IDEC MICROSmart FC6A Series - Page 192

2: P RODUCT S PECIFICATIONS
2-156 FC6A S ERIES MICROS MART U SER ’ S M ANUAL FC9Y-B1722
1. I/O data refresh time of node 0
I/O data refresh time = 6 × 0.34 ms + 2 × 0.04 ms + 1 × 0.17 ms + 1 × 0.34 ms + 1 × 1.09 ms
+ 11 × 0.04 ms + 13 × 0.17 ms + 6 × 0.34 ms + scan time
= 8.41 ms + scan time
2. I/O data refresh time of node 1 and subsequent nodes
I/O data refresh time = 8.41 ms + { 5 × 1.2 ms + 19 × 0.3 ms + 11 × 0.04 ms + 13 × 0.17 ms + 6 × 0.34 ms + 5 ms } ÷ 2
+ scan time
= 19.11 ms + scan time