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        Siemens 6ES7450-1AP00-0AE0
        Siemens 6ES7450-1AP00-0AE0
        Siemens 6ES7450-1AP00-0AE0
        Siemens 6ES7450-1AP00-0AE0
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        Siemens 6ES7450-1AP00-0AE0
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        6ES7450-1AP00-0AE0

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        1001 reviews ｜ Need a Specific Revision?
        The 6ES7450-1AP00-0AE0 FM 450‑1 function module for S7‑400 provides 2 high‑speed counter channels (500 kHz / 200 kHz), 6 digital inputs, 4 digital outputs, and encoder supplies.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
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        Technical specifications for 6ES7450-1AP00-0AE0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7450-1AP00-0AE0
        • Product Family:
          Siemens Simatic S7-400
        • Product Type:
          FM 450‑1 Function Module – Counting
        • Number of Counter Channels:
          2 (32‑bit or ±31‑bit)
        • Counting Frequency (5V RS422):
          max. 500 kHz
        • Counting Frequency (24V):
          max. 200 kHz
        • Digital Inputs:
          6 (gate start, gate stop, set counter)
        • Digital Outputs:
          4 (0.5 A rated, short‑circuit protected)
        • Encoder Supply (5V):
          5.2V ±2%, 300 mA, short‑circuit protected
        • Load Voltage:
          24V DC (20.4‑28.8V; dynamic 18.5‑30.2V)
        • Backplane Current (5V):
          max. 450 mA
        • Power Loss:
          typ. 9 W
        • Input Delay (parameterizable):
          ≥2.5 μs (200 kHz) to ≤25 μs (20 kHz)
        • Pain Point Solved:
          Solves the need for high‑speed, dual‑channel precision counting in S7‑400 systems – supporting both 5V RS422 (500 kHz) and 24V (200 kHz) encoders, with integrated gate control, diagnostic alarms, and configurable interrupts – eliminating external counter hardware.
        • Weight:
          0.64 kg
        • Estimated shipping dimensions:
          29x22.2x2.5cm
        • Tariff Code:
          8517795000
        • 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 Specifications Application Operating Environment Monitoring and Control

        Features:

        • 500 kHz (5V RS422) and 200 kHz (24V) with 32‑bit resolution.
        • 5V (300 mA) and 24V (300 mA) encoder power; 6 digital inputs (gate control); 4 digital outputs (0.5 A).
        • Diagnostic alarms, hardware interrupts, status LEDs, and parameterizable input delay.
        The 6ES7450-1AP00-0AE0 provides two independent counter channels with 32‑bit or ±31‑bit resolution. Channel 1 accepts 5V RS422 differential encoder signals (e.g., from linear scales or rotary encoders) at up to 500 kHz, with a 220 Ω terminating resistor and minimum differential input voltage of 0.5 V. Channel 2 accepts 24V signals from initiators or directional elements at up to 200 kHz. Both channels support parameterizable input delays: ≥2.5 μs for 200 kHz operation or ≤25 μs for 20 kHz. This flexibility allows the 6ES7450-1AP00-0AE0 to handle applications ranging from high‑speed material web counting (500 kHz) to slower conveyor belt position monitoring.

        The 6ES7450-1AP00-0AE0 simplifies wiring by providing on‑board encoder power supplies. The 5V supply delivers 5.2V ±2% at up to 300 mA, short‑circuit protected – ideal for RS422 encoders. The 24V supply provides 1L+ minus 3V at up to 300 mA, also short‑circuit protected, for 24V initiators or directional elements. Additionally, the module includes 6 digital inputs (for gate start, gate stop, and counter setting) and 4 digital outputs (0.5 A rated, 0.6 A max, electronically short‑circuit protected). Outputs clamp inductive loads to 2L+ (-39 V), preventing voltage spikes.

        The 6ES7450-1AP00-0AE0 includes comprehensive diagnostic and interrupt capabilities. Diagnostic alarms are parameterizable – they can trigger when errors occur (e.g., encoder wire break, counting overflow). Hardware interrupts can be generated on threshold events or counting end, allowing the S7‑400 CPU to respond immediately without polling. Fourteen green LEDs display status: CR (count running), DIR (direction), and all digital inputs/outputs. Two red LEDs indicate internal and external errors. All diagnostic information is readable via software. Input delay is parameterizable, allowing optimization for either high speed (200 kHz with 2.5 μs) or noise immunity (20 kHz with 25 μs).

        The 6ES7450-1AP00-0AE0 Siemens FUNCTION MODULE may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Siemens 6ES7450-1AP00-0AE0 FUNCTION MODULE Manuals, Datasheets, Drivers, 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.
        Siemens 6ES7450-1AP00-0AE0 FUNCTION MODULE Specs

        General

        • Manufacturer Siemens
        • Model 6ES7450-1AP00-0AE0
        • Condition New Original ready stock
        • Product Family 6ES7450-1AP00-0AE1,6ES7450-1AP00-0AF0,6ES7451-1AP00-0AE0
        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.
        • Precision Positioning and Motion Control: Achieves precise tracking of motor shaft position and conveyor belt movement distance through connection to incremental encoders.
        • Packaging and Textile Machinery: Used for precise piece counting, length measurement, and control of high-speed changeover points.
        • Industrial Automated Production Lines: Monitors the speed of rotating equipment (tachometer function) or counts the number of products passing through sensors.
        • Ambient Temperature: Standard operating range is 0°C to 60°C.
        • Power Supply: Rated load voltage is 24 V DC (permissible range 20.4V to 28.8V).
        • Encoder Interface: Supports 5V (RS422) and 24V encoder signals; counting frequency up to 500 kHz in 5V mode.
        • Gate Control: Supports both hardware gates (external signals to start/stop counting) and software gates (controlled by user programs), enabling precise triggering of the counting process.
        • Comparison Values ​​and Interrupts: Each counting channel can be set with two comparison values. When the count value reaches the preset value, the module's built-in digital output (DO) can be triggered directly, or a hardware interrupt can be sent to the CPU for millisecond-level response.
        • Diagnostic Functions: Built-in 14 signal status LEDs (green) and 2 fault LEDs (red), supporting detailed diagnostic data reading via software (such as encoder disconnection, parameter errors, etc.).
        Description
        The 6ES7450-1AP00-0AE0 is a function module for SIMATIC S7‑400 systems. It features two counter channels (32‑bit or ±31‑bit) for high‑speed counting applications. Channel 1 accepts 5V RS422 differential signals up to 500 kHz. Channel 2 accepts 24V signals up to 200 kHz. 

        When using the 6ES7450-1AP00-0AE0, engineers can connect incremental encoders (symmetrical/asymmetrical), 24V initiators, or directional elements. The module provides encoder supplies: 5V (300 mA, short‑circuit protected) and 24V (300 mA). It features diagnostic alarms, hardware interrupts, and status LEDs. 

        The 6ES7450-1AP00-0AE0 requires 24V load voltage (20.4‑28.8V, dynamic 18.5‑30.2V) and draws 450 mA from the 5V backplane bus. Power loss is 9 W typical. Inputs are isolated via optocouplers. Isolation test voltage is 500 V. 

        For legacy S7‑400 systems requiring precision counting, the 6ES7450-1AP00-0AE0 delivers high performance. It supports counting frequencies up to 500 kHz (5V) or 200 kHz (24V). Input delays are parameterizable (≥2.5 μs for 200 kHz; ≤25 μs for 20 kHz). Digital outputs are electronically short‑circuit protected with inductive clamping to 2L+ (-39 V). 
        Alternative Names
        6ES7450-1AP00-0AE1 6ES7450-1AP00-0AF0 6ES7451-1AP00-0AE0 6ES7452-1AP00-0AE0
        Technical notes
        The 6ES7450-1AP00-0AE0 has two counter channels, but they differ: Channel 1 is optimized for 5V RS422 (500 kHz, 220Ω terminating resistor, min. 0.5V differential). Channel 2 is for 24V signals (200 kHz). Do not apply 24V to the 5V channel – this may damage the module.
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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.
        VIEW ALL FAQS
        What is the maximum counting frequency of the 6ES7450-1AP00-0AE0?
        The 6ES7450-1AP00-0AE0 supports 500 kHz for 5V RS422 differential encoders and 200 kHz for 24V encoders or initiators. Input delay is parameterizable (≥2.5 μs for 200 kHz). Choose the appropriate encoder type for your speed requirement.
        Which encoders work with the 6ES7450-1AP00-0AE0?
        The 6ES7450-1AP00-0AE0 connects to symmetrical/incremental encoders (5V RS422), asymmetrical encoders, 24V initiators, and 24V directional elements (1 pulse train + 1 direction level). Encoder supplies: 5V (300 mA) and 24V (300 mA), both short‑circuit protected.
        What power does the 6ES7450-1AP00-0AE0 need?
        The 6ES7450-1AP00-0AE0 requires 24V load voltage (20.4‑28.8V DC; dynamic 18.5‑30.2V) and draws 450 mA from the 5V backplane bus. Power loss is 9 W typical. It also provides encoder supplies: 5.2V (±2%) and 24V (1L+ minus 3V), each up to 300 mA.
        Does the 6ES7450-1AP00-0AE0 support diagnostics?
        Yes. The 6ES7450-1AP00-0AE0 has diagnostic alarms (parameterizable) and hardware interrupts (parameterizable). Two red LEDs indicate internal/external errors. Green LEDs show status of digital inputs, outputs, CR (count), and DIR (direction). Diagnostic information is readable via software.

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