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SIMATIC DP · RS485 BUS CONNECTOR
6ES7972-0BA12-0XA0
PROFIBUS RS485 Bus Connector · 90° Cable Outlet · Without PG Socket
The 6ES7972-0BA12-0XA0 is a SIMATIC DP PROFIBUS connection plug designed for connecting PROFIBUS stations to the PROFIBUS bus cable. It uses a screw connection for the PROFIBUS conductors and provides a 9-pin Sub-D connection toward the network component or terminal equipment.
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KEY CONFIGURATION
PROFIBUS DP
Up to 12 Mbit/s Connection
RS485 / 9-pin Sub-D Cable Outlet
90° PG Socket
Not included |
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PRODUCT
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Overview
The Siemens 6ES7972-0BA12-0XA0 is a PROFIBUS RS485 bus connector for SIMATIC DP installations. Its 90° cable outlet is intended for compact field wiring around PROFIBUS stations, while the integrated terminating resistor can be connected through a slide switch and provides an isolating function.
DESIGN FOCUS
Screw-connected PROFIBUS cable termination, 90° routing, integrated switchable termination, strain relief and IP20 protection are combined in a compact connector housing.
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Functional Highlights
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CONNECTION ARCHITECTURE
PROFIBUS Cable → 6ES7972-0BA12-0XA0 → PROFIBUS Station
Cable connection: Screw
Equipment connection: 9-pin Sub-D
Termination: Integrated / switchable
PG connection: No
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| Product Type | PROFIBUS connector, RS485 |
| PROFIBUS DP Transfer Rate | 9.6 kbit/s ... 12 Mbit/s |
| PROFIBUS Cable Connections | 2 |
| Equipment / Network Connection | 1 × 9-pin Sub-D connector |
| Cable Connection Method | Screw connection |
| FastConnect | No |
| Terminating Resistor | Integrated resistor combination, connectable by slide switch |
| Cable Outlet | 90° |
| Dimensions W × H × D | 15.8 × 64 × 35.6 mm |
| Net Weight | 36 g |
| Operating Temperature | -25 ... +60 °C |
| Storage / Transport Temperature | -40 ... +70 °C |
| Protection Rating | IP20 |
| PG Connection Socket | No |
| Strain Relief | Yes |
| Silicon-Free | Yes |
| Approvals / Compliance | RoHS conformity, UL approval |
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RS485 / PROFIBUS Connector Series
The 6ES7972-0BA12-0XA0 belongs to the SIMATIC DP RS485 bus connector family. Within this connector group, different mechanical and connection variants are available for PROFIBUS installations. The family includes versions with or without a PG connection socket, different cable outlet arrangements and FastConnect alternatives.
Series selection logic:
The key selection points are cable outlet direction, connection method, transmission-rate requirement, PG socket requirement and whether FastConnect wiring is required. |
Closely Related Variants
6ES7972-0BB12-0XA0
90° outlet with PG connection socket 6ES7972-0BA42-0XA0
35° outlet without PG connection socket 6ES7972-0BA52-0XA0
FastConnect, 90° outlet, without PG socket |
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Where It Fits
The connector is intended for PROFIBUS stations using an RS485 bus connection. It is suitable for SIMATIC DP network installations where a 90° cable exit and screw-connected PROFIBUS wiring are preferred.
Why This Variant Matters
The absence of a PG socket makes this version appropriate when a programming-device connection is not required at the connector. The integrated switchable terminating resistor is useful for network segments where the connector is positioned at a termination point.
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Replacement Checks
Before replacing an existing connector, verify the PROFIBUS transmission rate, cable outlet direction, termination position, wiring method and whether a PG socket is required. A visually similar connector may not provide the same connection arrangement.
Typical Network Symptoms
Intermittent PROFIBUS communication, station dropouts or unstable bus operation can make connector and termination checks relevant. Verify conductor seating, shielding, mechanical retention and the position of the terminating resistor before replacing other network components.
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QUICK INQUIRY
Request a Quote for 6ES7972-0BA12-0XA0
To help us confirm the correct part and shipping arrangement quickly, please include:
Part Number · Quantity · Destination · Required Date · Machine/System
Delivery: 3–5 days | Warranty: 12 months | Packaging: Brand New
Delivery way: E-packing / FedEx / EMS / TNT / DHL / UPS | Payment term: T/T
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DIRECT CONTACT
EMAIL · sales@amikon.cn WHATSAPP · 86-18020776792
Sales Manager
Miya zheng |
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01 · Is 6ES7972-0BA12-0XA0 the right choice when the PROFIBUS network requires a 90° cable exit?
Yes. This version is specifically configured with a 90° cable outlet and is intended for PROFIBUS connections where the cable needs to leave the connector at a right angle.
02 · Can 6ES7972-0BA12-0XA0 be used when the PROFIBUS segment runs at 12 Mbit/s?
Yes. The specified PROFIBUS DP transfer-rate range is 9.6 kbit/s through 12 Mbit/s, so 12 Mbit/s operation falls within its rated range.
03 · Why would a buyer choose 6ES7972-0BA12-0XA0 instead of a connector with a PG socket?
The 6ES7972-0BA12-0XA0 is the version without a PG connection socket. It is therefore a practical choice when the installation does not require a local programming-device connection at the bus connector.
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04 · How should 6ES7972-0BA12-0XA0 be selected when replacing an older PROFIBUS connector?
Match the existing connector's cable outlet, wiring method, PROFIBUS speed range, termination arrangement and PG-socket requirement. These details are more important than appearance alone when selecting a replacement.
05 · What makes 6ES7972-0BA12-0XA0 useful for PROFIBUS termination troubleshooting?
It incorporates a switchable terminating resistor. When communication becomes unstable, the connector's termination position, cable seating and conductor connections can therefore be checked as part of the network troubleshooting process.
Need help confirming a replacement? Send the existing part number, quantity, destination and machine/system details to AMIKON for a configuration check.
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AFTER-SALES
Return & Replacement
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Please contact us within 7 days if you have any question after receiving the items.
Returned items should remain in their original condition, together with a specific reason for the return. After the returned goods are received, we will arrange a return or replacement according to the case.
Shipping costs incurred for the return are the responsibility of the buyer.
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Built Around Availability.
AMIKON supports industrial automation maintenance and replacement projects with a broad range of PLC, DCS, control, communication and monitoring components. The goal is practical: help maintenance teams shorten sourcing cycles, keep critical systems operating and reduce avoidable downtime. Global sourcing support · Industrial automation spare parts · Fast quotation response · International delivery
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AMIKON works across multiple industrial automation brands and equipment categories, including:
HIMA · PLC / Safety Control · ABB · DCS / AC800F / AC800M / Robot Spare Parts · KUKA · Robot Spare Parts · Rockwell / Allen-Bradley · Industrial Control · ICS Triplex · Trusted Control Systems · TRICONEX · Tricon Safety Systems · Woodward · Turbine Control · GE · IS200 / DS200 / IS215 / DS215 · Yokogawa · CS3000 · Bently Nevada · 3500 Monitoring Systems · Emerson · DeltaV / CSI 6500 / EPRO Monitoring Components
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Product module 15499-146/8 Brands Siemens Payment Paypa/TT Condition 100% New Weight 2.86kg Production year 2024 country of origin Germany
Product module 6DD7060-1AA06 Brands Siemens Payment Paypa/TT Condition 100% New Weight 2.2kg Production year 2024 country of origin Germany
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
Email : sales3@amikon.cn Mobile : 86-18030235311 Skype : jessica01235483 Wechat : hu18030235311
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