Commands and Tips for Third-Party Devices
 Perkin Elmer Autosystem (XL) and Clarus GCs: General
 Perkin Elmer Autosystem (XL) and Clarus GCs: General
The following commands and properties are available (please note that the display Filter level determines which commands and properties are displayed):
| Property | Range/Values | Description | |
| Data_Collection_Rate | 1.625Hz, 3.125Hz, 6.25Hz, 12.5Hz, 25Hz | Sets the data collection rate. (Level: Advanced or higher) 
 The property cannot be changed during data acquisition. | |
| EquilibrationTime | 0 min | 99.0 min in 0.01 increments | After reaching the desired start values (temperature and/or flow), the GC waits for the equilibration time. When the equilibration time has passed, the GC is ready. | 
| FirmwareVersion | n/a | n/a | Indicates the firmware version. (Level: Expert or higher). | 
| OvenReady | Not Ready | Ready | Indicates whether the oven has reached the target temperature (read-only). | 
| RampState | Initial, | Indicates the current phase of the oven's temperature range (read-only; level: Advanced or higher). | |
| Ready | Not Ready | Ready | Indicates whether the GC is ready for injection (read-only). | 
| RunState | PowerUp, | Indicates the GC state (read-only; level: Advanced or higher). | |
| TempCtrl | Off | On | Enables or disables temperature control for the oven. | 
| Temperature | - | - | Properties related to the column oven. 
 A PGM File can include a maximum of 3 temperature ramps. The temperature can be changed between 0 and 45°C. If a temperature is set, TempCtrl is automatically set to On. | 
| Temperature. | -99°C - 450°C | Current temperature (read-only). | |
| Temperature. | -99°C - UpperLimit | Sets the nominal temperature. | |
| Temperature. | 50 - 450°C | Sets the upper limit for the oven temperature. | |
In addition, Chromeleon supports the following commands and/or properties if the Autosystem GC includes a PPC:
| Property | Values | Description | 
| PPCAlarm | On or Off | Enables or disables the PPC alarm. (Level: Advanced or higher) | 
| PPCVersion | 
 | Indicates the firmware part number and version of the PPC. (Level: Expert or higher) | 
| PressUnit | kpa, psig, or bar | Indicates the pressure unit used for the PPC settings. (Level: Advanced or higher; read-only). Select the unit on the Components tab page in the Server Configuration program. | 
For installation details, refer to: