Ask our team:
  • Phone: +86 181 0690 9650
  • E-Mail sales1@apterpower.com
  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports 6ES7972-0AC80-0XA0 with quotations, manuals, product selection, and model matching.

6ES7972-0AC80-0XA0

/ 4.9
1001 reviews | Need a Specific Revision?
Siemens 6ES7972-0AC80-0XA0 is a PROFIBUS DP/RS485-IS coupler that converts a standard DP segment into an intrinsically safe bus connection for approved field nodes in hazardous-area systems.
In Stock
Ships by Wednesday, October 28
Fast Shipping Available
Get a quick price for 6ES7972-0AC80-0XA0
Quantity
*E-mail
Company
*Mobile
*Content
Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)

Technical specifications for 6ES7972-0AC80-0XA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7972-0AC80-0XA0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    PROFIBUS DP to RS485-IS Coupler
  • Stock:
    1
  • Bus Conversion:
    PROFIBUS DP to RS485-IS
  • Supply Voltage:
    20.4 to 28.8 V DC
  • Current Consumption:
    150 mA maximum
  • Power Loss:
    3 W typical
  • Supply Connection:
    Screw terminal
  • Protection Degree:
    IP20
  • Installation Area:
    Zone 2 interface for intrinsically safe nodes
  • Operating Temperature Class:
    Extended temperature version
  • Housing Width:
    80 mm
  • Housing Height:
    125 mm
  • Housing Depth:
    67.5 mm; 130 mm with connected cabling
  • Network Role:
    Coupler between non-intrinsically-safe and RS485-IS PROFIBUS segments
  • Approvals:
    Industrial and hazardous-area approvals per Siemens certificate set
  • Weight:
    1.2214 lbs (0.554 kg)
  • Estimated shipping dimensions:
    15.5x13.2x9.1cm
  • Tariff Code:
    85176200
  • 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 Bus Boundary Power Wiring Ex Checks Fault Tracing

Features:

  • A defined coupling boundary links standard PROFIBUS DP to an RS485-IS segment.
  • The intrinsically safe side supports approved field nodes in hazardous-area installations.
  • A 24 V DC supply and IP20 housing suit protected control-cabinet mounting.
The coupler performs a safety-related physical-layer conversion rather than acting as a general Ethernet or protocol gateway.

Cable, node and termination limits on the RS485-IS side must be taken from the certified Siemens segment design.

Commissioning should verify both PROFIBUS communication and the hazardous-area installation conditions.

The Siemens 6ES7972-0AC80-0XA0 PROFIBUS DP/RS485-IS Coupler may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7972-0AC80-0XA0 PROFIBUS DP/RS485-IS 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.

Separating the two PROFIBUS segments

  • DP side: The standard PROFIBUS DP segment connects on the non-intrinsically-safe side.
  • IS side: The RS485-IS connection serves field nodes approved for the intrinsically safe segment.
  • Coupler role: Physical-layer values are converted while the PROFIBUS communication path is retained.
  • Installation limit: The safety boundary is valid only inside the documented certificate and wiring conditions.

Supplying the coupler correctly

  • Nominal system: The device belongs to a 24 V DC control supply.
  • Permitted range: The documented supply extends from 20.4 to 28.8 V DC.
  • Termination: Power is landed on the specified screw-terminal connection.
  • Heat load: Allow for approximately 3 W of power loss in the enclosure design.

Hazardous-area checks before startup

  • Certificate match: Verify the current approval documents for the country and target zone.
  • Node approval: Every connected device must be approved for the intended RS485-IS segment.
  • Segment budget: Cable and node electrical values must remain inside the certified bus budget.
  • Cabinet protection: The IP20 coupler requires the enclosure protection specified for its installation area.

Separating topology faults from safety issues

  • DP test: Confirm master configuration, address and termination on the standard DP side.
  • IS test: Inspect the intrinsically safe cable, terminators and permitted field-node arrangement.
  • Supply test: Measure the 24 V DC supply within the stated 20.4 to 28.8 V range.
  • Boundary rule: Do not substitute ordinary RS485 parts across the certified interface.
Description
Siemens 6ES7972-0AC80-0XA0 is a PROFIBUS DP to RS485-IS coupler that joins a conventional automation bus to an intrinsically safe field segment. The device preserves PROFIBUS communication while translating the physical-layer electrical conditions at the boundary between the two sides.

Power enters 6ES7972-0AC80-0XA0 through its 24 V DC screw-terminal connection and supplies the coupling electronics inside the IP20 enclosure. Standard PROFIBUS DP equipment remains on one interface, while approved RS485-IS nodes and their certified cable network occupy the intrinsically safe interface.

The segment formed by 6ES7972-0AC80-0XA0 operates within the Siemens certificate limits for node count, cable values and termination. These electrical limits define the RS485-IS network independently of whether PROFIBUS telegrams are already passing through the coupler.
Alternative Names
6ES79720AC800XA0 6ES7 972-0AC80-0XA0 6ES7972 0AC80 0XA0 Siemens 6ES79720AC800XA0 PROFIBUS DP RS485-IS Coupler SIMATIC DP Intrinsically Safe Coupler RS485 IS Fieldbus Interface Zone 2 PROFIBUS Coupling Module
Technical notes
Siemens 6ES7972-0AC80-0XA0 establishes the defined safety boundary between standard PROFIBUS DP and RS485-IS. Confirm the applicable Ex certificate, segment limits and termination layout before energizing the field bus.
Exceptional Service

Our Mission

  • 100% Satisfaction

    We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.
  • Trust Guaranteed

    Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.
  • Expertise

    Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

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.
When is 6ES7972-0AC80-0XA0 needed instead of a normal PROFIBUS repeater?
Use 6ES7972-0AC80-0XA0 when the field segment must meet RS485-IS intrinsic-safety requirements; an ordinary repeater does not create that certified boundary.
Which side of 6ES7972-0AC80-0XA0 connects to hazardous-area instruments?
The RS485-IS side of 6ES7972-0AC80-0XA0 serves approved intrinsically safe nodes, while the conventional PROFIBUS DP side remains outside that field segment.
Why can communication through 6ES7972-0AC80-0XA0 work but still fail inspection?
A live PROFIBUS telegram does not prove that 6ES7972-0AC80-0XA0 meets the certificate, enclosure, cable and segment-energy conditions required for the installation.
How should a no-bus condition at 6ES7972-0AC80-0XA0 be isolated?
For 6ES7972-0AC80-0XA0, test the 24 V supply and standard DP termination separately from the RS485-IS cable, terminators and approved field nodes.
What power check prevents unstable operation of 6ES7972-0AC80-0XA0?
Measure the supply at 6ES7972-0AC80-0XA0 under load and keep it inside 20.4 to 28.8 V DC with adequate allowance for its current consumption.
Does 6ES7972-0AC80-0XA0 replace hazardous-area engineering documentation?
No. 6ES7972-0AC80-0XA0 must be applied with its Siemens certificates and the site loop documentation; the catalog number alone does not validate the segment.

Product Browsing History