��-Processor controlled amplifier for 3 sets of photoelectric sensors, type MOFTR, MKFTR, MIFTR or MHFTR. Utilising an 11-pin circular plug for easy connection. Relay outputs (NO). Self-diagnostics for system test. Protected against reverse wiring or cross talk from adjecent photoelectrics. Multi-voltage power supply. Sensitivity is individually adjustable for each set of photoelectrics.