184
Part 2 Programs
PUSH (Move by push motion)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional PUSH
Target
position
number
Prohibited PE
[Function] Perform push-motion operation until the target position specified in operand 1 is reached.
The axes move in a normal mode from the position origin to the push-motion approach start
position as determined by a PAPR command, after which push-motion approach operation
(toque-limiting operation) will be performed. The speed of push-motion approach operation
(toque-limiting operation) is determined by the push-motion approach speed specified by a
PAPR command. If the output field is specified, the output will turn ON when a contact is
confirmed, and turn OFF when a missed contact is detected.
The push force can be adjusted using “Driver parameter No. 38, Push torque limit at
positioning” (default value: 70%).
(Note 1) A PUSH command only moves a single axis. If multiple axes are specified, an “Error No. C91,
Multiple push-axes specification error” will generate.
(Note 2) A push-motion approach speed exceeding the maximum speed permitted by the system will
be clamped at the maximum speed. (The maximum system speed is not the maximum
practical speed. Determine a practical speed by considering the impact upon contact, etc.)
(Note 3) Push-motion operation cannot be performed with a synchro controller.
Y-axis
Position origin
Push-motion approach distance
Target position
X-axis
Start position of push-motion approach operation
(torque-limiting operation)
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