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6SN1118-0NK01-0AA2

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Designed for coordinated servo control, Siemens 6SN1118-0NK01-0AA2 is a SIMODRIVE 611 universal HRS2 two-axis resolver control unit for speed or torque setpoint operation.
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Technical specifications for 6SN1118-0NK01-0AA2

  • Manufacturer:
    Siemens
  • Part Number:
    6SN1118-0NK01-0AA2
  • Product Family:
    Siemens SIMODRIVE
  • Product Type:
    SIMODRIVE 611 Universal HRS2 Two-Axis Resolver Control Unit
  • Stock:
    1
  • Axis Count:
    2
  • Motor Feedback:
    Resolver
  • Control Modes:
    Speed setpoint or torque setpoint
  • Analog Inputs:
    2 per drive channel
  • Analog Outputs:
    2 per drive channel
  • Digital Inputs:
    4 per drive channel
  • Digital Outputs:
    4 per drive channel
  • Commissioning Interface:
    RS232 / RS485
  • Parameter Storage:
    Replaceable memory module
  • Operator Interface:
    Integrated display and operator unit
  • Test Access:
    2 test sockets
  • Optional Communication:
    PROFIBUS-DP module or terminal module
  • Safety Function:
    Safe start inhibit interface
  • Referenced Software State:
    SIMODRIVE 611 universal software 14.2
  • Tariff Code:
    85049090
  • 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 Resolver Axes Channel I/O Memory & Options Commissioning

Features:

  • Two resolver-feedback axes support speed-setpoint or torque-setpoint control in a SIMODRIVE 611 group.
  • Per-axis analog and digital I/O connect commands, status signals, and commissioning functions.
  • Serial access, removable parameter memory, and optional PROFIBUS-DP communication support service work.
Siemens 6SN1118-0NK01-0AA2 is the HRS2 resolver version of the SIMODRIVE 611 universal two-axis control unit.

Its two channels combine resolver processing with analog and digital I/O, test access, an operator display, and speed or torque control functions.

The memory module and optional terminal or PROFIBUS-DP module must be matched to the machine parameter set, software state, and existing interface wiring.

The Siemens 6SN1118-0NK01-0AA2 SIMODRIVE 611 Universal HRS2 Two-Axis Resolver Control Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SN1118-0NK01-0AA2 SIMODRIVE 611 Universal HRS2 Two-Axis Resolver Control Unit 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-Axis Feedback Structure

  • Axis channels: One control unit manages two drive axes.
  • Feedback type: The NK01 variant is assigned to resolver motor feedback.
  • Setpoint modes: The channels support configured speed or torque setpoint operation.
  • Variant control: The full order number must be checked because adjacent 6SN1118 variants use different measuring systems.

Drive Command and Status Signals

  • Analog inputs: Two analog inputs are available for each drive channel.
  • Analog outputs: Two analog outputs per channel support configured monitoring signals.
  • Digital inputs: Four inputs per drive connect assigned control functions.
  • Digital outputs: Four outputs per drive report the configured operating states.

Parameter Retention and Interface Modules

  • Memory module: Replaceable storage retains the control-unit parameter set.
  • Terminal option: A terminal module can expand hardwired signal access.
  • Fieldbus option: A PROFIBUS-DP module provides configured network communication.
  • Service boundary: Memory content, option type, connector assignments, and software state must be matched before exchange.

Startup and Diagnostic Access

  • Serial interface: RS232 or RS485 supports parameterization and diagnostic access.
  • Local display: The onboard operator unit presents selected status and parameter information.
  • Test sockets: Two sockets provide defined commissioning measurement points.
  • Safety check: Safe-start-inhibit wiring and machine interlocks must be proven before enabling either axis.
Description
Within a SIMODRIVE 611 drive group, Siemens 6SN1118-0NK01-0AA2 controls two resolver-feedback axes and processes speed or torque setpoints. The exact NK01 variant must be distinguished from encoder-interface versions in the same 6SN1118 family.

Each drive channel on 6SN1118-0NK01-0AA2 provides analog and digital I/O for command, status, and commissioning functions. The board also includes test sockets, an operator display, RS232/RS485 communication, and a replaceable memory module for parameter retention.

Optional terminal or PROFIBUS-DP communication modules extend the interface structure of 6SN1118-0NK01-0AA2. Resolver wiring, axis assignment, option-module type, software state, and safe-start-inhibit circuits therefore need to be verified as one matched system before service.
Alternative Names
6SN11180NK010AA2 6SN1118 0NK01 0AA2 Siemens 6SN1118-0NK01-0AA2 SIMODRIVE 611 universal HRS2 control unit 6SN1118-0NK01-0AA2 resolver control board SIMODRIVE two-axis resolver controller 6SN1118-0NK01-0AA2 speed torque control unit Siemens 611U HRS2 dual-axis board
Technical notes
Resolver feedback and two-axis control define Siemens 6SN1118-0NK01-0AA2, with analog and digital I/O, serial commissioning access, memory-module storage, and optional PROFIBUS-DP communication.
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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.
Why must the full suffix of 6SN1118-0NK01-0AA2 be checked before replacement?
The NK01 suffix identifies the resolver-feedback, two-axis configuration of 6SN1118-0NK01-0AA2; nearby 6SN1118 variants can use different feedback systems, channel functions, or software assignments.
Can the parameter memory from another control board be moved directly into 6SN1118-0NK01-0AA2?
Only after verifying that the stored parameter set, software state, axis data, and machine configuration belong to 6SN1118-0NK01-0AA2; otherwise incorrect drive behavior can result.
What should be checked if one axis on 6SN1118-0NK01-0AA2 does not enable?
Check the 6SN1118-0NK01-0AA2 resolver signal, enable chain, safe-start-inhibit circuit, channel parameters, digital inputs, drive-group status, and diagnostic display before changing hardware.
Does 6SN1118-0NK01-0AA2 include PROFIBUS-DP as a fixed onboard interface?
No. PROFIBUS-DP for 6SN1118-0NK01-0AA2 depends on the appropriate optional communication module, so the installed option and connector wiring must be confirmed.
How are analog and digital signals divided on 6SN1118-0NK01-0AA2?
Each drive channel of 6SN1118-0NK01-0AA2 provides two analog inputs, two analog outputs, four digital inputs, and four digital outputs for configured functions.
What evidence should be saved before removing 6SN1118-0NK01-0AA2 from a machine?
Record the 6SN1118-0NK01-0AA2 nameplate, software state, memory-module identification, option modules, connector positions, parameter backup, and displayed faults before disassembly.

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