Agilent Technologies 1290 Infinity User Manual page 144

3
LC Injector HTC/HTS Description and Installation
Special Functions
Wash Stations
The following object Wash Station items may be changed by selecting the
particular item. First select the desired Wash Station, such as Wash1.
Item
Position X
Position Y
Position Z
Z Tolerance
Z Retract
Max Penetrat
Needle Penetr
Type
Flow Control
144
Description
X-axis position for Wash Station.
Y-axis position for Wash Station.
Z-axis position for Wash Station.
A tolerance window for a plus/minus range (expressed in mm) where the
Injection Unit has to expect an object.
• If the value of this item is > 0, this is a relative detection mode and the
sensor from the Injection Unit needle guide is active.
• If the value of this item is set to 0 the sensor of the needle guide is
turned off and the syringe slider moves to an absolute value, Z-axis
position as specified in the object.
The distance to lift up the syringe slider before the Y-, Z-axes assembly
moves across the unit can be specified, expressed in mm.
The maximum allowed Needle Penetration can be defined as a safety so
that the user cannot destroy the needle tip by going too far down. The
maximum needle penetration must not exceed the length of the syringe
needle, considering the loss due to needle guide, etc..
Typical needle length is 51 mm, maximum penetration must not exceed
48 mm.
This item is identical to that at the User Level. The value defined at this
level is mirrored to the Extended User level.
The specific mode for the Wash Station in use has to be defined:
• Standard = Standard Wash Station. Syringe is filled with wash solvent
and expelled into Waste.
• Pulse = A pulsed signal is sent to activate the device. Used for the Fast
Wash Station and Active Wash Station.
• Flow = Continuous flow of liquid by gravity. No electrical contact
required for a solenoid.
• DLW = Dynamic Load & Wash. Item used to activate specific solenoid
for DLW Wash Station. (Available beginning with Firmware Level 4.0.X)
The power source to activate a Wash Station is specified. For the Fast,
Active Wash Station and DLW the Event Power-Out1 and Power-Out2 are
used.
Agilent 1290 Infinity LC Injectors HTC/HTS User Manual