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6ES7357-4AH01-0AE0

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Siemens 6ES7357-4AH01-0AE0 is an FM 357-2 four-axis positioning module that coordinates servo, stepper or SIMODRIVE axes inside an S7-300 control system.
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Technical specifications for 6ES7357-4AH01-0AE0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7357-4AH01-0AE0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    SIMATIC S7-300 FM 357-2 Four-Axis Positioning Module
  • Stock:
    1
  • Controlled Axes:
    Up to 4
  • Processor:
    M80486
  • Drive Types:
    Analog servo and stepper
  • Measuring Circuits:
    4
  • Supply Voltage:
    24 V DC
  • Maximum Backplane Current:
    100 mA
  • 5 V Encoder Supply:
    Maximum 210 mA
  • 24 V Encoder Supply:
    Maximum 300 mA
  • Power Loss:
    15 W
  • NC Program Memory:
    750 KB
  • Digital Inputs:
    18
  • Digital Outputs:
    8
  • Encoder Types:
    Symmetrical incremental and SSI absolute
  • Maximum Incremental Input Frequency:
    1 MHz
  • SSI Telegram Length:
    13, 21 or 25 bit
  • Required Front Connector:
    1 x 40-pin
  • Weight:
    2.6455 lbs (1.2 kg)
  • Estimated shipping dimensions:
    20x12.5x11.8cm
  • Tariff Code:
    85389091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Axis Control Drive Paths Data Storage Diagnostics

Features:

  • The FM 357-2 controls as many as four rotary or linear positioning axes.
  • Analog servo, stepper and SIMODRIVE 611-U drive paths are supported by the documented hardware.
  • Local processing keeps position control and interpolation inside the function module.
The S7-300 CPU exchanges commands and status with the FM while the module calculates the axis movement.

Encoder feedback returns through four measuring circuits so each configured axis can report actual position.

Backplane communication, field supply and drive cabling form separate paths that must all be present for operation.

The Siemens 6ES7357-4AH01-0AE0 FM 357-2 Positioning Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7357-4AH01-0AE0 FM 357-2 Positioning Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Separating trajectory calculation from the PLC scan

  • Local processor: The M80486 executes the position-control and interpolation tasks inside the FM.
  • Axis count: Up to four rotary or linear axes can be configured for independent or coordinated movement.
  • PLC exchange: The S7-300 CPU supplies commands and receives motion status through the backplane interface.
  • Cycle timing: Position control and interpolation run on their documented local cycles rather than the PLC scan.

Matching command and feedback hardware per axis

  • Analog servo: The analog command path controls a compatible servo drive while an encoder returns actual position.
  • Stepper control: Pulse and direction outputs command a configured stepper drive.
  • Digital drive: SIMODRIVE 611-U uses the documented digital drive connection for its axis data.
  • Feedback circuits: Four measuring circuits accept the position feedback assigned to the configured axes.

Keeping motion data in the function module

  • User memory: Nonvolatile module memory stores the configured machine and motion data.
  • CPU interface: PLC blocks exchange orders, parameters and status with the FM through the S7-300 backplane.
  • Local execution: The FM processes axis commands without moving each interpolation step through the central CPU.
  • Data check: Hardware configuration and module data must identify the exact FM 357-2 order number.

Tracing module, drive and feedback conditions

  • Front indicators: LEDs provide a first separation between module state and active fault conditions.
  • Axis status: Commissioning data identifies whether a problem belongs to an axis, drive or encoder path.
  • Supply paths: Backplane communication and the external 24 V field supply should be checked independently.
  • Startup load: The external source must accommodate the specified startup current as well as steady operation.
Description
Siemens 6ES7357-4AH01-0AE0 is an FM 357-2 positioning module for the SIMATIC S7-300 system. Its local processor executes positioning and interpolation tasks for as many as four rotary or linear axes while the S7-300 CPU handles the surrounding machine program.

Axis hardware attached to 6ES7357-4AH01-0AE0 can use analog servo drives, stepper drives or the documented SIMODRIVE 611-U path. Four measuring circuits return actual-position information to the module, so the selected encoder connection closes the motion loop for its assigned axis.

Program and machine data for 6ES7357-4AH01-0AE0 are held in the module memory and exchanged with the S7-300 through the backplane. The local position-control and interpolation cycles keep the motion calculation on the FM rather than transferring every axis calculation to the central CPU.

An external 24 V DC source powers the field-side functions of 6ES7357-4AH01-0AE0, while the S7-300 backplane supplies the module interface. Front indicators and diagnostic information separate module state from drive, encoder and axis conditions during commissioning.
Alternative Names
6ES73574AH010AE0 6ES 7357-4AH01-0AE0 6ES7357 4AH01 0AE0 Siemens 6ES7357-4AH01-0AE0 FM 357-2 6ES7357-4AH01-0AE0 S7-300 6ES7357-4AH01-0AE0 6ES7357-4AHO1-0AE0 6ES7357-4AH01-OAE0
Technical notes
Siemens 6ES7357-4AH01-0AE0 is the FM 357-2 hardware for as many as four coordinated axes. Drive and encoder wiring must follow the selected axis type.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which axis technologies can be connected to 6ES7357-4AH01-0AE0?
The 6ES7357-4AH01-0AE0 supports the documented analog servo, stepper and SIMODRIVE 611-U control paths for up to four axes.
Why does 6ES7357-4AH01-0AE0 use its own processor?
The local processor lets 6ES7357-4AH01-0AE0 execute position-control and interpolation cycles without placing every motion calculation in the S7-300 CPU.
Where does encoder feedback enter 6ES7357-4AH01-0AE0?
Encoder actual-position signals enter the measuring circuits of 6ES7357-4AH01-0AE0 and are assigned to the corresponding configured axes.
What should be checked if 6ES7357-4AH01-0AE0 communicates but the drives remain inactive?
Check the external 24 V supply, axis configuration and selected drive output on 6ES7357-4AH01-0AE0 separately from its backplane link.
How does the S7-300 CPU exchange motion data with 6ES7357-4AH01-0AE0?
The CPU sends orders and reads status through the backplane interface while 6ES7357-4AH01-0AE0 retains the local motion data and executes the trajectory.
Can all four axes of 6ES7357-4AH01-0AE0 be assumed to use the same wiring?
No. Each 6ES7357-4AH01-0AE0 axis must follow the connector and feedback arrangement for its selected analog, stepper or digital drive type.

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