Absolute Positioning (Mode 5) - Siemens simatic et 200s Operating Instructions Manual

1PosInc/Digital
3.6 Functions of the 1PosInc/Digital
3.6.7

Absolute Positioning (MODE 5)

Definition
With absolute positioning, the 1PosInc/Digital moves the drive toward absolute destinations.
To do this, the axis must be synchronized.
Supply the control interface with the destination, and start MODE 5 with the necessary
directional enable (DIR_M, DIR_P). The 1PosInc/Digital moves the drive at the preset speed
(control bit SPEED) toward the destination. At the switchover point the 1PosInc/Digital
switches from rapid feed to creep feed, and at the switch-off it terminates the run.
If you start during an active run, the 1PosInc/Digital executes the necessary change in
direction after the time T
Linear axis
The 1PosInc/Digital works out the direction in which the destination is approached. You must
set the necessary directional enable (DIR_M, DIR_P) to start. You can also set both enables.
80
has elapsed.
min
Operating Instructions, 05/2007, A5E00124871-04
ET 200S Positioning