Kaye RF ValProbe - Page 75

Appendix B. Using the OPC Server and Client
68 RF ValProbe® User’s Manual
B.5.2 Optimizing Network Performance (cont.)
• The Frame Size represents the number of time slots designated for each monitoring
interval. Each slot has a time of 31.25 msec; thus, for example, the default frame size
of 150 equals 4.7 sec. Users can select frame sizes from 50 to 450 slots.The
recommended frame size is three times the number of sensors monitored. For
successful data transmissions, Kaye recommends that the monitoring interval
(specified in the Device window on page 63) be at least three times longer than the
frame size. (The default monitoring interval of 15 seconds is slightly more than three
times the default frame size of 150 slots.) Table 2 below shows the relationship
between the monitoring interval, the number of sensors and the frame size.
Table 2: Maximum Monitoring Rate vs. Number of Sensors
Monitoring Rate (sec)
Maximum Number of
Sensors Frame Size (Slots)
10 15
30
50
100
15 15
30
45
50
100
150
30 and up 15
30
45
65
100
100
50
100
150
200
300
450
(Super power saving mode for
monitoring rate 45 sec and up)