Product Overview
1-10
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Mode control
The operating mode is specified to the FM 353 by way of the user program.
The FM 353 has the following modes available:
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Jogging
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Open-loop control
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Reference point approach
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Incremental mode, relative
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MDI-Manual Data Input)
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Automatic
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Automatic single block
Determining position
The control frequency pulses emitted by the FM 353 are added internally to form a
position actual value.
Stepper motor control
The stepper motor control performs the following tasks:
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Guidance of the drive commensurate with speed during movement sequence
(e.g. adjustable acceleration and delay, start/stop operation)
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Output of step pulses in form of control frequency
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Output of a direction signal
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Accurate approach by axis into programmed target position
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Phase current control to the drive device
Digital inputs/outputs
Four digital inputs and four outputs can be used as specified by the user.
You might connect:
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Reference-point switches
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Switches for external starting
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Touch probes
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Position reached, Stop (“PEH”)
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Forward/backward rotation
The switching function is assigned to a given I/O number by way of the machine
data.
Summary of Contents for SIMATIC FM 353
Page 22: ...Product Overview 1 12 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 32: ...Installing and Removing 3 6 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 282: ...Description of Functions 9 82 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 354: ...User Data Block AW DB B 16 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...