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6FC5371-0AA30-0AB0

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Siemens 6FC5371-0AA30-0AB0 is a SINUMERIK 840D sl NCU 710.3B PN with 2 GB DRAM, 1 GB NVM and 24 V DC operation. It integrates CNC and PLC resources for machine-tool control.
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Technical specifications for 6FC5371-0AA30-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6FC5371-0AA30-0AB0
  • Product Family:
    Siemens Sinumerik
  • Product Type:
    NCU 710.3B PN CNC Control Unit
  • Stock:
    1
  • Input voltage:
    24 V DC
  • Maximum power consumption:
    281 W
  • Power loss:
    21 W
  • DRAM:
    2 GB
  • Non-volatile memory:
    1 GB
  • Protection degree:
    IP20 / UL open type
  • Operating temperature:
    0 to +55 °C
  • Transport temperature:
    -40 to +70 °C
  • Storage temperature:
    -25 to +55 °C
  • Operating humidity:
    5 to 95%
  • Mechanical dimensions:
    50 x 455 x 272 mm
  • Certificates:
    CE and cULus
  • Weight:
    8.157 lbs (3.7 kg)
  • Tariff Code:
    85371010
  • 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 Applications Operating Environment Configuration Firmware & Updates

Features:

  • Integrates SINUMERIK CNC and PLC control in the 710.3B PN execution.
  • Carries 2 GB DRAM with 1 GB non-volatile memory.
  • Operates from 24 V DC in a 50 mm-wide IP20 housing.
This article is the NCU 710.3B PN control unit for an 840D sl machine configuration.

It processes motion and machine logic while maintaining network communication with drives and distributed automation.

Use the machine's software, license and topology records to verify a candidate spare before any field installation.

NCU sourcing is subject to machine-software, license and hardware-generation confirmation.
Verified resources for Siemens 6FC5371-0AA30-0AB0: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.
  • Operate CNC axes and machine sequences in a SINUMERIK 840D sl installation.
  • Integrate drive control, PLC logic and production-network communication.
  • Recover a failed control unit from an approved machine image and license set.
  • The unit is specified for operation from 0 to +55 °C without condensation or icing.
  • Transport conditions extend from -40 to +70 °C.
  • Relative humidity may reach 95% within the documented climatic category.
  • Two gigabytes of DRAM support active CNC and PLC processing.
  • One gigabyte of non-volatile memory provides the documented retained capacity.
  • Machine backups must be managed separately from the onboard memory resources.
  • A validated CompactFlash image anchors software and machine-data restoration.
  • License and option records must correspond to the CNC configuration.
  • Drive topology and PLC communication must be verified before the updated system releases an axis.
Description
6FC5371-0AA30-0AB0 is the NCU 710.3B PN hardware for SINUMERIK 840D sl installations. Its 24 V DC platform combines numerical control, PLC coordination and machine-network interfaces in a narrow IP20 assembly.

The controller supplies 2 GB DRAM and 1 GB non-volatile memory for its documented runtime and retained data functions. Maximum power consumption is 281 W, with typical internal loss of 21 W under the stated operating conditions.

Restoration requires more than transferring the metal unit: CompactFlash image, license data, CNC configuration, drive commissioning and PLC project must belong to the same machine build. Confirm software releases and connector topology before applying axis power.
Alternative Names
6FC5371-0AA30-0AB0 6FC5371 0AA30 0AB0 6FC53710AA300AB0 Siemens 6FC5371-0AA30-0AB0 Siemens NCU 710.3B PN Siemens SINUMERIK 840D sl NCU710 Siemens CNC Control NCU 710.3B
Technical notes
6FC5371-0AA30-0AB0 commissioning requires a verified machine backup and matching licenses; never test an unknown NCU with drives enabled.
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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.
How do the memory resources of Siemens 6FC5371-0AA30-0AB0 support machine control?
The NCU provides 2 GB DRAM for runtime processing and 1 GB NVM for the documented non-volatile functions.
What thermal limits govern Siemens 6FC5371-0AA30-0AB0 cabinet operation?
Siemens specifies 0 to 55 °C operation, with the cabinet arranged to prevent condensation and preserve cooling.
Why is a machine image needed even though Siemens 6FC5371-0AA30-0AB0 has NVM?
The full machine configuration includes CompactFlash content, licenses, drive data and PLC records beyond the basic hardware memory figure.
What role does Siemens 6FC5371-0AA30-0AB0 play between the CNC and drives?
It executes the SINUMERIK control application and coordinates motion, PLC logic and communication with the commissioned drive system.
Is an NCU with the same housing automatically compatible with Siemens 6FC5371-0AA30-0AB0?
No. NCU type, software, CNC options, memory, interfaces, licenses and machine topology must match.
Which machine records should be attached to a Siemens 6FC5371-0AA30-0AB0 enquiry?
Include the NCU and storage labels, control software release, machine builder, option list, backup status, quantity and destination.

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