638 Conflict with part 5 transfer time
Created: 17 Apr 2009
Part: Part 10 (2005)
Category: Issue for edition 2 of this part
In IEC 61850-5, section 13.4, transfer time = ta + tb + tc. In this section, ta doesn't seem to include "input processing time" (input signal conditioning - e.g., debouncing, sampling, etc.). Also, tc doesn't seem to include "output processing time" (time required for output signal activation - e.g., contact delays, I/O scan rate, etc.).
The standard should clarify if input/output processing times are included or not in the transfer time.
Tissue DB v. 18.104.22.168