Description
The Siemens 6ES7350-2AH00-0AE0 is an 8-channel high-speed counter module designed for the SIMATIC S7-300 PLC system. As a Function Module (FM 350-2), it provides advanced counting and measuring capabilities that offload time-critical tasks from the central CPU. This module is essential for applications requiring precise frequency measurement, speed monitoring, and high-speed position tracking. By supporting counting frequencies up to 20 kHz and offering localized reaction capabilities, it ensures high-performance motion control and operational safety, playing a key role in preventing process drift and minimizing system latency.
Features
- 8 independent counting channels for high-speed signal processing.
- Supports 24 VDC encoders and sensors directly.
- Configurable counting modes: continuous, single, and periodic.
- Integrated digital outputs triggered by predefined setpoints.
- Deterministic response times by offloading tasks from the S7-300 CPU.
- Ideal for high-speed gating, batching, and frequency measurement.
Applications
This module is widely used in industrial automation environments including food and beverage packaging, industrial metal processing, and chemical dosing systems where high-speed pulse counting and precise position monitoring are required.
Technical Specifications
| Model | 6ES7350-2AH00-0AE0 |
| Brand | Siemens |
| Series | SIMATIC S7-300 / FM 350-2 |
| Module Type | High Speed Counter Module |
| Number of Channels | 8 |
| Max Counting Frequency | 20 kHz |
| Input/Encoder Voltage | 24 VDC |
| Operating Temperature | 0 to 60 deg C |
Installation Guidelines
- Ensure the S7-300 rack power is disconnected before installing or removing the module.
- Mount the module onto the standard S7-300 DIN rail and secure it using the integrated locking mechanism.
- Use shielded cables for encoder and sensor inputs to minimize electromagnetic interference (EMI).
- Ensure proper grounding of the module chassis to the rack backplane to maintain signal integrity.
- Verify that the 24 VDC power supply meets the module's voltage and current requirements before connection.
- Handle with care to prevent electrostatic discharge (ESD) damage to the module electronics.
FAQ
Is this module compatible with all S7-300 CPUs?
The FM 350-2 is designed for the SIMATIC S7-300 system. Please verify your specific CPU configuration and hardware catalog in STEP 7 to ensure compatibility with the module's firmware version.
Can this module be used as a replacement for the 6ES7350-2AH01-0AE0?
The 6ES7350-2AH00-0AE0 is an earlier version of the FM 350-2. While it remains critical for maintaining legacy systems, please consult your system documentation if you are considering a migration to the newer 6ES7350-2AH01-0AE0 version, as configuration changes may be required.
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Guide
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