Further information for Phoenix Contact Phoenix 1105014 expansion module - PSR-M-EM5-TTL2-SC
Safe extension module for monitoring standstill, speed, direction of rotation, monitoring of 2 axes, NPN/PNP proximity switch, 2x TTL encoder, with voltage monitoring (5 V), Cat. 4/PL e, SIL 3, pluggable screw terminal, TBUS connector included