MR-D05UDL3M-B
MR-D05UDL3M-B
MR-D05UDL3M-B
MR-D05UDL3M-B
MR-D05UDL3M-B
MR-D05UDL3M-B
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MR-D05UDL3M-B

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Mitsubishi MR-D05UDL3M-B is a factory-terminated 3 m CN8 Safe Torque Off cable that carries dual STO inputs and monitor outputs between safety equipment and a servo drive.
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Technical specifications for MR-D05UDL3M-B

  • Manufacturer:
    Mitsubishi
  • Part Number:
    MR-D05UDL3M-B
  • Product Family:
    Mitsubishi MELSERVO
  • Product Type:
    3 m CN8 Safe Torque Off Cable
  • Stock:
    1
  • Cable function:
    CN8 Safe Torque Off connection
  • Cable length:
    3 m
  • Cable outer diameter:
    5.7 mm nominal
  • Drive connector:
    CN8
  • Connector set:
    2069250-1
  • STO1 input:
    CN8 pin 4
  • STO2 input:
    CN8 pin 5
  • STO common:
    CN8 pin 3
  • TOF1 output:
    CN8 pin 6
  • TOF2 output:
    CN8 pin 7
  • TOF common:
    CN8 pin 8
  • STO1 conductor:
    Yellow, red dot
  • STO2 conductor:
    Gray, black dot
  • TOF1 conductor:
    Gray, red dot
  • TOF2 conductor:
    White, black dot
  • Weight:
    0.2205 lbs (0.1 kg)
  • Estimated shipping dimensions:
    14x14x3cm
  • Tariff Code:
    8544421900
  • Country of origin:
    Japan
  • 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 CN8 Signals Core Marking Cable Limits STO Path

Features:

  • The 3 m factory lead connects an external safety circuit to the servo drive's CN8 interface.
  • Separate cores carry two STO inputs and two corresponding monitor outputs.
  • Color and dot markings distinguish the six active signal conductors.
The connector set on MR-D05UDL3M-B mates with CN8 and preserves the drive-side pin assignment defined for the STO circuit.

Pins 3 through 8 provide the two input paths, two feedback paths and their respective commons; pins 1 and 2 are not assigned in the connection diagram.

The nominal 5.7 mm cable diameter and fixed 3 m length are selection details for routing the complete factory lead without changing its termination.

The Mitsubishi MR-D05UDL3M-B 3 m CN8 Safe Torque Off Cable may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Mitsubishi MR-D05UDL3M-B 3 m CN8 Safe Torque Off Cable 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.

Drive-side safety connector

  • Input common: STOCOM reaches the drive at CN8 pin 3.
  • Safety inputs: STO1 and STO2 terminate at pins 4 and 5 as separate channels.
  • Monitor outputs: TOF1 and TOF2 leave through pins 6 and 7.
  • Output common: TOFCOM completes the feedback side on pin 8.

Tracing the terminated conductors

  • STO1: the yellow core with a red dot carries the first safety input.
  • STO2: the gray core with a black dot carries the second safety input.
  • Feedback pair: gray/red and white/black identify TOF1 and TOF2.
  • Commons: yellow/black and white/red separate the input and output returns.

Factory lead boundaries

  • Fixed reach: the complete MR-D05UDL3M-B assembly is supplied as a 3 m cable.
  • Outer diameter: routing space is based on the nominal 5.7 mm cable body.
  • Terminated assembly: the CN8 connector set is part of the defined cable configuration.
  • Unused positions: CN8 pins 1 and 2 are not populated by the six listed signal paths.

Command and feedback flow

  • External source: the safety device sends the two independent STO commands toward CN8.
  • Drive input: the paired inputs enter the servo electronics through STO1 and STO2.
  • State feedback: TOF1 and TOF2 return the two input states to the receiving circuit.
  • Separate returns: STOCOM and TOFCOM keep the command and monitoring commons distinct.
Description
Mitsubishi MR-D05UDL3M-B is a 3 m CN8 Safe Torque Off cable for servo safety wiring. It carries two independent STO input conductors, their common, two monitor-output conductors and the output common in one factory-terminated lead.

At the drive end, MR-D05UDL3M-B assigns STO1 and STO2 to CN8 pins 4 and 5, with STOCOM on pin 3. The monitor paths leave the drive through pins 6 and 7 and return through pin 8, keeping command and feedback conductors distinguishable.

The color and dot markings of MR-D05UDL3M-B identify each core before it reaches the external safety device. Yellow, gray and white conductors are paired with red or black dot marks so the six used signal paths can be traced without treating pins 1 and 2 as active connections.
Alternative Names
MRD05UDL3MB MR D05UDL3M B MR-D05UDL3M B Mitsubishi MR-D05UDL3M-B MELSERVO MR-D05UDL3M-B MR-D05UDL3M-B STO Cable MR-D05UDL3M-8 MR-DOSUDL3M-B
Technical notes
Mitsubishi MR-D05UDL3M-B is the 3 m factory STO lead that terminates the dual safety-input and feedback-signal conductors at CN8.
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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 makes Mitsubishi MR-D05UDL3M-B different from a motor or encoder cable?
Mitsubishi MR-D05UDL3M-B is a CN8 Safe Torque Off cable; its cores carry dual STO commands and monitor outputs rather than motor power or encoder data.
Does the 3M portion of MR-D05UDL3M-B identify the supplied cable length?
Yes. MR-D05UDL3M-B is the 3 m version of this factory-terminated STO lead.
Which CN8 pins must match when replacing a Mitsubishi MR-D05UDL3M-B?
For Mitsubishi MR-D05UDL3M-B, STOCOM/STO1/STO2 use pins 3/4/5 and TOF1/TOF2/TOFCOM use pins 6/7/8.
Why are CN8 pins 1 and 2 not part of the MR-D05UDL3M-B signal list?
The connection diagram for MR-D05UDL3M-B assigns its six used paths only to CN8 pins 3 through 8, leaving pins 1 and 2 unassigned.
How can the two safety channels be distinguished in an MR-D05UDL3M-B cabinet route?
MR-D05UDL3M-B marks STO1 with yellow/red-dot wire and STO2 with gray/black-dot wire; the feedback conductors use different gray and white dot combinations.
Which connector-set number supports an exact MR-D05UDL3M-B identification check?
The drive-side connector set listed with MR-D05UDL3M-B is 2069250-1, which should be checked together with the full cable model and 3 m length.

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