User`s guide

Page 19

Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18)

4.1.4. Diagram Describing Relationship Between Scan Period & Diagnostic

Scan

This example demonstrates the relationship between the diagnostic scans, scan periods, the current

scan period, the previous scan period.

This example: a scan period value of 10 and 25 valves on the network. This means that all the valves

on the network will be scanned 10 times before the scan period is over … and before the next

diagnostic scan is performed.

Current

Scan Period

(so far, 5 network scans

completed)

Scan Period

(all 10 network scans of 25

valves completed)

Current time History

Individual

network scans

Diagnostic

scan

Diagnostic

scan