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        Siemens 6DD1606-4AB0
        Siemens 6DD1606-4AB0
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        6DD1606-4AB0

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        1001 reviews ｜ Need a Specific Revision?
        The IT42 expansion module 6DD1606-4AB0 is a powerful expansion unit designed to enhance the I/O functionality of the CPU module in Siemens SIMADYN D control systems.
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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.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        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.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 6DD1606-4AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6DD1606-4AB0
        • Product Family:
          Siemens Simadyn
        • Input voltage range:
          -10 V to +10 V
        • Input resistance:
          470 kΩ
        • Input filter:
          -3 dB transition frequency : 2 kHz
        • Relative accuracy:
          Typ. 14 bits
        • Max. conversion time:
          45 µs.
        • Output voltage range:
          -10 V to +10 V
        • Output current:
          +/- 10 mA
        • Resolution:
          16 bits
        • Weight:
          0.38 kg
        • Estimated shipping dimensions:
          2x26.1x26.1cm
        • Tariff Code:
          8537101190
        • 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 Use Cases Monitoring & Control Temperature & Humidity Range

        Features:

        • Expansion Interface for CPU Module I/O Enhancement
        • Integrates Analog and Binary Signal Processing with Modular Scalability
        • Functions as Supplementary I/O Unit for PM5 and PM6 CPU Modules
        The 6DD1606-4AB0 serves as the IT42 expansion module in a SIMADYN D control system, providing comprehensive analog and binary I/O capabilities to extend the processing capacity of CPU modules. It directly mounts onto PM5 or PM6 CPU modules, occupying one dedicated slot adjacent to the CPU mounting position, and distributes expanded I/O channels through the system backplane to support enhanced control functionality. Flexible configuration is inherent to the 6DD1606-4AB0 design, allowing up to two ITxx series expansion modules to be installed on a single CPU module for scalable system architecture. The 6DD1606-4AB0 delivers high-resolution signal acquisition and versatile I/O expansion within the SIMADYN D rack.

        The 6DD1606-4AB0 provides essential analog and binary interface functions critical to the control path, directly enabling the proper operation of complex automation processes requiring precise signal measurement and discrete control. One or two ITxx expansion modules may be installed per CPU module depending on the application I/O requirements. The 6DD1606-4AB0 occupies a single slot position and is always mounted directly on the CPU module itself.

        For applications requiring extensive I/O capacity, the SIMADYN D system accommodates a second ITxx expansion module installed alongside the first. In addition to standalone operation, this dual-module configuration performs complementary I/O expansion. The 6DD1606-4AB0 dual expansion setup executes signal processing through the internal architecture specified in the module specifications. Using this method, the expansion system continually manages analog and binary signals across all configured channels. If the application demands additional inputs or outputs beyond standard CPU capabilities, the 6DD1606-4AB0 automatically extends the available I/O resources and maintains seamless integration with the central processing unit.

        The 6DD1606-4AB0 SIEMENS Expansion module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        SIEMENS 6DD1606-4AB0 Expansion module Manuals,Datasheets,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 6DD1606-4AB0 Expansion module Specs

        General

        • Manufacturer SIEMENS
        • Model 6DD1606-4AB0
        • Condition New Original ready stock
        • Product Family 6DD1600-0AJ0,6DD1645-0AE0,6DD1600-0AK0
        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.
        • High-Performance Drive Control: Precise coordination of motor drives and motion control in manufacturing.
        • Process Coordination: Real-time synchronization of complex automation tasks across various machinery.
        • Legacy System Expansion: Extending the life and capability of existing SIMADYN D installations.
        • Industrial Automation: Used across sectors like chemicals, cement, and electric power for reliable signal processing.
        • Digital I/O: 16 Binary Inputs and 16 Binary Outputs.
        • Analog Inputs: 4 Analog Inputs using A/D conversion and 4 Analog Inputs using V/F (Voltage-to-Frequency) integration.
        • Analog Outputs: 4 high-resolution Analog Outputs.
        • Deterministic Response: Communicates via the backplane bus to ensure consistent timing for time-critical control loops.
        • Isolation: Features optocouplers for galvanic isolation between the industrial field circuits and internal logic.
        • Operating Temperature: Typically 0 °C to +50 °C for standard indoor industrial installations.
        • Ambient Humidity: Generally 0% to 85% r.h. (non-condensing) for stable operation.
        • Note: For extreme environments, specialized versions or enclosures may be required, and the module should be protected from corrosive chemical vapors that can offset sensor readings.
        View as PDF
        Description
        The IT42 expansion module, designated as 6DD1606-4AB0, is a versatile expansion unit designed to enhance the I/O capabilities of CPU modules within the SIEMENS SIMADYN D control system. This 6DD1606-4AB0 expansion module is specifically engineered to provide comprehensive analog and binary input/output functionality, making it an essential component for complex industrial automation applications that require precise signal processing and control.

        The 6DD1606-4AB0 module is physically designed for seamless integration with CPU modules PM5 and PM6. It mounts directly onto these CPU modules, occupying a single slot in addition to the CPU's own mounting position. A key system configuration feature is that up to two ITxx series expansion modules can be installed on a single CPU module, allowing for scalable I/O expansion tailored to specific application requirements. This modular approach ensures that the 6DD1606-4AB0 can be deployed flexibly within the control cabinet architecture.

        In terms of I/O specifications, the 6DD1606-4AB0 delivers a robust set of interface channels. The module incorporates four analog outputs for controlling external devices such as actuators, valves, or variable frequency drives with precise analog signals. For input acquisition, the 6DD1606-4AB0 features four integrating, high-resolution analog inputs utilizing voltage-to-frequency conversion (V/fc) technology, which provides excellent noise immunity and measurement accuracy for critical process variables. Additionally, the module includes four standard analog inputs (ADU) for general-purpose analog signal acquisition. On the digital side, the 6DD1606-4AB0 is equipped with sixteen binary outputs for driving relays, contactors, or digital indicators, alongside sixteen binary inputs for receiving status signals, limit switches, or other discrete sensor inputs.

        This 6DD1606-4AB0 expansion module is specifically designed for high-performance industrial control applications where precise analog measurement and robust digital I/O are paramount. It excels in process automation scenarios such as turbine control systems, rolling mill drives, and complex motion control applications. The module addresses the challenge of signal conditioning and interface expansion in harsh industrial environments, solving the problem of limited onboard I/O on standard CPU modules while maintaining the high reliability and deterministic performance characteristics required in critical automation systems. The integration of high-resolution V/fc inputs makes the 6DD1606-4AB0 particularly suitable for applications demanding accurate analog measurement, such as temperature monitoring, pressure sensing, or flow measurement in continuous process industries.
        Alternative Names
        6DD1606 4AB0 6DD1642-0BC0 6DD1641-0AC0 6DD1606-3AC0 6DD1601-0AH0
        Technical notes
        The SIEMENS 6DD1606-4AB0 Expansion module includes four analog outputs for precise control of external devices and eight analog inputs in total—four high-resolution integrating inputs using voltage-to-frequency conversion (V/fc) and four standard analog inputs for general signal acquisition.
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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 SIEMENS 6DD1606-4AB0 IT42 module?
        The SIEMENS 6DD1606-4AB0, also known as the IT42 expansion module, is an I/O expansion unit developed by Siemens for the SIMADYN D control system. It enhances the input and output capabilities of CPU modules, enabling more complex and precise automation control.
        What is the main purpose of the 6DD1606-4AB0 module?
        The module is designed to extend both analog and digital I/O capacity of CPU modules, allowing industrial systems to handle more signals and control tasks without compromising performance.
        How is the 6DD1606-4AB0 installed in a system?
        It is mounted directly onto the CPU module and occupies one additional slot. Up to two ITxx expansion modules can be attached to a single CPU, enabling flexible and scalable system configurations.

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