Endress+Hauser StamoLys CA 71 HY, Operating Instructions Manual

Page: 28 / 60

Operation Stamolys CA71HY
28 Hauser
5.2.7 SERVICE
5.2.8 DATA MEMORY-measured values
!
Note!
Two menus - "DATA MEMORY 1" (measured values) and "DATA MEMORY 2" (calibration data,
see the following section) - are only available in the
two-channel version. In the one-channel
version there is only one menu "DATA MEMORY".
Menu item Display Info
Pumps and valves
"Virtual switching board"
Various valve and pump combinations can be selected.
The setting options are:
– Valve 1: P (sample) or S (standard)
– Valve 2: S (standard) or R (cleaner)
– Valve 3 (
two-channel version only ): 1 (channel 1) or
2 (channel 2)
– Valve 4 (to empty the cell, thereby achieving better
cleaning and minimizing memory effects):
z (closed) or a (open)
– Pump 1 (sample or standard/cleaner) and pump 2
(reagents): s (stop) or g (go)
– Mixture:
The reagent and sample pumps can be switched on
together so that they run in the same ratio as for filling
the sample-reagent mixture in measurement mode.
s (stop) and g (go).
!
Note!
G can only be selected if P1 and P2 are "Off".
The following valve combinations are possible: (applies to
one-channel and two-channel version, whereby, in the
latter, the user chooses between channel 1 and 2 by
means of valve 3)
– V1: P, V2: S
Passage for the sample. This combination is
automatically reset on leaving the service menu.
– V1: S, V2: S
Passage for standard solution
– V1: S, V2: R
Passage for cleaner
Signal frequency Signal frequency of the photometer
Menu item Display Info
Measured values
The data memory contains the last 1024 concentration
measured values with date and time. If no values are
available, "Empty set" appears. Browse through the data
sets with the
V
and
W
keys.
Serial output
You can output all data sets (in ASCII-format) via the
serial interface. For this, the PC must be configured as
follows: 9600, N, 8, 1.
To send data, the PC must send the ASCII character 68
("d").
Clear data This deletes all data sets.