Knick Stratos Pro A2 PH Series Manual de usuario
Kurzübersicht............... 21
Guide rapide ................ 38
Inicio rápido ................. 55
Início rápido ................. 72
Quickstart Guide............3
Guida rapida................. 89
T
he Art o
f
Measuring
.
Latest Product Information: www.knick.de
Stratos Pro A2.. PH
pH Measurement
Quickstart
2
HART: Typical Applications
8
9
17
+ out
- out 1
- out 2
A2...
4 ... 20mA
HART Terminal
8
9
17
+ out
- out 1
- out 2
+
-
Power supply
A2...
Uout
min 19V
250 Ohm
4 ... 20mA
HART Terminal
1
2
WG 21 5
6
HART Terminal
3
Quickstart
Measuring Mode
After the operating voltage has been connected, the analyzer auto-
matically goes to“Measuring“ mode. To call the measuring mode from
another operating mode (e.g. Diagnostics, Service):
Hold meas key depressed (> 2 s).
Depending on the conguration, one of the following displays can be
set as standard display for the measuring mode (see page 6):
• Measured value, time and temperature (default setting)
• Measured value and selection of parameter set A/B or ow
Measured value and tag number (“TAG”)
• Time and date
• Output currents
• Controller (4-wire devices only)
Upper display: controller output Y, lower display: setpoint
Note: By pressing the meas key in measuring mode you can view the
displays for approx. 60 sec.
The device must be congured for the respective measurement
task!
Sensoface indicator
(sensor status) Active
parameter set
(conguration)
Display indicates
OUT1: e.g.
process variable
Display indicates
OUT2: e.g.
temperature
enter key
Time (or ow)
Mode indicator
(measuring)
Hold meas key
depressed for calling
the measuring mode
(pressing once more
switches the display)
4
Keypad
Key Function
meas • Return to last menu level
• Directly to measuring mode (press > 2 s)
• Measuring mode: other display
info • Retrieve information
• Show error messages
enter • Conguration: Conrm entries,
next conguration step
• Calibration:
Continue program ow
menu • Measuring mode: Call menu
Arrow keys
up / down • Menu: Increase/decrease a numeral
• Menu: Selection
Arrow keys
left / right • Previous/next menu group
• Number entry: Move between digits
Sensocheck, Sensoface sensor monitoring
Sensocheck continuously monitors the sensor and its wiring.
Sensocheck is user-dened (default: O).
Sensoface provides information on the sensor condition.
The three Sensoface indicators provide information on
required maintenance of the sensor.
When Sensoface is“sad”, the display turns purple.
Pressing the info key shows an information text.
5
Display
MEMO SENS
1234 567 891011
171819202122
12
13
14
15
16
23
24
Signal colors (display backlighting)
Red
Red blinking Alarm (in case of fault: display values blink)
Input error: illegal value or wrong passcode
Orange HOLD mode (Calibration, Conguration, Service)
Turquoise Diagnostics
Green Info
Purple Sensoface message
1 Temperature
2 Sensocheck
3 Interval/response time
4 Sensor data
5 Not used
6 Limit message:
Limit 1 or Limit 2
7 Alarm
8 Service
9 Parameter set
10 Calibration
11 Digital sensor
12 Waiting time running
13 Info available
14 Hold mode active
15 Main display
16 Secondary display
17 Proceed using enter
18 Not used
19 Diagnostics
20 Conguration mode
21 Calibration mode
22 Measuring mode
23 Sensoface
24 Unit symbols
6
Display in Measuring Mode
meas
meas
enter
enter key
meas key
By pressing meas briey you can
step through further displays such as
tagnumber (TAG) or ow (L/h).
These displays are turquoise.
After 60 sec they switch back to the
main display.
Press enter to
select a display as
MAINDISPLAY –
the secondary display shows
“MAINDISPLAY – NO“.
Use the UP / DOWN arrow keys to
select“MAIN DISPLAY –YES“
and conrm by pressing enter.
The display color changes to white.
This display is now shown in
measuring mode.
The MAIN DISPLAY is the display
which is shown in measuring mode.
To call the measuring mode from
any other mode, hold the meas key
depressed for at least 2 sec.
approx. 2 s
7
Selecting the Mode / EnteringValues
To enter a value:
5)Select numeral: left / right arrow key
6)Change numeral: up / down arrow key
7)Conrm entry by pressing enter
To select the operating mode:
1)Hold meas key depressed (> 2 s) (measuring mode)
2)Press menu key: the selection menu appears
3)Select operating mode using left / right arrow key
4)Press enter to conrm the selected mode
Selection menu
Selected mode
(blinks)
1
4
3
2
57
6
8
Manual activation of HOLD mode, e.g. for sensor replacement.
The signal outputs behave as configured (e.g. last measured value, 21 mA)
pH adjustment (as configured)
ORP adjustment
Product calibration
Zero adjustment
Adjustment of temperature probe
Configuring parameter set A
Configuring parameter set B
Display of measured values for validation (simulators)
Current source, output 1
Current source, output 2
Relay test
Controller: manual specication of controller output
Specifying access codes for operating modes
Reset to factory setting
Enabling an option via TAN
(Access via
code, factory
setting:
5555)
Display of calibration data
Display of sensor data
Self test: RAM, ROM, EEPROM, module
100 events with date and time
Display of measured values (mV_pH, mV_ORP, RTD,
resistances of glass electrode, reference electrode)
Display of software version, model designation, serial number
Operating Modes / Functions
Pressing the menu key (down arrow) opens the selection menu.
Select the menu group using the left/right arrow keys.
Pressing enter opens a menu item. Press meas to return.
Meas. mode
(main display
selectable)
TAG display A4... only: Controller
parameter display
(if configured)
after 60 s after 60 s
CLK display
9
Overview of Configuration
The conguration steps are assigned to dierent menu groups.
With the left/right arrow keys you can jump between the individual
menu groups.
Each menu group contains menu items for setting the parameters.
Pressing enter opens a menu item. Use the arrow keys to edit a value.
Press enter to conrm/save the settings.
To return to measurement: Hold meas key depressed (> 2 s).
Select menu
group Menu group Code Display Select menu
item
Sensor selection
Menu item 1
...
Menu item ...
Current output 1
Current output 2
Compensation
Control input
(parameter set or flow
measurement)
Alarm mode
Stratos Pro A411 only:
Relay outputs
Stratos Pro A411 only:
Cleaning
Setting the clock
Tag number
10
Automatic Calibration (Calimatic)
The AUTO calibration mode and the type of temperature detection
are selected during conguration. Make sure that the buer solutions
used correspond to the congured buer set. Other buer solutions,
even those with the same nominal values, may demonstrate a dier-
ent temperature response. This leads to measurement errors.
Display Action Remark
Select Calibration.
Press enter to proceed.
Ready for calibration.
Hourglass blinks.
Select calibration
method: CAL_PH
Press enter to proceed.
Display (3 sec)
Now the device is in
HOLD mode.
Remove the sensor
and temperature
probe, clean them, and
immerse them in the
rst buer solution (in
any order).
Press enter to start.
When manual input
of temperature has
been congured, the
temp value in the
display blinks and
can be edited using
the arrow keys.
Buer recognition.
While the“hourglass”
icon is blinking, the
sensor and temperature
probe remain in the rst
buer solution.
The response time
of the sensor and
temperature probe
is considerably
reduced when the
sensor is rst moved
about in the buer
solution and then
held still.
Buer recognition
terminated, the nomi-
nal buer value is
displayed, then zero
point and temperature.
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