Siemens 6DD1688-1AB0 Interface Submodule

Siemens 

Siemens 6DD1688-1AB0 Interface Submodule.

Product Model:6DD1688-1AB0

Type:Interface Submodule

Manufacturer:Siemens 

Power Supply:+5 V DC

Current Draw:80 mA

Interface:1 × RS-485

Baud Rate:300 – 19 200 bit/s

Isolation:1000 V DC port-to-ground

Operating Temperature:0 … +60 °C (rack inlet air)

Storage Temperature:–40 … +85 °C

Humidity:5 – 95 % RH non-condensing

The Siemens 6DD1688-1AB0 Interface Submodule is a SIMADYN D communication module (SS2) that provides an 

RS‑232 (V.24) serial interface for connection to control or diagnostic equipment. Designed for integration into the 

SIMADYN D distributed I/O system, this submodule enables reliable data exchange via its 25‑pin connector.

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