Product Overview

The Siemens 6DD1688-1AC1 is a high-performance communication expansion component specifically developed for the SIMADYN D control system. Designated as the SS31 submodule, this device serves as an essential bridge for EIA-485 (RS-485) serial data exchange. It is engineered to handle the rigorous computational demands of high-dynamic drive control and complex closed-loop technological tasks. By integrating this submodule into a SIMADYN D multi-processor environment, engineers can achieve rapid, deterministic communication across industrial networks, ensuring that arithmetic and control tasks are executed with millisecond precision in real-time.

Architectural Specs and Interface Parameters

This interface unit is designed for modular integration into larger processing boards, providing specialized communication ports while maintaining a low-profile hardware footprint.

• Interface Standard: EIA-485 (RS-485) serial protocol.

• System Integration: Submodule design for direct mounting on SIMADYN D carrier modules.

• Data Transmission: Supports high-speed asynchronous or synchronous serial communication.

• Isolation: Built-in galvanic separation to protect the central processor from field-side electrical interference.

• Configuration Requirement: Programmed via SIMATIC S7 engineering tools with the SIMADYN D D7-SYS add-on.

• Physical Weight: 0.95 kg (Shipping weight).

• Module Dimensions: 2.5 cm x 5.1 cm x 83.8 cm (Long-profile architecture for specialized rack mounting).

• Manufacturing Origin: Germany.

• HS Tariff Code: 8537101190.

Engineering Applications and Control Scenarios

The 6DD1688-1AC1 is the preferred interface solution for industrial environments requiring extreme control dynamics and high-bandwidth serial data flow.

• Rolling Mill Coordination: Managing the synchronized speeds and tension control of multi-motor drives in steel and aluminum processing lines.

• Complex Hydraulic Actuation: Facilitating fast serial feedback loops for high-precision hydraulic positioning and force control systems.

• Multi-Motor Drive Systems: Linking multiple drive units to a centralized SIMADYN D processor for coordinated motion in paper or textile manufacturing.

• High-Speed Data Acquisition: Serving as the serial gateway for transmitting real-time arithmetic data to HMI or supervisory diagnostic systems.

• Legacy System Expansion: Providing a reliable communication pathway for maintaining and upgrading established SIMADYN D automation infrastructures in power generation and heavy industry.