Specifications

OPERATION MANUAL
“customer” – LSG60 Freeze Drier – “contract ref”
4.13 Historical Logging
Data can be logged to the 16MB internal memory during the freeze drying cycle. Data is
recorded as a text file (.ASC) and can be later imported into most spreadsheet applications.
The Archive interval is user adjustable (max rate 5secs). Log files can be given an 8-
character file name (using MS-DOS constraints).
The data logged to disk is:
1. Active alarms
2. Shelf Temp PV
3. Shelf Temp SP
4. Shelf Press PV
5. Shelf Press SP
6. Condenser Temp PV
7. Condenser Press PV
8. Vacuum Valve position
9. Vapour Valve position
10. Liq_Cool status
11. Defrost status
12. Drain status
13. Event history
14. Time/Date
Naming a Log file- the user is able to name a Log file using the following operation.
1. Access to Logging Groups screen = “MENU” key / “LOGGING” button /
“GROUPS” button or “LOGGING” pane / ”GROUPS” button.
2. Enter File Name.
Setting the Archive interval- the user is able to set the Archive interval using the following
operation.
1. Access to Logging Groups screen = “MENU” key / “LOGGING” button /
“GROUPS” button or “LOGGING” pane / ”GROUPS” button.
2. Enter Archive Interval (hh.mm.ss)
The user is able to start logging manually using the following operation:
1. Access to Logging screen = “MENU” key / “LOGGING” button / “MONITOR”
button or “LOGGING” pane / ”MONITOR” pane.
2. Select logging ON.
3. To stop logging select OFF.
The logged data from the internal memory storage can be archived by the user to a removable
device such as a floppy disk or memory stick. The data can be restored for viewing in either a
text editor or a spreadsheet.
The user is able to archive log files using the following operation:
1. Access to Archive Manage page = “MENU” key / “LOGGING” button /
“MANAGE” button or “LOGGING” pane / ”MANAGE” pane.
2. Press ‘EXPORT’ or ‘EXPORT ALL’ button
Section 3 Issue: 1 Page 32 of 42