Siemens SIPROTEC 5 Series Hardware Description page 79

Terminal and Connection Diagram
For the binary inputs and outputs, the x corresponds to the slot in the 19-inch rack.
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Figure 3-38
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017
IO209 – Terminal Diagram
3.2 Input and Output Modules of the Modular Devices
Electronic Modules
79