1PosInc/Analog
4.6 Functions of the 1PosInc/Analog
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
133
You can see from the following table what effect the hardware limit switches have in the
individual MODEs:
MODE Effect of the Hardware Limit Switches
Search for Reference The 1PosInc/Analog automatically reverses the direction using
deceleration and acceleration when a hardware limit switch is reached.
Inching
Absolute Positioning
Relative Positioning
The motion of the axis is halted at the hardware limit switch with the output
of 0 V on the analog output, and the feedback bit POS_ERR is reported.
Starting on the hardware limit switch
Direction Response of the 1PosInc/Analog
Starting into the operating range The 1PosInc/Analog starts the specified MODE.
Starting away from the operating range The POS_ERR=1 feedback bit is set.
4.6.3 Effect of the Directional Enables
Definition
Using control bits DIR_M and DIR_P, you can enable control of the drive in the
corresponding direction:
● With DIR_M = 1 you can move in the minus direction.
● With DIR_P = 1 you can move in the plus direction.
Interrupting and Continuing the Run
If you reset the relevant directional enable during a run, the motion of the axis is halted by
deceleration to 0 V at the analog output, and the run is interrupted.
If you set the relevant directional enable again, the run is continued.
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