Name: CU313A Compact Motion Control Unit | Qiming Automation
Brand: other
Price: 60000.00 CNY
Availability: InStock

Description

The CU313A is a compact motion control unit, serving as the central coordinator for up to 8 servo or vector drives in distributed automation systems. It fits into standard 35mm DIN rail enclosures, integrating with drives via a high-speed industrial Ethernet network (PROFINET IO) and communicating with PLCs or HMIs through the same network infrastructure.

CU313A

In terms of system interaction, the CU313A processes motion commands from a higher-level controller (such as a Siemens S7 PLC) and converts them into precise drive setpoints. It supports a range of motion profiles, including point-to-point positioning, linear and circular interpolation, and electronic gearing—enabling complex sequences like synchronized conveyor tracking or contouring in machine tools. A key feature is its 1ms update cycle for drive control, ensuring rapid response to load changes or position errors. It also includes built-in safety functions (SIL 2/PL d), such as safe torque off (STO), which can quickly disable drives in emergency situations without compromising system integrity. The CU313A integrates with drive families like the SINAMICS S120, using parameterization tools to simplify setup and ensure compatibility across components.

CU313A

Technical specifications:
Model NumberCU313A
Type Compact Motion Control Unit
Supported Drives Up to 8 servo/vector drives
Communication PROFINET IO (IRT for real-time)
Motion Profiles Point-to-point, interpolation, gearing
Update Cycle 1ms for drive control
Safety Functions STO (SIL 2/PL d)
Input Voltage 24V DC ±20%
Operating Temp Range 0°C to +60°C
Mounting Style 35mm DIN Rail
Dimensions 100mm x 125mm x 75mm
Weight 350g
Programming Interface TIA Portal with S7 Technology
Compliance CE, UL, RoHS
Typical Power Draw 15W

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CU313A

Main features and advantages:

Engineered for precision and ease of use, the CU313A delivers tangible benefits in real-world operation. Its ability to coordinate up to 8 axes with 1ms update cycles ensures tight synchronization, reducing product waste in applications like packaging—where misaligned labels or fillers can ruin entire batches. The support for standard motion profiles eliminates the need for custom programming, cutting engineering time by up to 30% compared to proprietary control solutions.

TheCU313A also enhances system flexibility. Its PROFINET IO interface allows for easy integration into existing industrial networks, enabling seamless data exchange with PLCs, HMIs, and MES systems—critical for traceability and process optimization. For maintenance teams, built-in diagnostics (accessible via TIA Portal) provide real-time insights into drive performance, position errors, and network health, allowing proactive troubleshooting before issues escalate into failures. Over time, this reliability lowers operational costs by minimizing downtime and reducing rework.

CU313A

Application areas:

The CU313Aexcels in industries requiring precise motion coordination. In packaging, it synchronizes multi-axis filling lines, ensuring bottles are filled, capped, and labeled with sub-millimeter accuracy—even at speeds of 200+ units per minute. In material handling, it controls robotic arms and conveyors in logistics centers, enabling smooth product transfer between stations and reducing damage to fragile items. In machine tools, it coordinates spindle and axis movements in CNC lathes or mills, ensuring tight tolerances (±0.001mm) in precision-machined parts for aerospace or medical applications.

CU313A

Related products:

CU310A – Entry-level model for up to 4 axes, ideal for simple point-to-point motion applications.

CU320-2 DP – Higher-capacity unit for up to 12 axes, with PROFIBUS DP support for legacy systems.

CU320-2 PN – Advanced version with support for 16 axes and PROFINET IRT for ultra-high-speed synchronization.

CU313A-F – Variant with enhanced safety functions (SIL 3/PL e) for applications requiring stricter risk mitigation.

CU250S-2 – Drive-integrated control unit for single-axis applications, offering a compact alternative to the CU313A.

CU313A-T – Temperature-hardened version (-20°C to +70°C) for use in unconditioned factory environments.

CU313A-P – Version with extended I/O for direct connection to sensors/actuators without a separate PLC.

Installation and maintenance:

Before installing the CU313A, verify that the DIN rail is securely mounted and can support the unit’s weight (350g) plus any adjacent components. Check that the PROFINET network infrastructure (switches, cables) supports IRT (isochronous real-time) communication to achieve the 1ms update cycle. Ensure the 24V DC power supply provides stable voltage (20.4V to 28.8V) and sufficient current (minimum 1A) to avoid voltage drops during peak operation. Update drive firmware to the latest version to ensure compatibility with the CU313A’s control algorithms.

For ongoing maintenance, monitor the front-panel status LEDs: a steady green light indicates normal operation, while flashing red signals a communication or drive fault. Review motion control logs weekly to check for position errors exceeding acceptable thresholds (typically ±0.1mm). Inspect PROFINET connectors quarterly for dust or corrosion, cleaning with compressed air if needed. Calibrate encoder offsets annually using TIA Portal to maintain positioning accuracy, especially after mechanical adjustments to drives or axes. Test safety functions (STO) semi-annually to ensure compliance with safety standards.

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