The Siemens 6SN1118-1NJ01-0AA2 is a SIMODRIVE 611 universal HRS2 control unit for one resolver-feedback axis. It supports positioning with speed or torque setpoint operation and can accept compatible option modules for added terminal or PROFIBUS DP connectivity.
Control plug-in unit within a SIMODRIVE 611 drive assembly
Selection key
Exact MLFB, hardware release, firmware and memory module
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SIEMENS ENGINEERING ARCHIVE
Functional Role & System Integration
01 Setpoint / positioning command
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02 611 universal HRS2 control
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03 Resolver motor feedback
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04 SIMODRIVE power section
System integration depends on the exact installed architecture. Confirm electrical interfaces, configured communication roles, engineering compatibility, firmware or software release, and all adjacent components before commissioning or replacement.
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One-axis resolver version with speed setpoint control
6SN1118-1NK01-0AA2
Two-axis resolver positioning variant
6SN1118-1NH01-0AA2
Two-axis encoder positioning variant
Selection checkpoint: compare the complete order code, installed family, electrical and network interfaces, memory requirements, firmware, engineering version and physical fit. Similar appearance does not establish interchangeability.
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SIEMENS ENGINEERING ARCHIVE
Frequently Asked Questions
Q1
How is the exact unit selected?
Match the full catalog number, installed hardware release, firmware, connectors and system configuration before replacement.
Q2
Can a related model be installed directly?
Related products can differ in function, memory, interfaces or supported engineering versions. Treat them as selection alternatives, not automatic substitutes.
Q3
What should be checked before installation?
Isolate power, verify the slot or mounting position, inspect connectors and confirm the surrounding system configuration.
Q4
What should be checked after installation?
Confirm diagnostics, communication status, configured addresses and the relevant machine or process sequence before returning to service.
Q5
What details help with a quotation?
Send the complete catalog number, quantity, destination, required condition and any installed revision visible on the unit.
Ready to confirm price and availability?
Share the complete Siemens catalog number, quantity, destination and required condition.
Provide the full order code, quantity, required condition and delivery destination. Confirm the installed hardware and software release whenever replacement compatibility is important.
Return and replacement brief
Contact us within seven days if an issue is found after receipt. Returned items must remain in original condition and include a clear reason. Return or replacement processing begins after inspection, and return shipping costs are the buyer's responsibility.