Commissioning; Commissioning And Maintenance Instructions; Proof Test Interval/Usage Duration; Figure 34: Example Of A Serial Number - WAGO 753-668/000-004 Manual
4fai 0/4-20 ma diff profisafe, fail-safe 4-channel analog input, 0/4-20 ma, differential inputs, profisafe for wago-i/o-system 750 series