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68 . DSC 6000 Installation and Hardware Guide
AS 8000 Autosampler
The AS 8000 autosampler accessory brings automation capability to the DSC 4000,
DSC 6000, STA 6000 and TGA 4000 when used in conjunction with the Pyris software Player
feature.
NOTE: If you have an STA 6000, then you will need firmware for Pyris version 9.1 or later to
operate the AS 8000 autosampler. Select Programs > Pyris Software > Pyris User
manuals > Pyris Installation manuals > Upgrading Pyris Software
Installation.pdf for more information.
Maximum load
Maximum supply voltage
Fuses
Pollution degree
Overvoltage category
Protection class
The autosampler is powered by the power supply of the parent instrument.
•
The part of the autosampler that manipulates the sample pan is called the gripper. It
•
comprises three fingers, 120° apart from each other. They extend out of the end of the
gripper housing.
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There are only two ranges of motion for the gripper: the gripper arm moves up and
down and rotates. This allows the gripper to access each sample pan in the trays,
transfer a pan from the tray, through the furnace access hole in the base plate, to the
furnace, and then return it to its position on the tray. Movement in these two directions
also allows the gripper a sufficient range of motions to access the furnace lid(s) and
move it onto and off of the furnace access hole.
For the DSC 4000 and DSC 6000, you can use the existing robotic sample pans sealed
•
with the Universal crimper press. All other standard sample pans (sealed and vented)
can also be used. For the TGA 4000 and the STA 6000 the standard crucible (ceramic
pan) is used.
•
The AS 8000 communicates with the computer via the parent instrument's connection
to the computer via the RS-232 port.
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The parent instrument communicates with the AS 8000 via an I2C bus.
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The autosampler operates over the full temperature ranges of the TGA 4000, STA 6000,
DSC 4000 and DSC 6000.
When power is supplied the three-finger gripper mechanism, the metal shrinks and the
•
fingers open; when power is not supplied, the metal expands and the fingers close.
The autosampler operates with a feedback system from the instrument. When a sample
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pan is located properly on the sensor the autosampler senses this and rises up out of
the furnace.
•
The light switch sensors by the furnace hole detect the presence of a sample pan or
furnace lid being placed in the furnace hole. If the autosampler is supposed to be
removing a lid, for example, and the gripper fails to pick up the lid, it is detected by the
sensors and error message is displayed.
0.5A
24V DC
Fused by parent instrument (0.9A)
2
II
IP20
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