocity changes from 86.35 to 86.36 according
to the state of the homing switch.
The status of the homing command is visible in bit 5 of 74.4; the operational status
is visible in bits 5 (Homing) and 4 (Homing done) in 74.1. Homing can be aborted
by issuing a stop command.
See also section Homing (page 46).
￭
Velocity
This command starts a continuous movement at constant velocity. The source of
the command is selected by 74.26. The status of the command is visible in bit 6
of 74.4.
During the acceleration or deceleration phase, the axis status (74.10) will be
Discrete. After target velocity (75.12) has been released, the status will change to
Continuous.
Position control program features 35
To Next Page
Loading...
