Grundfos Conex DIA-2, Installation And Operating Instructions Manual

Page: 45 / 612

English (GB)
45
Notes to figures in fig. 35 :
In the "service" menu, the following items are listed:
• "parameter": displaying data of the previous 10
calibrations
• "controller": checking controller settings
• "test current": testing the functioning of the
current outputs
• "test relay": testing the functioning of the relays
• "test display": testing the functioning of the
display.
"parameter": logbook registration of calibration
data
The calibration data of all activated measuring
values are registered in chronological order by a
logbook function.
Example: With pH measurement, the logbook lists
the following data:
•
calibration number with date/time
• slope (sensitivity of the electrode)
• asymmetric potential of the electrode
• temperature of the buffer solution used.
Under "measured value", the following data are
displayed:
•
current measured value
• current cell voltage or cell current.
Under "water sensor", the following data are
displayed:
•
speed of water sensor during last calibration
• actual speed of the water sensor.
"controller" (checking controller settings)
1. Select the [Up] or [Down] button depending on
the controller, and select the corresponding menu
using [OK].
– In the first line, the configured type of controller
is displayed, and in the subsequent lines the
current controller settings are listed. (Select the
value y
out
using [OK]).
"test current" (testing the functioning of the
current outputs)
1. Select the current output to be tested using the
[Up] and [Down] buttons, and press [OK] to
switch to the corresponding menu.
Depending on the configuration of the current outputs,
the current outputs can be switched on with the
following current values, and the current value can be
output to the system:
•
test currents of 0, 10, 20 mA with selected
standard range 0-20 mA
• test currents of 4, 12, 20 mA with selected
standard range 4-20 mA or with freely adjusted
current outputs.
2. Select the current values using the [Up] and
[Down] buttons.
– When a line is selected, the state of the current
output with the corresponding value is
automatically set to "on".
– As soon as another line is selected, the previous
current value is automatically switched off, and
the new current value is set to on.
"test relay" (testing the functioning of the relays)
1. Select the relay to be tested using the [Up] and
[Down] buttons, and press [OK] to switch it on or off.
If either of the lines "relay 1", "relay 2" or "alarm" has
been selected, the relay that was the last one
activated before entering the test menu is switched
off. Considering the current alarm values and
controller values, the relay is switched on again
when the test menu is left.
"test display" (testing the functioning of the
display)
• If the display turns completely dark: The display
functions OK.
• If the display stays partly bright: The display is
faulty.
• Press [OK] to leave the test menu.
(1)
"cal temp." will only be displayed if
temperature measurement or temperature
compensation has been switched on
in the
"setup" menu.
(2)
"cal pH" will only be displayed if pH
measurement or pH compensation has
been switched on in the "setup" menu.
(3)
"controller" will only be displayed if a
controller has been selected and
configured in the "setup" menu
and in the
"main menu".
(4)
"water sensor" will only be displayed if
measuring cell AQC-D2/-D12 has been
selected in the "setup" menu.
(5)
"CalData/LogBook" will only be displayed if
a calibration has already been made.
service
chlorine
test current
test relay