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Product Name: SIMATIC TDC SU12 Converter Module
Brand Name: Siemens
Model Number: 6DD1681-0AJ1
Place of Origin: Germany
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Minimum Order Quantity |
1 Piece |
Price |
Contact for Jim |
Packaging Details |
Original new Factory Sealed |
Delivery Time |
3–7 Days |
Payment Terms |
T/T |
Shipping Method |
DHL / FedEx / UPS / TNT |
Supply Ability |
In stock |
| Product Name | Siemens 6DD1681-0AJ1 SIMATIC TDC SU12 Converter Module |
| Manufacturer | Siemens |
| Product Type | SIMATIC TDC SU12 Converter Module |
| Part Number | 6DD1681-0AJ1 |
| Weight | 0.2kg |
| Estimated shipping dimensions | 4.5x15.5x12.5cm |
| Place of shipment | Xiamen, China |
| Country of origin | Germany |
| Signal Conversion | 1:1 signal connection (except protected terminals) |
| System-side Connector | 1 × 10-pole ribbon cable connector (X1) |
| Plant-side Terminal Block | X2 |
| Terminal Type | Spring-loaded terminals |
| Total Number of Plant-side Terminals | 16 |
| Signal Terminals | 10 spring-loaded terminals for analog or digital signals |
| Unused Terminals | 6 spring-loaded terminals |
| Supported Signal Types | Analog signals, Digital signals |
| Fused Signal Lines | Pins 1–8 protected by 0.5 A slow-blow fuse |
| Fuse Internal Resistance | 0.25 Ω |
| Digital Output Protection | Schottky diode (Vishay BAT46) on Pin 10 for 24 V supply protection |
| Short-circuit Protection | PTC resistor on Pin 9 for 24 V digital output supply |
| PTC Internal Resistance | 0.9 Ω |
| Minimum Conductor Cross-section | 0.2 mm² |
| Maximum Conductor Cross-section | 2.5 mm² |
| Plant-side Wiring Method | Spring-loaded terminal connection |
| Interface Type | Passive interface module (no signal conditioning) |
| Protection Features | Fuse protection, Schottky diode protection, PTC short-circuit protection |
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Jim Pei |
The Siemens 6DD1681-0AJ1 SIMATIC TDC SU12 Converter Module is a passive signal interface and converter module designed for SIMATIC TDC automation systems. It provides a 1:1 signal connection between system components and field wiring, featuring a 10-pole ribbon cable connector, spring-loaded terminal connections, and integrated protection for reliable signal transmission. Supporting both analog and digital signals, the module incorporates fuse protection, Schottky diode protection, and PTC short-circuit protection to enhance system safety and operational reliability. Designed for seamless integration with SIMATIC TDC platforms, the SU12 simplifies field wiring and signal distribution, making it an ideal solution for industrial automation, process control, and drive control applications.
Designed for SIMATIC TDC Systems
Provides a dedicated interface between SIMATIC TDC modules and field wiring for reliable signal transmission.
Passive 1:1 Signal Conversion
Enables direct signal routing for both analog and digital signals without signal conditioning.
Flexible Terminal Connections
Features a 10-pole ribbon cable connector and spring-loaded terminal block for quick, secure wiring.
Supports Analog and Digital Signals
Accommodates multiple signal types, making the module suitable for a wide range of automation applications.
Integrated Fuse Protection
Protects signal lines with 0.5 A slow-blow fuses, helping safeguard connected equipment.
Enhanced Circuit Protection
Includes Schottky diode protection for the 24 V supply and PTC-based short-circuit protection for improved system reliability.
Simplified Installation and Maintenance
Spring-loaded terminals allow fast wiring while reducing installation time and maintenance effort.
Ideal for Industrial Automation
Suitable for process automation, drive control, signal distribution, and industrial control systems requiring dependable interface connectivity.
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