Siemens SIMATIC ET 200S - Figure 3-11 Reference Point Run with Minus Limit Switch

1PosInc/Digital
3.6 Functions of the 1PosInc/Digital
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
75
Example 2: Reference Point Run with Minus Limit Switch
● Start position: between the minus limit switch and the plus limit switch
● Start direction: Minus
● Reference signal: Reference switch
● Reference switch: Minus limit switch
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Figure 3-11 Reference Point Run with Minus Limit Switch
You can also carry out synchronization at the limit switch with the following zero mark.
If the start position is at the limit switch, the 1PosInc/Digital controls the drive directly in
creep feed in the referencing direction.