Before installation, select a PLC that meets your system's requirements. Verify output voltage with a multimeter before connecting to the PLC. In this article, we will show how to configure distributed IO devices in our PLC project using Siemens ET200S module using Tia portal. All of the people involved in installing the controller should receive these I/O. This guide focuses on practical installation considerations for 1xN PLC splitters, with an emphasis on field reliability and repeatable deployment. Understanding Where 1xN PLC Splitters Are Installed 📍 1xN PLC splitters may be installed in: The installation environment determines: Understanding. Let the new PLC do what it is suppose to do. I always go for hardwiring between systems for simple communication like one system telling the other that it is ready to receive a new product. Use these guidelines as a tool for helping avoid potential electromagnetic interference (emi) and transient emi that could cause problems such as “adapter faults, rack faults, communication faults,” etc. These guidelines are not intended to supersede local electrical codes. To insert a PLC box, proceed as follows: Select the menu item Insert > Box / connection point / mounting panel > PLC box. Draw the PLC box as a rectangle.