17
8.3.1.
Operating principle
To make the best possible use of the data output when histograms are printed, you must understand the operating
principle of data memorization.
Items memorized:
The MX 2100 stores sets of data when it is switched on and then in cyclic mode. Each of these data sets has the same
structure and contains the following:
•
the mean measurement of concentrations on each sensor in operation over a preprogrammed duration (one
sampling operation per second);
•
the events on each channel:
-
resetting,
-
fault,
-
instantaneous or mean alarms,
-
types of maintenance requested (programming, calibration, cell replacement),
-
date and time,
-
battery in discharged state,
-
auto-adjustment request,
-
maintenance function request.
Memory capacity:
As the physical memory of the MX 2100 is limited, the number of measurements that can be stored is also limited and,
therefore, so is the operating time.
If the quantity of data to be memorized exceeds the MX 2100 storage capacity, the oldest data are lost. In other words,
the memory freed is used to memorize new data.
Readable items
The appliance calculates a mean value over a one-minute period for each channel in service and for each second. These
averaged data are stored in memory. The MX 2100 serial port can be used to connect:
•
a PC type computer to read the measurement mean values.
Data storage time
The data stored by the MX 2100 are stored even if the appliance is not used for a long time (out of service).
9
9
.
.
P
P
R
R
I
I
N
N
T
T
I
I
N
N
G
G
D
D
A
A
T
T
A
A
(
(
V
V
I
I
A
A
C
C
O
O
M
M
2
2
1
1
0
0
0
0
)
)
The data stored in memory can be printed on a printer connected to a computer.
There are two possible cases, as follows.
1)
MX 2100 connected directly to a computer by a cord equipped with an infrared link: a "charger or pumping"
module can be used to hold the infrared system on the appliance.
cord
Charger or pumping unit
IR component
Summary of Contents for MX 2100
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