The Siemens 6ES7 194-4AD00-0AA0 is a PROFIBUS DP connecting module specifically designed for the SIMATIC ET 200PRO distributed I O system. This module provides the physical connection interface for PROFIBUS DP communication between the ET 200PRO station and a PROFIBUS DP master, typically a SIMATIC S7 CPU or other DP capable controller. The module integrates essential communication features including address setting switches, onboard bus termination resistors, and connection points for the PROFIBUS cable. It is a component of the IM 154-1 DP interface module assembly, which enables the ET 200PRO to operate as a DPV0 and DPV1 slave on a PROFIBUS DP network.
This connecting module provides a secure and reliable interface for PROFIBUS DP cabling to the ET 200PRO station. It includes integrated address setting capability for configuring the station PROFIBUS address, eliminating the need for separate addressing hardware. The module features an integrated bus terminating resistor that can be enabled or disabled as required by the station position within the PROFIBUS segment. The connection module supplies power to the ET 200PRO station from the 1L+ power source and distributes the 2L+ load voltage supply to the connected electronic modules. It also provides diagnostic capabilities including hardware interrupts and swapping interrupts to the PROFIBUS master.
Manufacturer: Siemens
Part Number: 6ES7 194-4AD00-0AA0
Product Type: PROFIBUS DP Connecting Module
Compatible System: SIMATIC ET 200PRO
Communication Protocol: PROFIBUS DP
Operation Modes: DPV0 slave, DPV1 slave
Maximum Address Space: 244 bytes input, 244 bytes output
Maximum Electronic Modules Supported: 16
Integrated Power Module: For 2L+ load voltage supply

The 6ES7 194-4AD00-0AA0 connects to the IM 154-1 DP interface module, which is installed on the ET 200PRO bus module at the factory. Together, they enable the ET 200PRO station to exchange process data with a PROFIBUS DP master over the PROFIBUS network. The connecting module provides the physical layer interface, including the PROFIBUS connector pins and the electrical isolation required for reliable communication in industrial environments. The integrated address setting allows the station PROFIBUS address to be configured using simple switches, while the bus termination resistor ensures proper signal integrity when the station is at the end of a PROFIBUS segment.
The connecting module mounts directly to the ET 200PRO station, typically as part of the IM 154-1 DP interface assembly. PROFIBUS cables are connected to the module using standard Siemens PROFIBUS connectors. Configuration of the station address is performed by setting the rotary switches on the module to the desired address between 1 and 125. For stations located at the physical end of a PROFIBUS segment, the integrated terminating resistor must be enabled to prevent signal reflections. Integration into a SIMATIC STEP 7 project is accomplished by installing the GSD file for the IM 154-1 DP interface and configuring the station in the hardware configuration editor.
This connecting module is used in ET 200PRO distributed I O installations where PROFIBUS DP communication is required. The ET 200PRO system is designed for applications demanding IP65, IP66, or IP67 protection, making it suitable for installation directly on machinery without an additional enclosure. Typical applications include automotive assembly lines, packaging machinery, material handling systems, and food and beverage processing equipment. The module enables these distributed stations to provide real time I O data to a central controller over a PROFIBUS DP network, reducing cabling costs and simplifying system architecture.



