Siemens SIPROTEC 5 Series Hardware Description page 94

Electronic Modules
3.2 Input and Output Modules of the Modular Devices
NOTE
i
i
x corresponds to the slot in the 19-inch rack.
Terminal and Connection Diagram
NOTE
i
i
The polarities of the voltages at the binary inputs must not be reversed!
[cdio230x-030713-01.tif, 1, en_US]
Figure 3-53
94
IO230 – Terminal Diagram
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017