Bosch SM 10/20-TA Servo Module SM Series

Bosch SM 10/20-TA Servo Module SM Series: Replacement and Sourcing Information

The Bosch SM 10/20-TA 055128-111 is a high-performance servo module engineered for the SM Series drive platform, designed to deliver precise motor control while minimizing operating load across demanding industrial production environments. As factories face increasing pressure to reduce operational costs and carbon footprints, the SM 10/20-TA stands out as a critical component in building industrial automation systems — from CNC machining centers to multi-axis coordinated motion systems.

This servo module supports continuous current output of 10 A with a peak rating of 20 A, making it well-suited for medium-duty servo axes where dynamic response and energy efficiency must be balanced simultaneously. Its compatibility with Bosch CC220 and CC300 CNC control systems enables seamless integration into existing production lines without requiring costly infrastructure overhauls.

Product Specification Table

System Compatibility and Application

In a fully optimized production cell, the SM 10/20-TA 055128-111 does not operate in isolation — it functions as part of a tightly integrated drive and control ecosystem. At the control layer, the Bosch CC220 CNC controller and CC300 CNC controller issue interpolated motion commands that the SM 10/20-TA executes with high fidelity, ensuring that servo axes consume only the energy required for each motion segment rather than drawing constant peak power.

The SM Series modular architecture allows the SM 10/20-TA to share a common DC bus with companion modules such as the Bosch SM 6/12-TA and SM 15/30-TA, enabling regenerative energy exchange between axes during deceleration phases. When one axis brakes, the recovered energy is redistributed to accelerating axes through the shared bus — a mechanism that can reduce net operating load by Actual operating results depend on the installed system, load profile, and commissioning parameters.

Power supply and bus conditioning are managed by the Bosch PS 116 power supply module, which regulates the DC bus voltage and provides active front-end rectification to reduce harmonic distortion on the facility’s electrical network. Upstream, a Bosch UM 1.1 mains filter module suppresses conducted EMI, protecting both the servo system and adjacent equipment from interference-induced energy losses.

For real-time condition monitoring, the SM 10/20-TA integrates with the Bosch BTV 04 operator panel and diagnostic interfaces on the CC300, allowing production engineers to track axis-level power consumption, identify inefficient motion profiles, and fine-tune acceleration ramps to reduce peak demand charges. Complementary I/O expansion via Bosch IM 24 I/O modules enables sensor feedback loops that trigger operational-efficiency standby modes during machine idle periods.

Communication between the SM 10/20-TA and the CNC controller is handled through the proprietary Bosch SERCOS interface, a fiber-optic real-time fieldbus that delivers deterministic cycle times as low as 250 µs. This low-latency communication eliminates the unplanned downtime associated with motion overshoot and correction cycles that are common in systems with higher communication jitter.

Maintenance and Replacement Notes

On a typical CNC machining center running three-shift operations, unoptimized servo drives account for a disproportionate share of total facility operating load — particularly during rapid traverse moves, tool changes, and spindle orientation cycles where torque demand fluctuates sharply. The SM 10/20-TA addresses this through its high-bandwidth current control loop, which responds to load changes within microseconds and prevents the energy-wasting torque hunting that occurs in slower drive systems.

In practical terms, a machining center equipped with SM 10/20-TA modules on its X, Y, and Z axes can achieve measurable reductions in cycle time energy cost by optimizing the velocity profiles programmed in the CC220 or CC300 controller. By shortening the time spent at peak torque demand and extending the constant-velocity phase of each move, the drive’s energy draw per part produced decreases — directly improving the facility’s energy intensity metric (kWh per unit output).

Predictive maintenance is another dimension where the SM 10/20-TA contributes to energy efficiency. The module’s built-in diagnostic registers continuously log thermal load, current ripple, and bus voltage deviation. When these parameters trend toward fault thresholds, maintenance teams can schedule interventions during planned downtime rather than responding to unplanned failures — which typically consume 3–5× more energy per recovery cycle due to emergency restart procedures, scrap rework, and extended idle periods while awaiting parts.

All units supplied by ZYPLC undergo full functional testing under load conditions prior to shipment, verifying that current regulation accuracy, encoder feedback integrity, and thermal management performance meet OEM specifications. Each SM 10/20-TA 055128-111 is backed by a warranty terms confirmed during quotation, with availability confirmed by RFQ availability enabling rapid deployment to minimize production downtime. Our inventory is sourced through verified industrial supply channels, and each unit is documented with test records available upon request.

Product Sourcing FAQ

Q1: How does the SM 10/20-TA 055128-111 contribute to measurable operational stability on a production line?
The SM 10/20-TA reduces unplanned downtime through precise torque control, regenerative energy sharing on the DC bus with companion SM Series modules, and high-bandwidth current regulation that eliminates motion overshoot. In multi-axis configurations with the CC220 or CC300 controller, facilities typically observe a Actual operating results depend on the installed system, load profile, and commissioning parameters.

Q2: Is the SM 10/20-TA 055128-111 compatible with my existing Bosch CNC system?
The SM 10/20-TA is designed for direct integration with Bosch CC220 and CC300 CNC controllers via the SERCOS fiber-optic interface. It is mechanically and electrically compatible with the SM Series modular drive rack, allowing it to replace a failed module without rewiring or reconfiguring the control system. If your system uses a different Bosch controller generation, contact our technical team to confirm compatibility before ordering.

Q3: What is the recommended replacement and testing process for this servo module?
Each SM 10/20-TA 055128-111 supplied by ZYPLC has been tested under operational load conditions, with current output, encoder interface, and thermal performance verified against OEM specifications. Upon receipt, we recommend a bench power-up test using the existing CC220 or CC300 controller in a safe, unloaded state before reinstalling on the machine axis. Full axis commissioning should follow the Bosch SM Series startup procedure outlined in the drive documentation.

Q4: What does the warranty terms confirmed during quotation cover, and how is it supported?
The warranty terms confirmed during quotation covers functional failure under normal operating conditions, including current regulation faults, encoder interface failures, and thermal protection circuit malfunctions. It does not cover damage resulting from incorrect installation, overvoltage events, or operation outside rated parameters. Warranty claims are processed directly through ZYPLC, with replacement units shipped from stock to minimize your production downtime. Contact our team at plc.sales@zyplc.com or +86 19859288691 to initiate a warranty claim.