Quick Takeaways
- KEB America announced that its S6 servo drives and F6 variable frequency drives can now be specified as a One Cable Technology system solution.
- The system sends motor power and encoder signals through a single motor cable instead of separate power and feedback cables.
- The package pairs selected S6 and F6 drives with TA and Dynamic Line servo motors plus matching OCT motor cables.
- Machine builders evaluating multi-axis equipment should compare cable length, connector style, encoder compatibility, cabinet space and service access before changing designs.
Industry Update
KEB America announced on August 19, 2026 that its S6 servo drives and F6 variable frequency drives are now available as a One Cable Technology system solution. The company describes the update as a drive, inverter, motor, encoder and cable package intended to simplify the connection between drive and motor.
The system uses one motor cable to carry both power and encoder signals, removing the separate encoder cable normally used in many servo installations. KEB says the package includes S6 servo drives from 0.75 kW to 7.5 kW and F6 VFDs from 2.2 kW to 37 kW when equipped with the specified control and safety options.
On the motor side, KEB lists TA series servo motors with M23 and M40 connectors and EN12 multiturn encoders, plus DL3 servo motors with M15 and M23 connectors. OCT motor cables are listed in 1.5 mm2, 2.5 mm2 and 4.0 mm2 cross sections, with matching M15, M23 and M40 motor connectors.
The announcement is most relevant to OEMs and panel builders working with compact machines, drag chains, multi-axis motion systems, robotics, packaging equipment and material handling machinery where cable routing and control cabinet space can affect installation time and maintenance access.
Buyer Considerations
For motor buyers, the practical question is not only whether one-cable wiring reduces parts count. Buyers should confirm that the selected drive frame, motor series, encoder, connector and cable cross section match the load profile, duty cycle, cable length, installation environment and safety architecture of the machine.
One-cable systems can simplify purchasing when the drive, motor, encoder and cable are sourced as a tested package. That can reduce interface risk for OEM teams, but it also means engineering teams should review spare cable availability, local support, replacement lead times and whether existing cabinet layouts can accept the specified drive and safety module combinations.
Machine builders comparing servo drive packages should also check bend radius, drag-chain requirements, electrical noise controls, grounding practice and service documentation. These details can matter as much as rated motor power when equipment runs in packaging, robotics, plastics or material handling applications.
Frequently Asked Questions
What changed in KEB America's drive and motor offering?
KEB America says selected S6 servo drives and F6 variable frequency drives are now available as a One Cable Technology system solution with compatible servo motors and OCT motor cables.
Does one-cable wiring replace every servo cable in a machine?
The announcement refers to combining motor power and encoder signals into one motor cable for the supported KEB package. Buyers still need to verify all other machine wiring, safety and communication requirements for the specific installation.
Which buyers should pay attention to this update?
OEMs, panel builders and automation teams designing compact or multi-axis machines may benefit most, especially when cabinet space, drag-chain routing, connector count and service access are recurring design constraints.
What should engineers verify before specifying the system?
Engineers should confirm drive size, motor series, encoder type, connector format, cable length, cable cross section, safety module requirements, environmental ratings and replacement-part availability.
Source
This article summarizes publicly available source information. Confirm technical details, pricing and compliance requirements with the original source before making purchasing decisions.
Source date: 2026-08-21