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Beckhoff Bus Terminals (KL)

Shop Beckhoff Bus Terminals (KL) parts. New, refurbished & surplus with tested warranty. Same-day shipping. Engineering support for replacements & migrations.

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1-Year Warranty

Bus Terminals (KL) — Available Products

Beckhoff BK9100 EtherCAT Bus Coupler
Beckhoff

Beckhoff BK9100

$420.99

Beckhoff KL3458 8-channel analog input terminal for K-Bus system
Beckhoff

Beckhoff KL3458

$716.99

Beckhoff KL3204 4-Channel Analog Input Terminal for accurate current measurement
Beckhoff

Beckhoff KL3204

$437.99

Beckhoff KL3122 2-channel analog input terminal for industrial automation
Beckhoff

Beckhoff KL3122

$454.00

Beckhoff KL2012 2-Channel Digital Input Terminal
Beckhoff

Beckhoff KL2012

$290.00

Beckhoff KL2424 4-channel digital output terminal for industrial automation
Beckhoff

Beckhoff KL2424

$276.99

Beckhoff KL3162 2-Channel Analog Input Terminal
Beckhoff

Beckhoff KL3162

$904.00

Beckhoff KL3002 2-channel analog input terminal for DIN rail mounting
Beckhoff

Beckhoff KL3002

$550.00

Beckhoff BK3150 PROFIBUS Bus Coupler mounted on a DIN rail, showing its compact design and LED diagnostic indicators.
Beckhoff

Beckhoff BK3150

$206.99

Beckhoff BK7520 CANopen Bus Coupler mounted on a DIN rail
Beckhoff

Beckhoff BK7520

$473.00

Beckhoff KL5001 K-Bus RS232 Serial Interface Terminal for industrial automation with LED indicators
Beckhoff

Beckhoff KL5001

$806.00

Beckhoff KL6904 TwinSAFE Logic Terminal for industrial safety automation
Beckhoff

Beckhoff KL6904

$491.00

Beckhoff KL9187 24V DC Potential Distribution Terminal
Beckhoff

Beckhoff KL9187

$295.00

Beckhoff KL3052 2-channel analog input terminal for industrial automation
Beckhoff

Beckhoff KL3052

$277.00

Beckhoff KL3054 4-Channel Analog Input Terminal for 4-20mA current signals
Beckhoff

Beckhoff KL3054

$793.99

Beckhoff KL3064 4-Channel Analog Input Terminal for K-BUS Systems
Beckhoff

Beckhoff KL3064

$283.99

Beckhoff KL3022 Analog Input Terminal for industrial automation
Beckhoff

Beckhoff KL3022

$353.00

Beckhoff KL3062 2-channel analog input terminal for K-Bus system
Beckhoff

Beckhoff KL3062

$326.99

Beckhoff KL2622 2-Channel Relay Output Terminal with screwless terminals
Beckhoff

Beckhoff KL2622

$128.99

Beckhoff KL2531 1-channel digital output terminal for industrial automation
Beckhoff

Beckhoff KL2531

$449.99

Beckhoff KL1418 8-channel digital input terminal for industrial automation
Beckhoff

Beckhoff KL1418

$187.99

Beckhoff KL2612 2-channel digital output module, shown in an industrial setting
Beckhoff

Beckhoff KL2612

$72.99

Beckhoff BK1120 EtherCAT Bus Coupler for industrial automation
Beckhoff

Beckhoff BK1120

$502.00

Beckhoff BK2000 Lightbus Bus Coupler, a compact device for integrating industrial I/O on a DIN rail.
Beckhoff

Beckhoff BK2000

$378.00

Beckhoff KL6201 2-Channel PROFIBUS Master/Slave Terminal
Beckhoff

Beckhoff KL6201

$658.00

Beckhoff KL9100 Power End Terminal for DIN rail mounting
Beckhoff

Beckhoff KL9100

$123.99

Beckhoff KL3202 2-channel thermocouple input terminal for industrial temperature monitoring
Beckhoff

Beckhoff KL3202

$348.99

Beckhoff KL5151 1-channel RS232 serial interface terminal for K-Bus systems
Beckhoff

Beckhoff KL5151

$303.00

Beckhoff KL4004 4-Channel Analog Output Terminal for industrial automation with precision voltage control
Beckhoff

Beckhoff KL4004

$359.00

Beckhoff KL3314 4-channel analog input terminal
Beckhoff

Beckhoff KL3314

$292.99

Beckhoff KL4424 4-Channel Analog Output Terminal
Beckhoff

Beckhoff KL4424

$226.99

Beckhoff KL1904 4-Channel Digital Input Terminal for K-Bus I/O systems
Beckhoff

Beckhoff KL1904

$874.99

Beckhoff KL2541 1-channel Pulse-Width Modulation (PWM) output terminal for industrial automation
Beckhoff

Beckhoff KL2541

$285.99

Beckhoff KL2404 4-channel digital input terminal for industrial automation
Beckhoff

Beckhoff KL2404

$321.00

Beckhoff KL2114 4-channel digital output terminal for industrial automation
Beckhoff

Beckhoff KL2114

$246.00

Beckhoff KL1809 16-channel digital input terminal with LED indicators
Beckhoff

Beckhoff KL1809

$489.99

Beckhoff KL1408 8-channel digital input terminal for industrial automation
Beckhoff

Beckhoff KL1408

$66.99

Beckhoff KL1012 2-channel digital input terminal
Beckhoff

Beckhoff KL1012

$333.99

Beckhoff KL1104 4-channel digital input terminal with individual LED indicators
Beckhoff

Beckhoff KL1104

$69.00

Beckhoff KL1114 4-channel digital input terminal for industrial automation
Beckhoff

Beckhoff KL1114

$253.99

Beckhoff BK3120 Profibus Bus Coupler for industrial automation systems
Beckhoff

Beckhoff BK3120

$321.00

Beckhoff BK5200 EtherCAT Coupler for PROFIBUS DP networks
Beckhoff

Beckhoff BK5200

$704.00

Beckhoff BK3110 PROFIBUS DP Slave Bus Coupler for K-Bus terminals
Beckhoff

Beckhoff BK3110

$972.99

Beckhoff BK5250 bus coupler for PROFINET IO networks with diagnostic LEDs illuminated
Beckhoff

Beckhoff BK5250

$559.00

Beckhoff BK9053 PROFINET RT Bus Coupler mounted on a DIN rail with various Bus Terminals connected
Beckhoff

Beckhoff BK9053

$1,118.99

Beckhoff KL9505 Power Supply Terminal, illustrating its compact design and LED indicators
Beckhoff

Beckhoff KL9505

$347.99

Beckhoff KL9050 K-Bus End Terminal with Integrated Power Supply
Beckhoff

Beckhoff KL9050

$268.00

Beckhoff KL6021 serial interface terminal for industrial automation systems
Beckhoff

Beckhoff KL6021

$637.99

Beckhoff KL6031 serial communication bus terminal for industrial automation
Beckhoff

Beckhoff KL6031

$411.99

Beckhoff KL9010 Bus End Terminal for industrial automation systems
Beckhoff

Beckhoff KL9010

$70.99

Beckhoff KL9190 K-Bus Power Supply Terminal
Beckhoff

Beckhoff KL9190

$481.00

Beckhoff KL9110 24V DC Power Feed Terminal for Bus Terminal Systems
Beckhoff

Beckhoff KL9110

$357.00

Beckhoff KL5111 K-Bus 1-channel position interface terminal for industrial automation
Beckhoff

Beckhoff KL5111

$393.99

Beckhoff KL4032 2-channel analog output terminal for industrial automation
Beckhoff

Beckhoff KL4032

$247.99

Beckhoff KL4132 2-Channel Analog Output Terminal for industrial automation with K-bus integration
Beckhoff

Beckhoff KL4132

$882.99

Beckhoff KL4408 8-channel analog output terminal, integrated into a modular I/O system.
Beckhoff

Beckhoff KL4408

$627.99

Beckhoff KL5101 incremental encoder interface, front view with status LEDs
Beckhoff

Beckhoff KL5101

$325.00

Beckhoff KL3403 3-channel analog input terminal for K-Bus systems
Beckhoff

Beckhoff KL3403

$427.99

Beckhoff KL3312 2-Channel RTD Analog Input Terminal for DIN rail mounting
Beckhoff

Beckhoff KL3312

$701.00

Beckhoff KL4002 2-channel analog output terminal
Beckhoff

Beckhoff KL4002

$294.00

Beckhoff KL3351 1-channel analog input terminal block.
Beckhoff

Beckhoff KL3351

$647.99

Beckhoff KL3454 4-Channel RTD Input Bus Terminal
Beckhoff

Beckhoff KL3454

$284.99

Beckhoff

Beckhoff KL2552

$1,353.99

Beckhoff KL2602 2-channel digital output terminal
Beckhoff

Beckhoff KL2602

$180.99

Beckhoff KL2502 2-channel digital input terminal for industrial automation systems
Beckhoff

Beckhoff KL2502

$427.00

Beckhoff KL2134 4-channel digital output terminal for industrial automation systems
Beckhoff

Beckhoff KL2134

$141.99

Beckhoff KL2408 8-channel digital output terminal for industrial automation
Beckhoff

Beckhoff KL2408

$82.00

Beckhoff KL2542 2-channel DC motor control bus terminal
Beckhoff

Beckhoff KL2542

$496.99

Beckhoff BK9000 Ethernet TCP/IP Bus Coupler module mounted on a DIN rail
Beckhoff

Beckhoff BK9000

$223.99

Beckhoff BK9103 Modbus TCP/IP Bus Coupler for industrial automation
Beckhoff

Beckhoff BK9103

$1,322.00

Beckhoff BK9105 EtherNet/IP Bus Coupler module mounted on a DIN rail
Beckhoff

Beckhoff BK9105

$1,354.00

Beckhoff BK5220 PROFIBUS DP Bus Coupler front view
Beckhoff

Beckhoff BK5220

$441.00

Beckhoff BK7200 DeviceNet Bus Coupler for K-Bus terminals
Beckhoff

Beckhoff BK7200

$3,003.00

Beckhoff BK5120 PROFIBUS Bus Coupler for industrial automation
Beckhoff

Beckhoff BK5120

$222.00

Beckhoff BK8100 16-channel EtherCAT Bus Coupler for industrial networks
Beckhoff

Beckhoff BK8100

$729.99

Beckhoff BK5150 PROFINET Bus Coupler for industrial automation
Beckhoff

Beckhoff BK5150

$599.99

Beckhoff BK3100 CANopen Bus Coupler for industrial automation
Beckhoff

Beckhoff BK3100

$466.99

Beckhoff BC9000 Bus Terminal Controller connected to various I/O modules on a DIN rail
Beckhoff

Beckhoff BC9000

$4,214.99

Compact Beckhoff BK1250 EtherCAT Bus Coupler for industrial automation
Beckhoff

Beckhoff BK1250

$251.00

Overview

Bus Terminals (KL) — Beckhoff

Bus Terminals (KL) is a Beckhoff product family widely deployed across industrial automation, OEM machinery, and process plants. PalmPartsSolution stocks new, refurbished, and surplus Bus Terminals (KL) units with tested guarantees and same-day shipping.

What is Bus Terminals (KL)?

Bus Terminals (KL) groups together controllers, drives, I/O, motion, HMI, sensors, or power components engineered by Beckhoff to interoperate inside a single ecosystem. Engineers choose Bus Terminals (KL) for proven reliability, long lifecycle support, and compatibility with the broader Beckhoff portfolio.

Typical use cases

  • Discrete manufacturing lines
  • Process automation skids
  • Material handling and conveyors
  • Packaging and bottling
  • Machine tool retrofits
  • OEM panel builds

Machine down? We ship Bus Terminals (KL) parts the same day.

New, surplus, and refurbished Beckhoff inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

Common Applications

Industries and applications

IndustryTypical Bus Terminals (KL) role
Automotivebody shop, paint, powertrain assembly
Food & Beveragefilling, packaging, CIP/SIP
Pharmaclean utilities, granulation, tablet press
Oil & Gaswellhead control, metering skids
Water/Wastewaterpumping stations, SCADA RTU
Powerbalance of plant, auxiliary control
Material Handlingconveyors, sorters, AS/RS
OEM Machinerymachine tools, presses, robotics cells

Common Faults

Common faults on Bus Terminals (KL)

  • No power / blank display — check input voltage, internal fuse, power supply module
  • Communication loss — verify network cable, terminator, node address, baud rate
  • Overtemperature — clean fans/filters, confirm cabinet ventilation, derate at elevated ambient
  • Battery low — replace backup battery before retentive memory loss
  • Output fault / blown channel — inspect field wiring for shorts before swapping module
  • Firmware mismatch — align module firmware with controller and engineering software revisions
  • Watchdog trip — check scan time, task overlaps, faulted I/O modules

Troubleshooting Basics

Troubleshooting Bus Terminals (KL)

  1. Read fault codes — capture the exact code on the display, web page, or diagnostic buffer before power cycling
  2. Check power and grounding — measure input voltage at the terminals; confirm shield/ground bonding
  3. Isolate the failure — separate field wiring from the module; run with a known-good test load
  4. Swap with known-good — substitute the suspect part with a tested unit from the same catalog number and firmware band
  5. Document and replace — log the failure mode, then order an exact replacement or qualified equivalent from PalmPartsSolution

Replacement Options

Replacement options

PalmPartsSolution offers three replacement tracks for Bus Terminals (KL):

  1. Exact replacement (new or refurbished) — same catalog number, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or generation that drops in without code changes
  3. Engineered migration — newer-generation Beckhoff platform with documented conversion notes

Migration Recommendations

Migration paths

When Bus Terminals (KL) units enter classic or end-of-life status, Beckhoff typically provides a migration path to a current platform. PalmPartsSolution supports both ends of that journey: we keep legacy spares in stock to extend the life of running assets, and we supply current-generation replacements when you are ready to modernize.

Contact our team for a migration assessment that includes parts list, wiring delta, and software conversion estimate.

Compatibility

Compatibility

Bus Terminals (KL) modules are catalog-number specific. When ordering a replacement, match:

  • Full catalog/part number including suffix/series letter
  • Hardware revision when called out by the OEM
  • Firmware revision compatible with the host controller
  • Voltage, current, and I/O type
  • Communication protocol and network role

Cross-vendor substitution is possible in many cases but requires a documented migration path — see below.

Advantages

Advantages of Bus Terminals (KL)

  • Engineered reliability — Beckhoff MTBF figures backed by decades of field data
  • Ecosystem integration — native interoperability with other Beckhoff controllers, drives, and HMI
  • Global support — spare parts and documentation available worldwide
  • Long lifecycle — multi-year active sales plus extended classic/mature/obsolete phases
  • Certifications — UL, CE, ATEX, and industry-specific approvals on most catalog items
  • Programming continuity — projects port forward across generations with minimal rework

Series in this family

Frequently Ordered Together

Frequently ordered Bus Terminals (KL) parts

Popular catalog numbers ship same business day from stock. Use site search to locate your exact part number or contact us for quotes on full bills of material.

Compatible & related families

Why Buy From PALM Parts Solution

Fast Worldwide Shipping

DHL, FedEx, UPS — door-to-door in 1-4 business days.

Same-Day Shipping

In-stock orders placed before 3pm ET ship the same day.

Warehouse Stock

New, surplus and refurbished Beckhoff inventory ready to ship.

Machine-Down Support

24/7 emergency sourcing for production-critical failures.

Request a Quote

Custom pricing on volume, repair, and hard-to-find SKUs.

Automation Specialists

Talk to engineers, not call-center agents.

Product Sourcing

We hunt down discontinued and obsolete parts globally.

Obsolete Support

Lifecycle-end Beckhoff parts — sourced, tested, warrantied.

Frequently asked questions

What is the Bus Terminals (KL) family used for?

The Bus Terminals (KL) family from Beckhoff covers industrial automation applications such as machine control, process control, motor control and discrete I/O. Browse the series below to find the exact part number for your installation.

Are obsolete Bus Terminals (KL) parts still available?

Yes. We stock new surplus, refurbished and end-of-life Bus Terminals (KL) units from Beckhoff. If a part number is no longer in production we will identify a compatible replacement or repair your existing module.

How do I identify the correct Bus Terminals (KL) replacement?

Match the catalog number printed on the Bus Terminals (KL) label, then confirm voltage, I/O count, communication protocol and firmware revision. Our team can validate compatibility against your original Beckhoff configuration before shipment.

Do Bus Terminals (KL) parts come tested?

Every Bus Terminals (KL) unit we ship is functionally tested against Beckhoff OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.

Need a specific part?

Send us your part numbers — we'll respond the same business day with pricing and availability.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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