Determines the number of samples that can be stored in the cache of trends with sample period >= 20 seconds and < 50 seconds
Allowable Values: any integer between 1 and 65536 inclusive (trend samples)
Default Value: 252
If your sample period is < 20 seconds or >= 50 seconds, CitectSCADA uses a different parameter to set the number of samples the cache can store. See the following table: