Wiring Diagram for Safety Beams (for CE compliance) CLOSING BEAM OPENING BEAM - 12V/24V +12V/24V +12V/24V IRB RECEIVER IRB RECEIVER - 12V/24V COM NC COM NC NO NO Page 48 12V or 24V IRB Tx 12V or 24V IRB Tx Figure 15. Wiring diagram for safeties