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6ES7181-0AA01-0AA0

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Siemens 6ES7181-0AA01-0AA0 is the SIMATIC DP BT200 handheld bus test unit used to check PROFIBUS-DP installation wiring and RS485 bus segments.
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Technical specifications for 6ES7181-0AA01-0AA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7181-0AA01-0AA0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    PROFIBUS-DP Bus Test Unit
  • Stock:
    1
  • Device Designation:
    BT200
  • Test Network:
    PROFIBUS-DP
  • Normal Mode:
    Wiring test
  • Specialist Modes:
    Station, branch, distance, reflection and service
  • Supported Baud Rates:
    9.6 kbit/s to 12 Mbit/s
  • Display:
    2 x 16 character LCD
  • Battery:
    4.8 V NiCd, at least 720 mAh
  • Battery Operating Time:
    At least 8 hours
  • Degree of Protection:
    IP30
  • Operating Temperature:
    5 to 45 degrees C
  • Storage Temperature:
    -20 to 60 degrees C
  • Distance Accuracy:
    Plus or minus 3 m
  • Weight:
    0.772 lbs (0.35 kg)
  • Estimated shipping dimensions:
    21x10x5.5cm
  • Tariff Code:
    90308400
  • 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 Wiring Test Station Test Cable Analysis Service Setup

Features:

  • The BT200 performs PROFIBUS-DP physical-layer checks without a separate computer or oscilloscope.
  • Normal mode guides cable-wiring checks, while specialist mode separates station, branch and reflection faults.
  • A rechargeable battery and two-line display support portable diagnostics along an installed bus segment.
The test unit connects at the segment under investigation and presents step-by-step prompts rather than raw oscilloscope traces.

Wiring checks are carried out with the segment prepared as required, preventing active stations from masking basic conductor faults.

Specialist measurements use selected cable data so reported distance and reflection results correspond to the installed PROFIBUS medium.

The Siemens 6ES7181-0AA01-0AA0 SIMATIC DP BT200 Bus Test Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7181-0AA01-0AA0 SIMATIC DP BT200 Bus Test 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.

Preparing and checking a passive segment

  • Isolation Step: Stations are disconnected as directed so the tester evaluates the cable rather than active transceivers.
  • Conductor Check: The routine identifies interrupted A or B conductors and line-to-line short circuits.
  • Shield Check: Shield connection errors are reported separately from signal-conductor faults.
  • Termination Check: The result distinguishes missing, incorrect or excessive segment termination.

Checking live RS485 participants

  • Address Selection: The operator enters the station address to direct the test at one network participant.
  • Response Check: A valid reply confirms that the selected RS485 station can answer on the segment.
  • Bus Activity: The tester separates an inactive line from a line carrying recognizable PROFIBUS communication.
  • Fault Boundary: Station results complement the passive wiring test when cabling appears intact but communication still fails.

Locating distance and reflection problems

  • Branch Check: The branch routine identifies spur-related conditions that can disturb a PROFIBUS trunk.
  • Distance Mode: Propagation time is converted into an estimated cable length using the selected cable parameters.
  • Reflection Mode: Returned signal energy reveals impedance changes caused by connectors, branches or termination points.
  • Result Use: Comparing distance and reflection positions narrows the physical search area along the installed segment.

Settings that affect field measurements

  • Cable Selection: The configured propagation value must correspond to the installed PROFIBUS cable for meaningful distance results.
  • Baud Context: Supported network rates extend from 9.6 kbit/s through 12 Mbit/s for station-oriented checks.
  • Battery State: Charging status should be checked before extended work away from the charging device.
  • Self-Test: The internal test verifies the handheld unit before measurements are used to judge the installation.
Description
Siemens 6ES7181-0AA01-0AA0 is the SIMATIC DP BT200 handheld PROFIBUS-DP bus test unit, designed to identify installation and RS485 segment problems without requiring a PC or oscilloscope at the test point.

Normal mode checks the disconnected cable for conductor interruption, short circuit, shielding errors and termination conditions. The display guides the operator through the wiring test and reports the detected fault type.

Specialist mode addresses live-network questions through station testing, branch checks, cable-distance measurement and reflection analysis. These functions separate a physical cable problem from a station-response or termination problem.

Service settings select the test behavior and cable parameters used for distance calculations. The rechargeable battery supports portable work, while the LCD presents two lines of sixteen characters for guided field diagnostics.
Alternative Names
6ES71810AA010AA0 6ES7 181-0AA01-0AA0 6ES7 181 0AA01 0AA0 Siemens 6ES7181-0AA01-0AA0 SIMATIC DP BT200 BT 200 PROFIBUS Tester 6ES7181-0AA01-0AA0 Bus Test Unit 6ES718I-0AA01-0AA0
Technical notes
The Siemens 6ES7181-0AA01-0AA0 BT200 checks PROFIBUS-DP wiring in normal mode and adds station, branch, distance and reflection tests in specialist mode. It supports 9.6 kbit/s to 12 Mbit/s networks.
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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 should a segment be prepared before the normal wiring test on 6ES7181-0AA01-0AA0?
Disconnect or isolate the PROFIBUS stations as directed for 6ES7181-0AA01-0AA0 so active transceivers do not distort the passive cable check.
What can 6ES7181-0AA01-0AA0 reveal when continuity looks correct but communication still fails?
Use the station and reflection functions of 6ES7181-0AA01-0AA0 to separate a nonresponding RS485 participant from a branch, connector or termination problem.
Why must the cable setting be correct before using distance mode on 6ES7181-0AA01-0AA0?
6ES7181-0AA01-0AA0 converts propagation time into length using the selected cable value, so the wrong setting shifts the indicated fault distance.
Which 6ES7181-0AA01-0AA0 mode helps find impedance changes rather than conductor breaks?
Reflection test mode on 6ES7181-0AA01-0AA0 locates returned signal energy from connectors, branches, cable damage or incorrect termination.
Can 6ES7181-0AA01-0AA0 check whether one addressed PROFIBUS device responds?
Yes. The specialist station test of 6ES7181-0AA01-0AA0 targets the selected RS485 address and reports whether it answers on the bus.
Before remote work begins, which 6ES7181-0AA01-0AA0 readiness checks are needed?
Check the battery charge, run the self-test and confirm the cable parameters on 6ES7181-0AA01-0AA0 before starting remote segment diagnostics.