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        SIEMENS 6DD1606-3AC0
        SIEMENS 6DD1606-3AC0
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        6DD1606-3AC0

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        The 6DD1606-3AC0 is a Siemens SIMADYN D IT41 expansion module with 4 incremental encoder inputs, 4 analog I/O, 16 digital I/O, and 5V/15V encoder support.
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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
        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 6DD1606-3AC0

        • Manufacturer:
          Siemens
        • Part Number:
          6DD1606-3AC0
        • Product Family:
          Siemens Simadyn
        • Product Type:
          Expansion Module
        • Slot Requirement:
          1 slot (in addition to CPU slot)
        • Incremental Encoder Inputs:
          4 (with monitoring tracks)
        • Encoder Signal Voltages:
          5V or 15V (selectable via coding plugs)
        • Analog Outputs:
          4
        • Analog Inputs:
          4
        • Binary Outputs:
          16
        • Binary Inputs:
          16
        • Weight:
          0.4 kg
        • Estimated shipping dimensions:
          2.8x25.3x26.1cm
        • 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 Communication Safety & Compliance

        Features:

        • Supports 5V or 15V encoders; A/B tracks with 90° shift or separate forward/reverse pulses; each encoder has an alarm input and reset output.
        • 4 analog inputs, 4 analog outputs, 16 binary inputs, and 16 binary outputs in one module.
        • Plugs onto PM5/PM6 CPU modules; up to 2 ITxx modules per CPU; occupies 1 slot.
        The 6DD1606-3AC0 provides 4 independent incremental encoder inputs, each with monitoring tracks. This is essential for multi‑axis drive systems where multiple position or speed feedback signals are required. The module supports two encoder types: standard A/B quadrature signals (with A and B tracks shifted 90°, plus an optional zero pulse) and separate pulses for forward/reverse direction (e.g., Sony encoders). The encoder type is configured at the speed actual value function block in the SIMADYN D software.

        The 6DD1606-3AC0 integrates a large amount of I/O in a single expansion module, reducing the number of modules required in a SIMADYN D system. It has 4 analog outputs, 4 analog inputs, 16 binary outputs, and 16 binary inputs. The analog channels can be used for speed or torque references, position setpoints, or feedback from sensors. The binary I/O can handle digital signals such as limit switches, enable signals, status LEDs, and relay drivers. This high density is particularly valuable in drive control applications where space in the rack is limited.

        The 6DD1606-3AC0 is designed as an expansion module for SIMADYN D CPU modules (PM5 or PM6). It plugs directly onto the CPU module via a dedicated connector, not into the backplane. This close coupling reduces signal delay and improves noise immunity compared to backplane‑mounted I/O. A maximum of two ITxx expansion modules can be inserted on a single CPU module. Each ITxx occupies one slot in addition to the CPU’s mounting slot.

        The 6DD1606-3AC0 SIEMENS Expansion Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

        SIEMENS 6DD1606-3AC0 Expansion 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 6DD1606-3AC0 Expansion Module Specs

        General

        • Manufacturer SIEMENS
        • Model 6DD1606-3AC0
        • Condition New Original ready stock
        • Product Family 6DD1606-2AB0,6DD1606-3AD0,6DD1607-0AA1
        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-End Drive Control: Coordination of multi-axis drives in rolling mills, paper machines, and wire-drawing facilities.
        • Precision Motion Control: Applications requiring microsecond-level response times, such as flying saws, rotary cutters, and high-speed winding.
        • Power Generation: Used in excitation control systems for large generators and synchronization logic for grid-tied wind or hydro turbines.
        • Dynamic Process Control: Systems requiring extremely short sampling cycles (often < 1ms) for complex mathematical modeling.
        • Option Board Slots: It features slots for installing MASTERDRIVES communication boards, such as the CBP2 (PROFIBUS DP), CBC (CAN), or CBE1 (PROFINET).
        • High-Speed Backplane: It connects to the FM 458-1 DP via a dedicated high-speed bus, ensuring near-zero latency between the control algorithm and the communication data.
        • Synchronization: Supports clock-cycle synchronization across multiple racks, ensuring that speed and position loops across a distributed system stay perfectly aligned.
        • Industrial Ruggedness: Designed to withstand high levels of vibration and electromagnetic interference (EMC), typical of environments with large power converters.
        • Global Certifications: Complies with CE (European Conformity), UL/cUL (North American safety standards), and RCM (C-Tick) for Australia/New Zealand.
        • Environmental Compliance: Meets RoHS (Restriction of Hazardous Substances) standards for industrial electronics.
        Description
        The 6DD1606-3AC0 is an IT41 expansion module for Siemens SIMADYN D high‑end drive and automation systems. It provides incremental encoder inputs, analog and binary inputs and outputs. The module is inserted on a CPU module (PM5 or PM6). 

        When using the 6DD1606-3AC0, engineers can connect up to 4 incremental encoders with monitoring tracks. The module also includes 4 analog outputs, 4 analog inputs, 16 binary outputs, and 16 binary inputs. Each incremental encoder has one alarm (interrupt) input and one alarm reset output. 

        The 6DD1606-3AC0 supports incremental encoders with signal voltages of 5V or 15V. The selection of signal voltage is made via two coding plugs. If the closed wire jumper faces the front panel, a 5V encoder is selected. If the interrupted jumpers face the front panel, the factory setting for 15V encoders is active. 

        For legacy SIMADYN D system expansions, the 6DD1606-3AC0 provides a compact multi‑function I/O module. It is mounted onto PM5 or PM6 CPU modules. The module is essential for connecting incremental encoders for speed and position feedback in drive control applications.
        Alternative Names
        6DD1606-2AB0 6DD1606-0AD0 6DD1607-0AA1
        Technical notes
        The 6DD1606-3AC0 uses coding plugs to select the encoder signal voltage (5V or 15V). This is a physical selection method, not a software setting. The factory default is 15V. Always set the coding plugs before applying encoder power.
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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 encoders can 6DD1606-3AC0 handle?
        The module supports 5V or 15V incremental encoders with A/B tracks (90° shift) and zero pulse. Selection is made via coding plugs. The factory setting is 15V. Ensure the coding plug position matches your encoder voltage before connection to avoid damage.
        How do I set the coding plugs on 6DD1606-3AC0?
        Two coding plugs select the encoder voltage. If the closed wire jumper faces the front panel, 5V encoder is selected. If the interrupted jumpers face the front panel (factory setting), 15V encoder is selected. Incorrect setting can destroy the inputs.
        Which CPUs work with 6DD1606-3AC0?
        The 6DD1606-3AC0 plugs onto PM5 or PM6 CPU modules in SIMADYN D systems. A maximum of 2 ITxx expansion modules can be inserted on a CPU module. The IT41 occupies one slot in addition to the CPU slot.
        How much I/O does 6DD1606-3AC0 provide?
        It provides 4 analog outputs, 4 analog inputs, 16 binary outputs, 16 binary inputs, and 4 incremental encoder inputs (each with alarm input and reset output). This high density saves rack space in SIMADYN D systems.

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