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6ES7157-0AC83-0XA0

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As a SIMATIC DP FDC157-0 PROFIBUS DP/PA coupler, Siemens 6ES7157-0AC83-0XA0 links PROFIBUS DP control communication with non-Ex PROFIBUS PA field devices.
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Technical specifications for 6ES7157-0AC83-0XA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7157-0AC83-0XA0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    SIMATIC DP FDC157-0 PROFIBUS DP/PA Coupler
  • Stock:
    1
  • PA Segment Type:
    Non-Ex
  • PA Output Current:
    1000 mA
  • PA Output Voltage:
    31 V
  • Integrated Diagnostic Slave:
    Yes
  • Redundant Operation:
    Supported in the documented arrangement
  • Protection Rating:
    IP20
  • Temperature Version:
    Extended temperature range
  • Weight:
    1.2985 lbs (0.589 kg)
  • Estimated shipping dimensions:
    15.5x13.2x8.9cm
  • Tariff Code:
    85389091
  • 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 DP to PA Path Segment Power Redundant Coupling Installation Limits

Features:

  • The FDC157-0 couples a PROFIBUS DP controller path to a non-Ex PROFIBUS PA segment.
  • A 31 V PA output supplies the connected segment within the stated current budget.
  • Integrated diagnostics return coupler and segment states through the DP network.
The control network and powered fieldbus segment meet at one coupling point.

Redundant operation uses the documented paired arrangement rather than an independent local mode.

The IP20 assembly belongs inside the specified cabinet and temperature conditions.

The Siemens 6ES7157-0AC83-0XA0 SIMATIC DP FDC157-0 DP/PA Coupler may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7157-0AC83-0XA0 FDC157-0 Coupler 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.

Moving controller traffic onto the PA segment

  • DP connection: The controller-side network exchanges cyclic data with the coupler.
  • Protocol boundary: The coupler transfers that exchange to the lower-speed PA fieldbus.
  • PA devices: Field instruments communicate on the powered non-Ex segment.
  • Diagnostic return: Coupler conditions travel back through the integrated DP diagnostic slave.

Matching field load to the PA output

  • Output voltage: The coupler establishes the documented PA bus voltage.
  • Current budget: Device and cable demand share the available segment current.
  • Non-Ex boundary: This article is the non-intrinsically-safe FDC157-0 version.
  • Load check: Commissioning must confirm that the assembled segment stays within the output limit.

Using two paths in the supported arrangement

  • Paired units: The documented redundancy layout uses two couplers for the fieldbus connection.
  • Controller view: Diagnostic information lets the automation system distinguish the available paths.
  • Shared segment: Both coupling paths serve the intended PA network rather than separate instruments.
  • Wiring check: DP and PA connections must follow the approved redundant topology.

Applying the coupler inside its rated environment

  • Cabinet mounting: The IP20 assembly requires the specified protected installation location.
  • Temperature version: The exact article is the extended-temperature FDC157-0 version.
  • Segment type: Only the documented non-Ex PA arrangement applies to this order number.
  • Model suffix: The complete 0AC83-0XA0 code separates this coupler from later revisions.
Description
Siemens 6ES7157-0AC83-0XA0 is the SIMATIC DP FDC157-0 field device coupler that links a PROFIBUS DP automation path with a non-Ex PROFIBUS PA segment. It transfers cyclic communication while feeding the PA bus from its 31 V output.

On the field side, 6ES7157-0AC83-0XA0 makes up to 1000 mA available to the connected PA segment, so the combined device and cable demand must remain inside that budget. The DP side carries the process exchange toward the controller rather than powering those field instruments.

An integrated diagnostic slave lets 6ES7157-0AC83-0XA0 return coupler and segment conditions through PROFIBUS DP. When the documented redundant arrangement is used, two coupling paths serve the PA segment while the controller evaluates the available status information.
Alternative Names
6ES71570AC830XA0 6ES7157 0AC83 0XA0 6ES7 157-0AC83-0XA0 Siemens FDC157-0 FDC157-0 DP PA Coupler 6ES7157-0ACB3-0XA0 6ES7I57-0AC83-0XA0 SIMATIC DP FDC157-0
Technical notes
Siemens 6ES7157-0AC83-0XA0 couples a PROFIBUS DP master path to a powered non-Ex PA segment; verify segment load and redundancy wiring before commissioning.
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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.
A PA segment becomes unstable as instruments are added to 6ES7157-0AC83-0XA0; what should be calculated?
Add the current demand of every field device and the segment wiring served by 6ES7157-0AC83-0XA0. The assembled load must remain within its 1000 mA PA output budget.
How can a buyer avoid using 6ES7157-0AC83-0XA0 on the wrong type of PA segment?
Confirm that the planned fieldbus segment is non-Ex before choosing 6ES7157-0AC83-0XA0. An intrinsically safe PA installation requires its specified coupling equipment rather than this FDC157-0 version.
If process data passes but coupler diagnostics are absent, where should 6ES7157-0AC83-0XA0 be checked?
Verify that the integrated diagnostic slave for 6ES7157-0AC83-0XA0 is represented on the PROFIBUS DP side and that the controller path reaches the coupler. PA load checks alone will not establish DP diagnostics.
What prevents two 6ES7157-0AC83-0XA0 units from being treated as unrelated couplers in a redundant layout?
The two 6ES7157-0AC83-0XA0 paths must follow the documented redundant topology and serve the intended PA segment together. Their DP and PA connections cannot be assigned as independent ad-hoc branches.
Why must the complete suffix be checked before exchanging 6ES7157-0AC83-0XA0?
The full 6ES7157-0AC83-0XA0 identity fixes the non-Ex FDC157-0 configuration and extended-temperature version. A nearby FDC157 article can carry a different segment output or hardware revision.

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