• Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module
  • Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module
  • Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module
  • Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module
Product Overview The Siemens 6AG1350-2AH01-4AE0 is a SIPLUS S7-300 FM 350-2 high-speed counter module for automation systems that need several independent counting channels in the same control station. ……
Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module
  • Siemens
  • 6AG1350-2AH01-4AE0
  • Counter Module
  • Germany
  • 80 × 125 × 120 mm
  • 0.502 kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 6

Our advantage

Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 Counter Module

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail [email protected]
Mobile +8615980777398
Whatsapp +8615980777398
WeChat 15980777398

Product Overview

The Siemens 6AG1350-2AH01-4AE0 is a SIPLUS S7-300 FM 350-2 high-speed counter module for automation systems that need several independent counting channels in the same control station. Compared with a single-channel counter module, the FM 350-2 is better suited to machines where multiple pulse sources must be monitored at the same time, such as several production counters, rotary sensors, or dosing-related signals.

A typical application can involve several conveyor sections or machine shafts operating simultaneously. Encoder pulses from each section can be processed by separate counter channels while the S7-300 CPU handles the overall sequence logic. The counter module therefore separates high-speed pulse acquisition from the main PLC program and gives the control system dedicated measurement resources.

The 6AG1350-2AH01-4AE0 belongs to the SIPLUS S7-300 family and is based on the FM 350-2. It supports high-speed counting and measurement tasks and is suitable for applications requiring multiple counter inputs within an established SIMATIC S7-300 architecture.


Technical Specifications

Parameter Specification
Manufacturer Siemens
Article Number 6AG1350-2AH01-4AE0
Product Family SIPLUS S7-300
Product Type FM 350-2 Counter Module
Module Type High-Speed Counter Module
Counter Channels 8
Typical Signal Source Incremental encoder / pulse sensor
Supported Functions Counting, frequency measurement, period measurement, speed-related measurement
Counting Control Software and hardware gate functions
Compatible System SIMATIC S7-300 / ET 200M configurations
Environmental Design SIPLUS for extended ambient conditions
Dimensions 80 × 125 × 120 mm
Weight 0.502 kg

Product Features

  • Eight-channel high-speed counting capability for S7-300 automation systems.
  • Allows several pulse sources to be monitored by one function module.
  • Suitable for encoder-based counting and machine movement monitoring.
  • Supports measurement functions for applications involving frequency, period, or speed.
  • Dedicated counter processing reduces dependence on conventional PLC scan-cycle pulse detection.
  • Suitable for central S7-300 and applicable ET 200M configurations.
  • Provides flexible control of counting operations through gate functions.
  • SIPLUS version intended for industrial environments with extended environmental requirements.

Working Principle

The FM 350-2 receives pulse signals from connected sensors or encoders and processes the counting operations directly within its hardware. Each counter channel can monitor its assigned pulse source while the S7-300 CPU continues executing the main machine program.

For example, a production line may have several conveyors running at different speeds. Each encoder can be connected to an individual counter channel, allowing the PLC system to obtain separate count or measurement values instead of combining all pulse inputs into one software counting routine.

The module can also be used when pulse frequency itself contains useful process information. Encoder pulses from a rotating shaft can be evaluated to determine speed, while periodic pulse signals can be used for measurement and monitoring tasks.

Counting can be controlled according to the machine sequence. Depending on the application, the counting operation can be enabled through the control program or through an external gate signal. This is useful when the measurement must begin or stop in response to a physical machine event.


Role in a SIMATIC S7-300 Multi-Channel Counting System

System Element Function
6AG1350-2AH01-4AE0 Performs multi-channel high-speed counting and measurement
S7-300 CPU Executes machine logic and processes counter information
Incremental Encoders Generate pulse signals for position, movement, or speed monitoring
Pulse Sensors Supply counting signals from production equipment
ET 200M Interface Module Supports distributed configurations where applicable
HMI Displays count values, speed information, and diagnostic status
Conveyor / Drive System Provides the mechanical movement monitored by the counter
S7-300 Rack Provides electrical and mechanical integration of the module

Industrial Applications

Industry Typical Use
Packaging Machinery Simultaneous product counting across multiple production stations
Material Handling Monitoring several conveyor speeds and movement signals
Assembly Lines Tracking parts through multiple machine sections
Printing Machinery Monitoring several rollers or material-feed mechanisms
Textile Equipment Measuring multiple rotating components
Food and Beverage Counting products and monitoring machine throughput
Machine Building Multi-axis or multi-shaft encoder monitoring
Production Automation Collecting high-speed pulse data from several independent machines

Installation and Maintenance

  1. Confirm the rack configuration — Verify that the S7-300 hardware arrangement is suitable for the FM 350-2.
  2. Install the module securely — Make sure the module is properly seated and the backplane connection is established.
  3. Identify each signal channel — Clearly assign each encoder or pulse sensor to its intended counter channel before wiring.
  4. Check encoder compatibility — Confirm the signal type, pulse frequency, and electrical characteristics of every connected sensor.
  5. Separate signal and power wiring — Keep high-speed encoder wiring away from strong power cables where practical to reduce electrical interference.
  6. Configure each counter independently — Set the required operating mode, measurement function, gating behavior, and scaling for each channel.
  7. Verify channel assignment — During commissioning, operate each machine section individually and confirm that the corresponding counter channel responds to the correct signal.
  8. Check measurement accuracy — Compare counter values or speed readings with known machine movement or an independent measurement.
  9. Inspect connections during maintenance — Check terminal connections, encoder cables, shielding, grounding, and module seating during scheduled inspections.

Related Components

Component Function / Relationship
6AG1350-2AH01-4AE0 SIPLUS S7-300 FM 350-2 multi-channel counter module
6ES7350-2AH01-0AE0 Standard SIMATIC S7-300 FM 350-2 counter module
SIMATIC S7-300 CPU Executes the automation program and processes counter information
Incremental Encoder Provides high-speed pulses to individual counter channels
Pulse Sensor Supplies discrete pulse signals for counting
ET 200M Interface Module Supports distributed S7-300 configurations where applicable
S7-300 Rack Provides mechanical mounting and backplane integration
HMI System Displays production counts and measurement values

Recommended Related Models

Model Product Type Typical Application
Siemens 6AG1350-2AH01-4AE0 SIPLUS S7-300 FM 350-2 Counter Module Multi-channel high-speed counting
Siemens 6ES7350-2AH01-0AE0 SIMATIC S7-300 FM 350-2 Counter Module Standard multi-channel counting
Siemens 6AG1350-1AH03-2AE0 SIPLUS S7-300 FM 350-1 Counter Module Single-channel high-speed counting
Siemens 6ES7350-1AH03-0AE0 SIMATIC S7-300 FM 350-1 Counter Module Standard single-channel counting
Siemens 6AG1352-5AH00-7AE0 SIPLUS S7-300 FM 352 Electronic Cam Controller Position-based machine sequencing

Key Advantages

  • Eight dedicated counter channels in one S7-300 function module.
  • Suitable for machines with multiple simultaneous pulse sources.
  • Separates high-speed signal processing from the main CPU scan cycle.
  • Supports counting as well as several measurement functions.
  • Useful for encoder-based speed and movement monitoring.
  • Integrates with established S7-300 automation architectures.
  • SIPLUS configuration supports applications with extended environmental requirements.

Technical FAQs

Why would an application need the FM 350-2 instead of the FM 350-1?

The main practical difference is the number of counting channels. The FM 350-2 is intended for applications where several pulse sources need to be processed independently, whereas the FM 350-1 is suited to a single high-speed counting channel.

Can different machines use separate channels on the same FM 350-2?

Yes. Where the signal characteristics and application configuration are suitable, individual channels can be assigned to different encoders or pulse sources. This can simplify the control cabinet by consolidating several counting functions into one module.

What is the benefit of processing encoder signals in the counter module?

The dedicated hardware can capture high-speed pulses without requiring the S7-300 CPU program to detect every pulse during its normal scan cycle. This is particularly useful when several signals are active simultaneously or when pulse frequencies are too high for conventional software counting.

What should be checked when one counter channel gives incorrect values?

Check the individual channel’s wiring, sensor signal, shielding, grounding, pulse configuration, scaling, gate status, and signal frequency. It is also useful to compare that channel with the corresponding mechanical movement independently to determine whether the problem originates from the sensor, wiring, configuration, or counter module.



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