Operational Control States; The Off State - Agilent Technologies InfinityLab LC Series User Manual

5
Using the Agilent 1260 Infinity II SFC Control Module

Operational Control States

Operational Control States

The Agilent 1260 Infinity II SFC Control Module has three defined operational
control states: OFF, STANDBY and ON. You control the three states by
selecting the Control option from either the Open Lab CDS or from the SFC
Test Utility Software.
Some components of the Agilent 1260 Infinity II SFC Control Module are not
governed by the three described states but are continuously on. These include:
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The OFF State

The OFF state is characterized as follows:
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The processor.
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Continuously records and transmits sensor data to the host control
system.
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Handles status and command requests from the host controller.
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Monitors sensors for safety-related parameters.
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Updates the event log.
Pressure and temperature sensors are continuously powered and sensed.
Coolant and electronics bay fans are continuously powered.
The wash pump is activated by contact closure of the external contacted
board placed in the SFC Autosampler, independent of the Agilent 1260
Infinity II SFC Control Module control state.
The CO supply valve is closed (unpowered).
2
The booster pump drive is unpowered.
The BRP drive is unpowered.
The BRP heater is unpowered.
The chiller is unpowered.
The secondary cooling circuit pump is unpowered.