Siemens SIMATIC S7-300 FM 351 Positioning Module

Description

The 6ES7351-1AH01-0AE0 is a Siemens FM 351 function module for the SIMATIC S7-300 PLC system. This specialized module is designed for fixed-speed positioning tasks, offering precise control for up to two channels, typically used with stepper motors. As part of the discontinued S7-300 series, this module is an ideal spare part to ensure the longevity and maintenance of existing automation infrastructure without requiring a costly system upgrade. Order now from PLC2Day for expert support and fast delivery.

Specifications

• Manufacturer: Siemens
• Product Family: SIMATIC S7-300
• Module Type: FM 351 Positioning Function Module
• Part Number: 6ES7351-1AH01-0AE0
• Number of Channels: 2
• Application: Positioning with stepper motors (rapid/creep speed)
• Supply Voltage: 24V DC (via backplane bus)

Label Info

• MLFB: 1P 6ES7 351-1AH01-0AE0
• Serial Number: S C_L6345050
• Hardware Version (E-Stand): 02

Application

This module is used in a wide range of industrial applications requiring precise motion control, such as conveyor systems, handling equipment, packaging machinery, and automated assembly lines that rely on the robust S7-300 platform.

Country of Origin

Made in Germany.

CO2 Impact

Choosing this reused Siemens module over a new one prevents the emission of approximately 14.0 kg of CO2. This saving is equivalent to the CO2 absorption of a small tree over several years.

Availability

This is an obsolete item. Availability is limited to existing stock. Please contact us for current inventory levels.

FAQ

This module is E-Stand 02. It is crucial to check the hardware and software requirements of your existing S7-300 system and STEP 7 project to ensure full compatibility. Mismatched versions can lead to communication errors or functional limitations.

The FM 351 (6ES7351-1AH01-0AE0) is specifically designed for positioning with stepper motors. It provides the necessary pulse and direction signals for controlling stepper motor drivers.

This module is configured and programmed using Siemens STEP 7 Classic (V5.x) software. You will also need the appropriate hardware support package (HSP) for this specific module to be recognized within your project.

Last Update: Friday, March 13, 2026

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