Siemens IP-Module Manual Pagina 98

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Machine Data, Modes and Traversing Programs IP 266
5.3.2 Jog 2 (Mode 2)
Jog 2
Mode
Override 1 to 200%
Parameters
Forward/Reverse/Stop/Exec
Function
In essence, the "Jog 2" mode is identical to the "Jog 1" mode. The machine data
contains two speed values for this mode:
Jog 2 forward speed
Jog 2 reverse speed
The jog speeds for jog mode 1 and jog mode 2 need not be identical.
5.3.3 Jog under Open-Loop Control (Mode 3)
Jog under
Op.-Loop
Contol
Override 1 to 200%
Parameters
Forward/Reverse/Stop/Exec
FunctionMode
In this mode, axis travel is under open-loop control. Computation of the setpoint
position is disabled when this mode is started with
"Forward" or
"Reverse"
The setpoint position is now matched to the actual position. The result is a
following error of zero. The setpoint position is matched at the speed defined in
the machine data for Jog 2 mode. This value can be varied from 1 to 200% via the
Override factor. The speed computed from the encoder signals is displayed on the
programmer.
If you invoked mode 73 before starting Jog 2 mode, the distance to go is
displayed.
Note:
The IP 266 needs correct data for the drive system (encoder, axis) to attain the
speed displayed. Incorrect machine data will result in incorrect computation of
the actual value.
5-26
EWA 4NEB 812 6057-02
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