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Commission analog interface

Drives_Uwe
Community Moderator

If an axis/spindle should be simply controlled via an anlog input the following settings need to be established.

Parameter settings
1. Set application profile: Analog

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Fig. 1: Analog profile setting

2. Set digital inputs and output

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Fig. 2: Settings of inputs and output

3. Set analog input

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Fig. 3: Analog input settings

4. Activate E-Stop function

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Fig. 4: E-Stop function

5. Set speed acknowledging parameters

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Fig. 5: Setting when commanded speed is acknowledged (additionally the "Velocity window as percentage" may be set (usually done if axis/spindle is operated at very high speeds))

6. Set ramps for acceleration and deceleration

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Fig. 6: Ramps settings

 

Behavior

In setting E-Stop input XG31/3 on "1" and applying a 0 --> 1 flank at XG31/6 (drive enable), the drive now follows the velocity command value set in the analog input. In here the analog input is set to 2 V which reflects a set point of 1000 rpm as velocity command value. If the drive reaches the velocity command value, bit 0 in parameter S-0-0330 (Status n_feedback = n_command) ist set to "1", thus as well the output is set at XG31/8. See figure.

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Fig. 7: Axis/spindle following the commanded speed of 1000 rpm over analog input

 

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