Siemens 878 fault code meaning
Siemens / 878
Series: SIMODRIVE 611U
Input I0.x not set as equivalent zero pulse
servo drive
Meaning: When entering an external signal as equivalent zero mark (P0174 = 2) input I0.x must be assigned the function ”equivalent zero mark” (Fct. No.: 79). if a direct measuring system is used, input I0.B must be assigned the ”equivalent zero mark” function (Fct. No.: 79).
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3