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IndGearIndustrial automation parts, verified before order approval.Request quoteBK3100catalog record
Beckhoff / BK3100
Beckhoff BK3100 Bus Coupler
Beckhoff BK3100 supports PLC cabinet maintenance, I/O expansion, and controller-platform spare matching; confirm controller family, I/O signal type, revision or firmware and USD RFQ context before approval.
- Brand
- Beckhoff
- SKU
- BK3100
- Category
- Bus Terminals / Bus Couplers
- Condition
- used
- Price status
- verified
- Sources
- 4 records
Product overview
Beckhoff BK3100 is listed as a Bus Terminals / Bus Couplers bus coupler record for SKU-led sourcing. The current record shows used, has a verified USD price reference, and must still go through RFQ review so source, condition, warranty, and shipping terms are confirmed before order approval.
Technical notes
Beckhoff BK3100 is maintained as a bus coupler for PLC cabinet maintenance, I/O expansion, and controller-platform spare matching. It is grouped with Beckhoff Bus Coupler records so buyers can compare like-for-like spares instead of treating it as an anonymous import line. The card is treated as rich because source-backed structured data supports the identity and specification depth. Current structured facts include communication protocol PROFIBUS; compatible system Beckhoff modular I/O system; voltage 24 V DC (-15%/+20%); current 70 mA + (total K-bus current)/4, 500 mA max.. USD price context is available as a reference observation, while final commercial terms still require RFQ confirmation. Before approval, confirm controller family, I/O signal type, revision or firmware, terminal layout, quantity, preferred condition, and destination country. The record does not claim authorized distribution, guaranteed stock, warranty, lead time, or final compatibility without operations review.
Key features
- Manufacturer part number: BK3100
- Manufacturer: Beckhoff
- Category: PLC Modules
- Type: bus coupler
- Family/context: Beckhoff Bus Coupler
- communication protocol: PROFIBUS
- compatible system: Beckhoff modular I/O system
- voltage: 24 V DC (-15%/+20%)
Applications
- PLC cabinet maintenance
- I/O module replacement by BOM
- automation retrofit sourcing
Verified specifications
| series | Beckhoff Bus Coupler |
|---|---|
| system | Bus Terminal |
| current | 70 mA + (total K-bus current)/4, 500 mA max. |
| network | PROFIBUS DP |
| voltage | 24 V DC (-15%/+20%) |
| function | fieldbus or Ethernet coupling |
| mounting | DIN rail terminal assembly |
| dimensions | 51 mm x 100 mm x 69 mm |
| bus interface | 1 x D-sub 9-pin socket with shielding |
| k bus current | 1750 mA |
| analog signals | 64 inputs/outputs (only DP mode) |
| certifications | CE, CCC, UL, ATEX, IECEx, DNV |
| power contacts | max. 24 V DC/max. 10 A |
| product family | Beckhoff Bus Coupler |
| digital signals | 512 inputs/outputs |
| isolation rating | 500 V (power contact/supply voltage/fieldbus) |
| compatible system | Beckhoff modular I/O system |
| max bus terminals | 64 |
| protection rating | IP20 |
| temperature range | operating 0...55 C; storage -25...+85 C |
| data transfer rate | automatic detection up to 12 Mbaud |
| product designation | PROFIBUS Bus Coupler |
| verified spec notes | Beckhoff fields were parsed from exact Beckhoff-owned product pages, page titles, meta descriptions, and product technical tables only; no stock, warranty, authorization, lead time, or replacement compatibility claim is inferred. |
| beckhoff verified at | 2026-05-21T12:05:32.540Z |
| verified spec fields | analog_signals, bus_interface, certifications, communication_protocol, current, data_transfer_rate, digital_signals, dimensions, fieldbus_process_image, isolation_rating, k_bus_current, manufacturer_part_number, max_bus_terminals, mounting, power_contacts, product_designation, protection_rating, temperature_range, voltage |
| verified spec method | beckhoff_official_product_table_parser_v1 |
| communication protocol | PROFIBUS |
| fieldbus process image | 64 byte input and 64 byte output (DP and FMS mode), 128 byte input and 128 byte output (only DP mode) |
| manufacturer part number | BK3100 |
| verified spec source url | https://www.beckhoff.com/en-us/products/i-o/bus-terminals/bkxxxx-bus-coupler/bk3100.html |
| verified spec field sources | [object Object] |
| verified spec conflicts skipped | [object Object], [object Object] |
Source context
References used before quote approval
FAQ
Is Beckhoff BK3100 available for immediate shipment?
Availability must be confirmed during RFQ because source, condition, stock location, and destination can change.
Can I request used or refurbished condition?
Yes. Include required condition and quantity in the RFQ so the team can verify available options.
Is this an authorized distributor page?
No unsupported authorization claim is made here. IndGear operates as an independent supplier marketplace unless specific authorization is verified.
RFQ control path
Turn an exact SKU into an approved purchase path.
IndGear reviews source, condition, lead time, warranty terms, and USD quote context before your team commits to the order.
- 01Submit SKU / BOMExact model, quantity, condition, destination
- 02Verify sourceSupplier signal, condition, references
- 03Review quoteUSD price, lead time, warranty terms
- 04Approve orderFinal confirmation before purchase
Quote-only sourcingRequest a USD quote
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