Siemens 6SL3246-0BA22-1PA0 V4.7 SINAMICS G120 CU250S-2 DP Control Unit

Description

The Siemens 6SL3246-0BA22-1PA0 is a SINAMICS G120 CU250S-2 DP Control Unit with an integrated PROFIBUS interface for use with compatible SINAMICS G120 Power Modules. It supports vector control and Basic Positioner (EPOS) through the Extended Function License, and provides 15 digital inputs (including 3 fail-safe inputs), 2 analog inputs, 2 analog outputs, configurable digital and relay outputs for flexible machine integration. The control unit includes Safety Integrated functions such as STO, SBC, and SS1, with additional safety functions available through the Extended Safety License. It also supports D-CLiQ, HTL, TTL, SSI, and resolver encoder interfaces, and features USB and SD/MMC interfaces for commissioning and parameter management. The unit is designed with an IP20 enclosure and is intended for installation in compatible SINAMICS G120 drive systems.

Parameter

Model: 6SL3246-0BA22-1PA0 V4.7 SINAMICS G120 CU250S-2 DP Control Unit
Total Digital Inputs: 15 Onboard Standard Inputs (11 Fixed isolated, 4 Configurable)
Fail-Safe Inputs (F-DI): 3 (Utilizes 2x Standard DI per fail-safe loop)
Relay Outputs: 3 Relay Outputs (Includes 1 F-DO capability)
Relay Contact Rating: DC 30 V, 1 A (Resistive load)
Analog Outputs (AO): 2 Non-isolated Outputs
Operating Temperature: -10 to 50 °C (14 to 122 °F)
Storage Temperature: -40 to 70 °C (-40 to 158 °F)
Relative Humidity: Max. 95% (Non-condensing)

Frequently asked questions

Q:What is the Siemens 6SL3246-0BA22-1PA0 V4.7?
A:The 6SL3246-0BA22-1PA0 is a SINAMICS G120 CU250S-2 DP Control Unit with an integrated PROFIBUS DP interface for use with compatible SINAMICS G120 Power Modules. It supports vector control and Basic Positioner (EPOS) through the Extended Function License.

Q:What Safety Integrated functions are available?
A:The standard Safety Integrated functions include Safe Torque Off (STO), Safe Brake Control (SBC), and Safe Stop 1 (SS1). Additional safety functions are available with the Extended Safety License.

Q:Does the 6SL3246-0BA22-1PA0 include USB and memory card interfaces?
A:Yes. The control unit includes a USB interface and an SD/MMC card slot for commissioning, parameter storage, and service functions.

Application areas

The Siemens 6SL3246-0BA22-1PA0 V4.7 primary application areas include:

• High-Precision Winding & Unwinding Equipment: Ideal for steel strips, copper foils, paper, films, and wire/cable production lines. Leveraging the dual-encoder closed-loop feedback and rich onboard I/Os of the CU250S-2, it achieves seamless, smooth online switching between speed and torque control modes.
• Industrial Cranes & Multi-Function Hoists: Firmware V4.7 achieves high-level closed-loop vector control through the dedicated Resolver interface. This ensures the hoist axis outputs 100% rated torque at zero speed, providing brilliant dynamic response and completely eliminating load sagging when lifting heavy objects.
• Automated Indexing Tables & Tool Changers: Applied in assembly lines or machining equipment for high-frequency rapid start-stop operations, ensuring highly accurate angular or circular positioning with zero overshoot.

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