750-404 [Up/Down Counter /100 kHz] • 13VariationsWAGO-I/O-SYSTEM 750I/O Modules2.1.2 750-404 [Up/Down Counter /100 kHz]Up/Down Counter, DC 24 V, 100 kHz2.1.2.1 VariationsItem-No. Designation Description750-404 Up/Down Counter /100 kHzUp/Down Counter, DC 24 V, 100 kHz750-404/000-002 Peak Time Counter Peak Time Counter, DC 24 V, 10 kHz750-404/000-004 Up / Down Counter /Switch OutputUp/Down Counter, 24 V, 100kHz,Switch Output2.1.2.2 View+ +- -A1 A213 14CDBAPower jumper contactsData contactsDO 2Status24V0VDO 2DO 1StatusDO 1U/D750-404U/DU/D CLOCKCLOCKCLKFig. 2.1.2-1: View g040400e2.1.2.3 DescriptionThe Up/Down counter 750-404 and the variation 750-404/000-004 is capableof counting binary pulses of DC 24 V at the input CLOCK and then transmitsthe data to the fieldbus.The counter module 750-404/000-002 begins processing with pulses at theCLOCK input and counts the pulses in a special time span. The time span isgiven as 10 s.The changes from 0 V to 24 V are countedThe counter counts up, if the input U/D is set at 24 V. With an open circuitinput or 0 V the counter counts backwards.