Knick Stratos Pro A4 CC Series User manual
T
he Art o
f
Measuring
.
Stratos Pro A2.. CC / A4.. CC
Dual Conductivity
Measurement
Quickstart
Kurzübersicht............... 18
Guide rapide ................ 33
Inicio rápido ................. 48
Início rápido ................. 63
Quickstart Guide............3
Guida rapida................. 78
Latest Product Information: www.knick.de
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).
Sensoface indicator
(sensor status)
Time (or ow)
Mode indicator
(measuring)
Hold meas key
depressed for calling
the measuring mode
(pressing once more
switches the display)
Depending on the conguration, one of the following displays can be
set as standard display for the measuring mode (see page 6):
• Measured values channel A and channel B as well as time
(default setting)
Measured value and tag number (“TAG”)
• Conductivity and temperature of channel A (see example above)
• Conductivity and temperature of channel B
• Time and date
• Measured value channel A, channel B and ow
• Output currents
Note: By pressing the meas key in measuring mode
you can view the displays for approx. 60 sec.
You must congure the device for the respective measurement
task!
Display indicates
OUT1: e.g.
measured value
of channel A
Display indicates
OUT2: here,
temperature of
channel A
enter key
Display active
measuring
channel
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 Channel A / Channel B
10 Calibration
11 Not used
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
enter key
meas key
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.
By pressing meas briey you can step
through further displays such as tag
number (TAG) or ow (L/h).
These displays are turquoise. After
60 sec they switch back to the main
display.
approx. 2 s
Press enter to select a display as
MAINDISPLAY.
The secondary display shows
“MAINDISPLAY – NO”.
Use the UP / DOWN arrows to select
“MAIN DISPLAY – YES”
and conrm by pressing enter.
The display color changes to
white. This display is now shown in
measuring mode.
Example:
Display of conductivity 1 and 2
and calculated pH value.
Conductivity 1
Conductivity 2
Calculated pH
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
Display of calibration data
Self test: RAM, ROM, EEPROM, module
Logbook: 100 events with date and time
Display of direct, uncorrected sensor signals
Display of software version, model designation, serial no.
Manual activation of HOLD mode, e.g., for sensor replacement.
The signal outputs behave as configured (e.g., last measured value, 21 mA)
Display of measured values for validation (simulators)
Resetting the ion exchanger (after replacement)
Current source, output 1
Current source, output 2
Device type selection (process variable)
Specifying access codes for operating modes
Reset to factory setting
Enabling an option via TAN
(Access via
code, factory
setting:
5555)
Configuration
Calibrating sensor A by input of cell factor
Calibrating sensor B by input of cell factor
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.
TAG display (if configured)
after 60 s after 60 s
CLK display
Meas. mode
(main display
selectable)
9
Overview of Configuration
The conguration steps are assigned to dierent menu groups.
Using and 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 and 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 A parameters S_A:
Menu item 1
...
Menu item ...
Sensor B parameters S_B:
Measuring mode MES:
Current output 1 OT1:
Current output 2 OT2:
Control input
(flow measurement or
level) IN:
Alarm mode ALA:
Stratos Pro A4... only:
Relay outputs REL:
Setting the clock CLK:
Tag number TAG:
10
Setup and Channel Selection on the Device
Sensors A and B – Arrangement
Device type:
Cond-Cond
Display
OUT 2
Display
OUT 1
DISPLAY:
Channel Selection and Display Assignment
Outlet:
COND B sensor
with fitting
Inlet:
COND A sensor
with fitting
Connection length
max. 3 m
Cation exchanger
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1
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