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        Siemens 6DD1640-0AH0
        Siemens 6DD1640-0AH0
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        6DD1640-0AH0

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        1001 reviews ｜ Need a Specific Revision?
        The 6DD1640-0AH0 SM500 signal module provides 8 analog outputs (±10V, 12-bit, 4µs), 8 analog inputs, 4 integrating inputs, 16 digital I/O, and SSI encoder interfaces.
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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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        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
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        Technical specifications for 6DD1640-0AH0

        • Manufacturer:
          Siemens
        • Part Number:
          6DD1640-0AH0
        • Product Family:
          Siemens Simadyn
        • Product Type:
          Signal Module
        • Analog Outputs:
          8 channels, ±10V, ±10mA, 12-bit, 4 µs conversion
        • Analog Output Protection:
          Short-circuit to ground
        • Analog Inputs:
          8 channels, differential, ±10V, 12-bit, 20 µs, 20 kΩ
        • Integrating Analog Inputs:
          4 channels, differential, ±10V, configurable integration time (e.g., 15-bit at 4 ms), 470 kΩ
        • Digital Outputs:
          16 channels, external 24V supply, 50 mA rated (100 mA max), 100 µs delay
        • Digital Output Protection:
          Short-circuit to ground (250 mA max), no protection to external supply
        • Digital Inputs:
          16 channels, 24V (13.5V high, 6V low), 3 mA typical, 100 µs delay
        • Weight:
          0.5 kg
        • Estimated shipping dimensions:
          2x26.1x26.1cm
        • 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:

        • ±10V, 12‑bit, 4 µs conversion per channel, short‑circuit protected to ground, 3.5 V/µs slew rate.
        • 8 analog inputs, 4 integrating analog inputs, 16 digital inputs, 16 digital outputs, and 2 SSI encoder interfaces in one module.
        • Designed for Siemens SIMADYN D high‑end drive and automation systems; supports fast real‑time control applications.
        The 6DD1640-0AH0 provides 8 analog output channels with a conversion time of just 4 microseconds per channel – significantly faster than standard industrial analog output modules. Each channel outputs ±10V with 12‑bit resolution and can source or sink ±10mA. The slew rate is approximately 3.5 V/µs, allowing rapid voltage changes for demanding control applications. This speed is critical for closed‑loop control in high‑performance drive systems, hydraulic servo valves, and fast‑acting actuators. The outputs have short‑circuit protection to ground (short‑circuit current approx. 100 mA), providing some protection against wiring faults. However, there is no electrical isolation between outputs or to the logic.

        The 6DD1640-0AH0 integrates an exceptional range of I/O types into a single module. It includes 8 standard differential analog inputs (±10V, 12‑bit, 20 µs conversion, 20 kΩ input resistance), 4 integrating analog inputs (configurable integration time, up to 15‑bit resolution, 470 kΩ input resistance), 16 digital inputs (24V, 3 mA, 100 µs delay), and 16 digital outputs (24V external supply, 50 mA rated, 100 µs delay). Additionally, it provides two SSI absolute encoder interfaces for position feedback. This high level of integration saves valuable rack space in SIMADYN D systems, reduces backplane communication overhead, and simplifies wiring.

        The 6DD1640-0AH0 is specifically designed for Siemens SIMADYN D, a high‑end digital drive and automation system used in demanding applications such as steel mills, mine winders, and high‑performance test stands. SIMADYN D systems are known for their fast real‑time performance, modularity, and ability to handle complex control algorithms. The SM500 signal module integrates seamlessly into these systems, providing the analog and digital I/O needed for drive regulation, position feedback, and machine monitoring. Key applications include multi‑motor drives, synchronous drives, and closed‑loop tension control.

        The 6DD1640-0AH0 Siemens Signal Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

        Siemens 6DD1640-0AH0 Signal 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 6DD1640-0AH0 Signal Module Specs

        General

        • Manufacturer Siemens
        • Model 6DD1640-0AH0
        • Condition New Original ready stock
        • Product Family 6DD1641-0AC0,6DD1607-0AA1,6DD1600-0BA2
        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.
        • Metal Smelting and Processing: Widely used in rolling mills, wire drawing machines, coilers, and shearing machines for precise adjustment of tension, pressure, and speed.
        • Power Transmission and Distribution: Used in high-voltage direct current (HVDC) transmission systems and static var compensators (SVCs) to ensure the stability of power transmission.
        • Complex Drive Control: Responsible for coordinated closed-loop control between multiple drive systems (such as torque, position, and synchronization angle control).
        • Process Industries: Calculates complex process variables, such as high-precision temperature or pressure regulation in petrochemical industries.
        • Temperature Range: Operating temperature 0°C to +60°C, storage temperature -25°C to +70°C.
        • Humidity Ratio: Supports operation in environments with relative humidity from 0% to 95% (non-condensing).
        • Industrial Compliance: Complies with EN 61000-6-4 radiation standards and EN 61000-6-2 interference resistance standards, suitable for heavy industrial environments with strong electromagnetic interference.
        • Status Monitoring: The panel is equipped with 6 individually controllable LED indicators for real-time display of module status or custom fault diagnosis.
        • Programming and Configuration: Graphical programming is performed using the D7-SYS software package via CFC (Continuous Function Chart) or SFC (Sequential Function Chart).
        • Protection Rating: Standard IP20 (indoor use), with an optional IP65/IP66 (NEMA 4X) weatherproof fiberglass housing for outdoor or harsh-washdown environments.
        • System Connectivity: High-speed data exchange with the CPU (e.g., CPU555) is achieved through the TDC rack's backplane bus.
        Description
        The 6DD1640-0AH0 is an SM500 signal module for Siemens SIMADYN D systems. It features 8 analog outputs (±10V, 12‑bit, 4µs conversion), 8 differential analog inputs (±10V, 12‑bit, 20µs), 4 integrating analog inputs (configurable integration time, 15‑bit at 4ms), 16 digital inputs, and 16 digital outputs. 

        When using the 6DD1640-0AH0, engineers can interface with a wide range of field devices. The analog outputs are short‑circuit protected (to ground) with a short‑circuit current of approximately 100 mA. 

        The 6DD1640-0AH0 has no electrical isolation on any I/O. The analog inputs have reverse polarity protection via differential inputs. The digital inputs accept 24V signals (13.5V to 33V for high, up to 6V for low). 

        For encoder interfacing, the 6DD1640-0AH0 provides connections for two absolute encoders (SSI protocol) with data D+, D-, clock C+, C-, and ground. The module is designed for high‑speed applications with analog output conversion time of 4 µs per channel and digital I/O delay of 100 µs. It is a non‑isolated module.
        Alternative Names
        6DD1641-0AC0 6DD1607-0AA1 6DD1600-0BA2 6DD164O-OAHO
        Technical notes
        The 6DD1640-0AH0 has no electrical isolation on any of its I/O channels. All analog and digital signals share a common ground with the module logic. This must be considered when connecting to field devices on different ground potentials.
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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
        How fast is the analog output on 6DD1640-0AH0?
        The 6DD1640-0AH0 has analog outputs with a conversion time of only 4 µs per channel, supporting high‑speed closed‑loop control applications such as drive regulation and motion control. The slew rate is approximately 3.5 V/µs.
        Does the 6DD1640-0AH0 provide isolation?
        No. The 6DD1640-0AH0 has no electrical isolation on any I/O. All analog and digital signals share a common ground. For noisy environments, external isolation devices should be used to prevent ground loops.
        Are the digital outputs on 6DD1640-0AH0 short‑circuit protected?
        The digital outputs have short‑circuit protection only to ground (250 mA max). There is no protection to the external power supply. Shorting an output to the external supply can damage the module. External fusing is recommended.
        Does 6DD1640-0AH0 support absolute encoders?
        Yes. The 6DD1640-0AH0 provides two SSI absolute encoder interfaces with data (D+/D-), clock (C+/C-), and ground connections. This allows direct connection of SSI encoders for position feedback in motion control applications.

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