Contact us to request a specific version.
6DD1681-0DH1 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 6DD1681-0DH1 is the Interface Module SB71 from Siemens' SIMATIC TDC / FM458-1DP family. It adapts eight digital DC signals from the SIMATIC bus system to plant-level signal voltages with galvanic isolation, supporting safe interfacing within distributed control architectures. The module mounts on standard rail hardware and is typically used in process control or automation applications to isolate and transmit binary signals reliably. 6DD1681-0DH1 serves as a bridge between control electronics and field-side power circuits.
Best Suited For
- SIMATIC TDC / FM458-1DP distributed I/O networks
- Isolated digital signal interfacing in process automation
- DIN-rail mounted control cabinet installations
- Applications requiring electrical isolation between control and field sides