Machinery Protection Devices - British Automation & Robot ...
Machinery Protection Devices - British Automation & Robot ...
Machinery Protection Devices - British Automation & Robot ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
R2E-StopY1Y2Y139135Reset<strong>Machinery</strong> <strong>Protection</strong><strong>Devices</strong>Y2R1Fig. 41: The normally closed contacts of the final control elements R1 and R2 aremonitored by the feedback loop Y1/Y2