Siemens 6ES7357-4AH01-0AE0 S7-300 FM 357-4 Positioning Module
Item NO.: 3746479
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameSiemens 6ES7357-4AH01-0AE0 S7-300 FM 357-4 Positioning Module
- Item NO.3746479
- Weight0.6000 kg = 1.3228 lb = 21.1644 oz
- CategoryPLC
- BrandSiemens
- Creation Time2026-08-25
- S7-300 FM 357-4 Positioning Module
6ES7357-4AH01-0AE0
S7-300 FM 357-4 Positioning Module
Lifecycle Status: Phase-out (Active for spare parts)
Key Information
6ES7357-4AH01-0AE0 is a Siemens SIMATIC S7-300 FM 357-4 positioning module for up to 4 axes. It is designed for high-performance positioning tasks in machine tools, packaging machines, and handling systems. The module supports incremental encoders (5V) and synchronous encoders (SSI), and features a PROFIBUS DP interface for distributed operation.
Order number 6ES7357-4AH01-0AE0 · Requires S7-300 rack and configuration software
- • Positioning axes: 4 (independent)
- • Encoder types: Incremental (5V) and SSI synchronous encoders
- • Communication: PROFIBUS DP interface (DP-V1)
- • Firmware: V4.1 (current version)
Functions
Positioning Functions
- 4-axis positioning with independent operation
- Absolute positioning with SSI encoders
- Relative positioning with incremental encoders
- Speed control and velocity profiles
- Overlap operation for continuous motion
- Referencing with homing to reference switch
- Software limit switches for each axis
Additional Functions
- Data exchange via PROFIBUS DP (DP-V1)
- Diagnostic alarms with detailed error messages
- Configurable digital inputs/outputs (8 DI / 8 DO)
- Advanced positioning algorithms for high precision
- Multiplex operation for up to 4 axes on one drive
- Support for CAM disk and electronic cams
- Integrated PLC functionality for simple sequences
Supports direct connection to SINAMICS drives via PROFIBUS
Specifications
General & Power Supply
- Power supply: 24V DC (20.4V ~ 28.8V)
- Input current from L+: 800 mA max
- Input current from backplane bus: 80 mA max
- Power loss: 11 W typical
- Protection class: IP20
- Ambient temperature: 0°C ~ 60°C
Encoder Interfaces
- Incremental encoder (5V): RS422, 5V differential
- Synchronous encoder (SSI): 24V, clock/data
- Encoder frequency: 500 kHz max
- Number of encoders: 4 (1 per axis)
- Digital inputs: 8 (24V, 4 for limit switches per axis)
- Digital outputs: 8 (24V, 0.5A per channel)
- Interfaces: PROFIBUS DP (9-pin D-sub)
IEC 61131-2 compliant · Suitable for harsh industrial environments
Installation
- Mounting: Plugs into any S7-300 rack (UR, ER, CR). Can be installed in any slot of the rack (except slot 1 for CPU).
- Configuration: Requires the FM 357-4 option package (order number 6ES7357-4AH01-0AE0 includes CD-ROM with documentation and configuration software).
- Wiring: Use the supplied 40-pin front connector (6ES7392-1AM00-0AA0). Shielded cables required for encoder connections.
- PROFIBUS connection: Connect via 9-pin D-sub connector to the PROFIBUS DP network.
- Commissioning: Configure module parameters in STEP 7 or TIA Portal. Requires basic knowledge of positioning technology.
- Firmware update: Update via PROFIBUS or MMC card.
Lifecycle
Status & Availability
- Lifecycle status: Phase-out product.
- Status: Active for spare parts.
- Last order date: Announced with 3-year phase-out period.
- Availability: Expected to remain available through at least 2030+ as a spare part.
- Support: Full technical support from Siemens.
Migration Paths
Drop-in replacement: 6ES7357-4AH00-0AE0 (predecessor). No project changes required for replacement.
S7-1500 replacement: 6ES7552-1AA00-0AB0 (TM Motion) + 6ES7553-1AA00-0AB0 (TM Servo)
Migration requirements:
- • Program must be ported to TIA Portal
- • Hardware modules replaced with S7-1500 technology modules
- • Configuration and programming completely different
- • Full re-engineering required, no plug-and-play migration
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Frequently Asked Questions
Is 6ES7357-4AH01-0AE0 discontinued? What is its availability?
This module is in the phase-out phase. It remains available as a spare part and is expected to be available through at least 2030+. The predecessor 6ES7357-4AH00-0AE0 is also discontinued.
What is the maximum number of axes this module can control?
The FM 357-4 supports positioning for up to 4 axes. Each axis can be configured independently with its own encoder and drive.
What types of encoders are supported?
The module supports incremental encoders (5V, RS422) and synchronous SSI encoders (24V). It does not support absolute encoders other than SSI.
Which programming software is supported?
Supports STEP 7 V5.5 or higher and TIA Portal V13 or higher. The FM 357-4 option package (included with the module) is required for configuration.
Does this module support PROFINET?
No, the FM 357-4 features only a PROFIBUS DP interface (DP-V1). For PROFINET connectivity, a separate CP 343-1 is required.
What is the long-term migration path to S7-1500?
The recommended S7-1500 replacement is the TM Motion (6ES7552-1AA00-0AB0) combined with TM Servo (6ES7553-1AA00-0AB0). This is not a plug-and-play replacement; full hardware and software re-engineering is required.
