Siemens A1902 fault code meaning

Siemens / A1902

Series: V90

PROFIdrive: Incorrect setting for isochronous run

servo drive

Meaning: Message category: Parameter setting/configuration/commissioning error (18) Incorrect isochronous synchronization parameter settings. Match the bus parameter settings Tdp, Ti, and To. Reduce Tdx by reducing the number of bus nodes or shortening the telegrams.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P389