Metrohm 796 Titroprocessor User Manual

Page 196

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8.10 Sample changer commands

796 Titroprocessor, Instructions for use

190

190

Stirring rate

Stirrer speed

1…15 | off

The stirring speed of each individual stirrer can be varied
in 15 steps.

RESET_C

Initializing changer

After sample racks have been changed it is necessary to initialize the sam-
ple changer. This is done by rotating the sample turntable to the basic posi-
tion and reading off the magnetic code for identification of the rack. This is
normally carried out manually, but can also be programmed in a method
(preferably in the start sequence, see

OMOVE below).

Command Parameters Parameters

ДДДДДДДДДДДДД ДДДДДДДДДДДДДДДДДДДДДДДД ДДДДДДДДДДДДДДДДДДДДДДДД

RESET_C

Selection 1

Selection

Changer address

1 | 2

Changer 1 or changer 2 are defined by the setting of the
EBus address selector disk on the sample changer, see
page 25.

(OMOVE

Start sequence for a series of samples

)OMOVE

When a series of samples is being processed it is often necessary to carry
out certain working steps a single time before the sample series itself. For
example, these could be rinsing procedures or conditioning steps for sen-
sors.

The definition of the necessary command sequence is made in an

OMOVE

sequence (

OMOVE = Opening Moves), which is enclosed by the starting

marker

(OMOVE and the end marker )OMOVE.

Example: Rinsing a sensor:

t/s Command Parameters Parameters

ДДДДД ДДДДДДДДДДДДД ДДДДДДДДДДДДДДДДДДДДДДДД ДДДДДДДДДДДДДДДДДДДДДДДД

(OMOVE

CHANGER Selection 1 Rack name

Lift rate 1 25 Lift rate 2 25

Shift rate 20 Beaker test mode single

Shift direction auto On beaker error MOVE_S

MOVE_B Special beaker waste to tower 1

LIFT on tower 1 to position rinse mm

PUMP Address 1.rinse State on

10 PUMP Address 1.aspir State on

PUMP Address 1.rinse State off

PUMP Address 1.aspir State off

LIFT on tower 1 to position shift mm

)OMOVE

...

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