Walchem WCT400 Series Instruction Manual

Walchem WCT400 Series Instruction Manual Manual pdf 36 page image

335.12 Datalog MenuThis menu is available on both the WCT400 and WCT410, if the data logging option has beenpurchased. This is indicated in the model code by the letter U at the end of the model code. This menuallows you to save data from the controller to a USB flash drive.The controller has four logs, the Current Datalog, the Backup Datalog, the Event Log, and the ResetLog. All files are in a CSV format that may be opened in a spreadsheet such as Microsoft Excel.Current Datalog Contains the following data taken at 10 minute intervals:ConductivityTemperatureWater Meter 1 TotalWater Meter 2 TotalWhen the current datalog is downloaded to a USB stick, it is erased and a new log file is started.If the current datalog is not downloaded before it reaches its maximum size (at least 60 days ofdata) the oldest data is overwritten by the newest data.Backup Datalog Contains the same data as the current log but it is never erased. When the backup log reaches itsmaximum size (at least 60 days of data), the oldest data is overwritten by the newest data.Event Log Contains columns for each relay and flow switch input, as well as the date and time. Each timeany of these change state, the date and time is updated and it will show a 1 if the relay is on and 0if it is off, and a 1 if the flow switch indicates no flow, 0 if there is flow. Tens of thousands ofevents will be recorded before the oldest data is overwritten by the newest, the number varyingwith the controller’s configuration.Reset Log Consists of time stamps of when power was lost, when it was returned, and the cause of the reset.Current or BackupDatalogPlace a USB flash drive with at least 10 MB capacity into the USB port on the front panel of thecontroller. Press the Enter key to download the file from the controller to the disk. The file name forthe Current Datalog will be Datalog.csv using the date and time it wasdownloaded. The file name for the Backup Datalog will be Datalog.csv using the date and time it was created.The controller will display the progress of the file download process. If the file was successfullycopied to the USB disk the controller will display Transfer Success.Copy Event Log Place a USB flash drive with at least 10 MB capacity into the USB port on the front panel of thecontroller. Press the Enter key to download the file from the controller to the stick. The file namewill be Eventlog.csv.The controller will display the progress of the file download process. If the file was successfullycopied to the USB disk the controller will display Transfer Success, otherwise Transfer Fail 1.Transfer Success Transfer Fail 1Copy Reset Log Place a USB flash drive with at least 10 MB capacity into the USB port on the front panel of thecontroller. Press the Enter key to download the file from the controller to the stick. The file namewill be Resetlog.csv.The controller will display the progress of the file download process. If the file was successfullycopied to the USB disk the controller will display Transfer Success.Transfer Success Transfer Fail 1DatalogCurrent DatalogDatalogCopy Event LogDatalog MenuENTER EXITDatalogDatalogTransfer SuccessNextPrevDatalogCopy Reset LogNextPrevENTER EXIT ENTER EXIT ENTER EXITDatalogTransfer SuccessDatalogTransfer SuccessPossible Status ScreensTransfer SuccessTransfer Fail 1DatalogBackup DataLogNextPrevENTER EXITDatalogTransfer Success2000 μS 67°FFigure 19 Datalog Menu