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6SN1118-0DM33-0AA2

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For two SIMODRIVE 611 axes, Siemens 6SN1118-0DM33-0AA2 is a High Standard digital control loop block that processes motor and direct-position feedback for closed-loop drive control.
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Technical specifications for 6SN1118-0DM33-0AA2

  • Manufacturer:
    Siemens
  • Part Number:
    6SN1118-0DM33-0AA2
  • Product Family:
    Siemens SIMODRIVE
  • Product Type:
    SIMODRIVE 611 High Standard Two-Axis Digital Control Loop Block
  • Stock:
    1
  • Control architecture:
    High Standard two-axis closed-loop control
  • Motor feedback:
    Sin/cos 1 Vpp encoders
  • Direct feedback:
    Two direct position measuring-system inputs
  • Pulse multiplication:
    128
  • Encoder limit frequency:
    200 kHz maximum
  • Encoder cable length:
    50 m maximum
  • Motor encoder connectors:
    X411 and X412
  • Direct measuring connectors:
    X421 and X422
  • Drive-bus connectors:
    X341 and X351
  • Holding-brake connectors:
    X431 and X432
  • BERO connectors:
    X461 and X462
  • DAC connectors:
    X34 and X35
  • Required NC software:
    Version 6.4.9 or later
  • Required drive software:
    Version 6.5.4 or later
  • Weight:
    1.1684 lbs (0.53 kg)
  • Estimated shipping dimensions:
    4.5x13.2x31.5cm
  • Tariff Code:
    85371091
  • 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 Axis Feedback Control Signals Software Matching Wiring Boundaries

Features:

  • Two High Standard control channels close the drive loops for two axes.
  • Motor encoders and direct position measuring systems use separate feedback connectors.
  • Drive software is transferred from the connected SINUMERIK control through the drive bus.
The 6SN1118-0DM33-0AA2 compares motor feedback with direct machine-position feedback so each axis can be controlled from two measurement points.

X341 and X351 carry the drive-bus connection used for initialization and communication with the numerical control.

Brake, reference-sensor, analog test-output, and start-inhibit signals remain on dedicated connectors for each controlled axis.

The Siemens 6SN1118-0DM33-0AA2 SIMODRIVE 611 High Standard Two-Axis Digital Control Loop Block may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SN1118-0DM33-0AA2 SIMODRIVE 611 High Standard Two-Axis Digital Control Loop Block 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.

Two measurement paths per drive axis

  • Axis 1 motor: X411 receives the first sin/cos motor-encoder signal.
  • Axis 2 motor: X412 receives the second sin/cos motor-encoder signal.
  • Direct position: X421 and X422 accept the two direct measuring systems.
  • Loop comparison: The controller uses both feedback paths to relate motor rotation to measured machine position.

Dedicated connections around each axis

  • Holding brakes: X431 and X432 keep brake control separate for the two axes.
  • Reference sensors: X461 and X462 accept the BERO signals used for axis referencing.
  • Test outputs: X34 and X35 provide DAC connections for measured drive signals.
  • Pulse inhibition: AS1, AS2, and terminal 663 form the documented start-inhibit path.

Software loaded through the drive bus

  • Initialization: The SINUMERIK 840D transfers the drive software during startup.
  • NC requirement: The installed NC software must meet the documented minimum release.
  • Drive requirement: The drive software level must also meet its separate minimum release.
  • Order matching: The complete 6SN1118-0DM33-0AA2 suffix identifies the High Standard two-axis hardware covered by these requirements.

Limits that affect encoder installation

  • Cable reach: Encoder wiring must remain within the documented 50 m maximum.
  • Signal bandwidth: The connected encoder must not exceed the control input frequency limit.
  • Channel separation: Axis 1 and axis 2 retain individual motor and direct-feedback connectors.
  • Bus continuity: X341 and X351 must remain in the SIMODRIVE communication chain used to load and operate the control.
Description
Siemens 6SN1118-0DM33-0AA2 is a SIMODRIVE 611 High Standard two-axis digital control loop block that closes the position and speed loops for two drive axes using motor and direct measuring-system feedback.

On each axis, 6SN1118-0DM33-0AA2 receives the motor encoder at X411 or X412 and the direct position measuring system at X421 or X422, allowing the controller to compare motor motion with the measured machine position.

During initialization, drive software for 6SN1118-0DM33-0AA2 is transferred from the connected SINUMERIK 840D through the drive bus, so the required NC and drive software levels must be present before the two axes can be commissioned.

Holding-brake, BERO, DAC, and start-inhibit connections on 6SN1118-0DM33-0AA2 keep brake control, reference signals, measurement outputs, and pulse inhibition on dedicated connector groups instead of combining them with encoder feedback.
Alternative Names
6SN11180DM330AA2 6SN 1118-0DM33-0AA2 6SN 1118 0DM33 0AA2 Siemens 6SN1118-0DM33-0AA2 6SN1118-0DM33-0AA2 Control Loop Block 6SN1118-0DM33-0AA2 Two Axis Controller 6SN1118-ODM33-0AA2 6SN111B-0DM33-0AA2
Technical notes
Siemens 6SN1118-0DM33-0AA2 assigns separate motor and direct-position feedback connectors to each axis and loads drive software through the SIMODRIVE bus.
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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.
What must match before replacing a two-axis block with 6SN1118-0DM33-0AA2?
Confirm the complete 6SN1118-0DM33-0AA2 order number, two-axis High Standard hardware, encoder type, and the required NC and drive software levels.
Where should the direct measuring systems connect on 6SN1118-0DM33-0AA2?
Connect the two direct position measuring systems to X421 and X422 on 6SN1118-0DM33-0AA2 rather than to the motor-encoder inputs.
Why can 6SN1118-0DM33-0AA2 fail to initialize after a hardware swap?
The 6SN1118-0DM33-0AA2 receives its drive software through the drive bus, so incompatible NC or drive releases can prevent initialization.
How are the two holding brakes separated on 6SN1118-0DM33-0AA2?
The 6SN1118-0DM33-0AA2 assigns X431 to one axis and X432 to the other, keeping the two brake-control paths separate.
What encoder-cable limit should be checked for 6SN1118-0DM33-0AA2?
Encoder wiring for 6SN1118-0DM33-0AA2 must remain within the documented 50 m maximum and the supported input-frequency limit.