Siemens SIMOTION TM 121C Technology Module Safety Unit
Siemens SIMOTION TM 121C Safety Unit with 32 F-DI, 8 F-DQ, 128KB memory.
The Siemens SIMOTION Technology Module TM 121C, part number 6AU1121-3CA00-0AA0, is a safety-oriented module designed for the SIMOTION motion control system. This module integrates 32 safety digital inputs (F-DI) and 8 safety digital outputs (F-DQ) operating at 24 V DC. It also includes 8 standard digital outputs (24 V DC/0.5 A) and 2 counter inputs (500 Hz). The module comes with a 128 KB memory card and meets requirements of machinery directive 2006/42/EC, although it is noted for older systems with continuation permits only.
This technology module is ideal for safety-critical applications in machine building and automation, where precise motion control and integrated safety functions are paramount. It enables the implementation of advanced safety concepts, ensuring operational safety and compliance with stringent industry standards. The counter inputs offer additional functionality for motion synchronization or positioning tasks.
Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Siemens SIMOTION TM 121C. Secure essential components for your safety-critical automation systems from us and ensure operational reliability and cost-effectiveness.
| Type | Technology Module (Safety Unit) |
| Series | SIMOTION TM 121C |
| Part Number | 6AU1121-3CA00-0AA0 |
| Safety Digital Inputs | 32 (F-DI), 24 V DC |
| Safety Digital Outputs | 8 (F-DQ), 24 V DC /2 A |
| Standard Digital Outputs | 8, 24 V DC/0.5 A |
| Counter Inputs | 2 (500 Hz) |
| Memory Card | 128 KB |
| Compliance | Machinery directive 2006/42/EC (for older systems) |