Labom PASCAL CS21 0 Series User manual

Pressure transmitter PASCAL CS
Type series CS21x0
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LABOM Mess- und Regeltechnik GmbH Im Gewerbepark 13 27798 Hude Deutschland
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BA_060
Rev 1B6
Page 1/20
Operating Instructions
1 General Information.......................................................................................................2
1.1 General Safety Notes..............................................................................................2
1.2 Intended Use...........................................................................................................2
1.3 Conformity with EU Regulations..............................................................................2
2 Transportation and Storage..........................................................................................2
3 Installation and Commissioning ..................................................................................2
3.1 Mechanical Installation............................................................................................2
3.2 Electrical Connection ..............................................................................................3
3.3 Adjusting the Display Unit .......................................................................................4
3.4 Devices with Diaphragm Seal .................................................................................5
4 Operation........................................................................................................................5
4.1 Setup / Parameterization.........................................................................................5
4.2 Maintenance / Service.............................................................................................5
5 Disassembly...................................................................................................................6
6 User Manual...................................................................................................................7
6.1 System Operating Principles...................................................................................7
6.2 Main Menue ..........................................................................................................11
6.3 Basic Menue (bASE) .............................................................................................11
6.4 Display Menue (diSP) ..........................................................................................14
6.5 Switch-point Menue (SP).......................................................................................15
6.6 System Menue (SYS) ............................................................................................18
6.7 Overview of the Menue Tree.................................................................................20

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1 General Information
This document contains necessary information for the proper installation and use of this
device. In addition to this instruction, be sure to observe all statutory requirements, appli-
cable standards, the additional technical specifications on the accompanying data sheet
(see www.labom.com) as well as the specifications indicated on the type plate.
1.1 General Safety Notes
The installation, set up, service or disassembly of this device must only be done by
trained, qualified personnel using suitable equipment and authorized to do so.
Warning
Media can escape if unsuitable devices are used or if the installation is not
correct.
Danger of severe injury or damage
Ensure that the device is suitable for the process and undamaged.
1.2 Intended Use
The device is intended to measure pressure of gases, vapors and liquids as specified in
the data sheet.
1.3 Conformity with EU Regulations
The CE-marking on the device certifies its compliance with the applicable EU Directives for
placing products on the market within the European Union.
The following guidelines apply to these devices:
PED Directive 2014/68/EU
EMC Directive 2014/30/EU
You find the complete EC Declaration of Conformity (document no. KE_035) at
www.labom.com.
2 Transportation and Storage
Store and transport the device only under clean and dry conditions preferably in the origi-
nal packaging. Avoid exposure to shocks and excessive vibrations.
Permissible storage temperature: -40…85 °C
3 Installation and Commissioning
Ensure that the device is suitable for the intended application with respect to pressure
range, overpressure limit, media compatibility, temperature range and process connection.
3.1 Mechanical Installation
Use gaskets, if required, that are suitable for the process connection and resistant to the
media.
Before starting operation, check the process connection carefully for leaks under pressure.
You can use the device in any mounting position. Normally the transmitter is adjusted for a
vertical mounting position. A different mounting position in combination with a small nomi-

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nal range might cause a zero point offset. In this case a zero point adjustment might be
necessary.
3.2 Electrical Connection
Complete the mechanical installation before you connect the device electrically.
Set up all electrical connections while the voltage supply is switched off.
Permissible supply voltage: U
v
= 14…30 VDC
Permissible load: R
a
= (U
v
– 14 V) / 0,022 A
4-pole connector 8-pole connector
(for switching outputs) Explanations
( )
(+)
(-)
n.c.
Pgm1
Pgm2
(+)
(-)
S1/S2
(+) o. (-)
S1
S2
( )
(+) plus-side of supply
(-) minus-side of supply
n.c. Not connected
S1/S2 Common pin of switching
outputs (see below)
S1 switching output 1
S2 switching output 2
Pgm 1/2 programming pins
Figure 1: Pin assignment for M12 circular connector (device side)
3.2.1 Connecting the switching outputs (optional)
The switching outputs are potential-free.
They are electrically isolated from the sup-
ply side (see Figure 2).
Therefore you can connect the load on the
high-side (PNP-style) or the low-side (NPN-
style) as long as you use only one switching
output.
S1
S2
(+)
(-)
Figure 2: Switching outputs isolated from supply
Due to the limited number of pins either the low-side or the high-side is combined internally
and routed to Pin 5. Therefore you have to connect both loads as shown below if you want
to use both switching outputs.

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4
2
5
S1
2
S2
2
+
-
4
2
5
S1
2
S2
2
+
-
RL
4
2
5
S1
2
S2
2
RL2
RL
RL1
+
-
Figure 3: Connecting options with shared low-side
5
2
4
S1
2
S2
2
+
-
+
-
RL
5
2
4
S1
2
S2
2
5
2
4
S1
2
S2
2
+
RL1
RL2
RL
Figure 4: Connecting options with shared high-side
Use an appropriate free-wheeling diode, if you want to switch inductive loads.
The default values for the switching units are as follows, if not specified otherwise:
switching unit 1 switching unit 2
output function hysteresis, normally open hysteresis, normally open
switch point 40% of measuring range 80% of measuring range
reset point 20% of measuring range 60% of measuring range
Table 1: Default settings for switching outputs
3.3 Adjusting the Display Unit
You can turn the display unit approx. 300°
to optimize the readability. To do so hold the
stainless steel housing with one hand and
turn the display unit with the other hand into
the wanted position.
The turning angle is limited by an internal
limit stop. Do not try to force the display unit
beyond that point. It might get destroyed.
300°
Figure 5: display unit

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3.4 Devices with Diaphragm Seal
Remove the protective cap or protective wrapping from the diaphragm only just before in-
stallation to prevent contamination or damage.
The diaphragm must not be touched. Do not place the device on its diaphragm. Even
small scratches or deformations may negatively influence the zero point or other charac-
teristics of the device.
Pressure transmitter and diaphragm seal are a closed system that must not be separated.
You can find further information about diaphragm seals in the document TA_031 on
www.labom.com.
4 Operation
During operation, take care that the device remains within its intended pressure and tem-
perature ranges. No other monitoring is necessary.
The permissible media temperature depends on the type of device and its design. This
information can be found in the relevant data sheet.
Permissible ambient temperature: -20…85 °C
The measured value is shown on the four-digit display. The LEDs above the display indi-
cate the switch states of the switching outputs. The LEDs are on, when the switch is ac-
tive.
4.1 Setup / Parameterization
You can set or change all adjustable parameters of the device at the device itself. This is
described in detail in the User Manual (Chapter 6).
The three buttons on the display module are capacitive, not mechanical, therefore they do
not move when pressed. Capacitive buttons sense the presence of your finger when
pressed. Withdraw the finger at least one centimeter after pressing a button. This helps
the device to clearly detect individual keypresses.
4.2 Maintenance / Service
When properly installed in accordance with applicable specifications, this device is
maintenance-free. However, we recommend an annual recalibration of the device.
In the event of any damage or defect the customer cannot replace or repair any compo-
nents or assemblies.

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5 Disassembly
When measuring hot media, make sure that the device has cooled down prior to any dis-
mounting or wear appropriate protective clothing to avoid burns.
Switch off the power supply to the device before disconnecting the electrical connections.
Once this is done, the device may be mechanically removed.
Warning
Opening pressurized lines might cause severe injuries.
Danger of severe injuries or damage

Relieve the process pressure before attempting to remove the device.
Shut off the pressure supply for all feed lines to the device and relieve the
pressure in them.
Warning
Hazardous deposits and residues might remain on opened process connec-
tions and removed devices.
Danger of injury

After the device has been removed, seal off the measuring point and
mark the open process connection accordingly. Consider a possible dan-
ger due to residues when handling the removed device.

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6 User Manual
This chapter describes the handling and parameterization of the device with the three but-
tons on the display head.
You find an overview of the menue tree on the last page of this document.
6.1 System Operating Principles
6.1.1 System feedback to operator when buttons are pressed
When you press a button, the switching output LEDs flash acknowledging the pressed but-
ton. The left and right arrow buttons are indicated by flashing the left or the right LED.
When you press the left and right arrow buttons at the same time, both LEDs will flash.
Both LEDs flash rapidly if you press the middle button.
Button Feedback
Left arrow button Left LED flashes
Right arrow button Right LED flashes
Both arrow buttons at the same time Both LEDs flashes
Middle button Both LEDs flash rapidly
Table 2: Feedback to operator when buttons are pressed
The switching outputs are not affected by the LED flashing. When there is no button
pressed, the output states are displayed.
6.1.2 Display Mode / Measured-value screen
When the device is switched on, it goes into display mode. The currently measured value
is displayed, or it is displayed alternately with the unit (see 6.4.1).
By pressing the middle button, the selected unit will be displayed. The unit will continue to
be displayed as long as the middle button is pressed.
The arrow buttons have no function in display mode.
6.1.3 Activating the Menue Mode / Key lock
A key lock prevents an unintentional misconfiguration of the device. You have to press
both arrow buttons simultaneously for at least two seconds to enter the operator menue.
The first entry of the main menue (bASE) will then appear on the display. If you hold both
buttons for more than four seconds, the device switches back to display mode and shows
the currently measured value again.

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operator
menu
measuring
unit
> 2 s
measured
value < 4 s
> 2 s
< 4 s
Figure 6: Button function in display mode, with example
6.1.4 Menu mode / Operator menu
When you enter the menue mode, you always begin with the first main menue item
(bASE).
In menue mode you can navigate the menue with the arrow buttons. The middle button
selects the menue item resp. enters the submenue. If a value is just displayed (e.g. the
maximum pointer) you can also return back to the menue item with the middle button.
The menue item "-rEt-" (return), which allows you to go back to the next highest menue
level, is available in every menue. When you are in the main menue, "-rEt-" returns you
to display mode.
At the end of a menue (typically, the "-rEt-" item) you return to the first menue item by
pressing the down arrow button again. Similarly, you can jump from the first menue item to
the end of the menue or a value list with the up arrow button.
You can return to the next higher menue level from every menue item by pressing both
arrow buttons at the same time. The return is indicated by a blinking "-rEt-". By pressing
both buttons for more than one second, you return to the display mode. Cancelling the
menue mode is indicated in the display by a blinking "-ESc-" (escape).
If no button is pressed for five minutes in menue mode, the device automatically switches
back to display mode.
previous
menu item
menu
item
next menu
item
sub menu
measured
value
upper menu
> 1 s
Figure 7: Button functions in menue mode

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An example of button functions available in menue mode is shown below.
> 1 s
Figure 8: Button function in menue mode (example)
For the sake of simplicity, the return to the next higher menue and directly to display mode
will not be shown anymore.
6.1.5 Setting values
There are two types of values that can be altered:
−values that can be selected from a predefined parameter list
−numerical values
Selecting a value from a parameter list
Parameter lists – for example, the units list – behave like a menue. You can scroll through
the list in both directions with the arrow buttons. Each list contains the "-rEt-" item, which
allows you to return to the next higher menue level.
The middle button stores your selection. "Stor" appears on the display to confirm that the
value has been stored, and the device returns to the higher level menue item.
You can cancel the selection by pressing both arrow buttons at the same time. The device
will then switch back to the corresponding menue entry. The selected value will not be
saved.
Figure 9 depicts the button functions in a parameter list. E.g. if you are in the parameter list
for the unit, you can scroll thru the available units with the arrow buttons. With the middle
button you store the displayed unit. "Stor" appears on the display to confirm that the
changed unit has been stored and the device switches back to the menue item for select-
ing the measuring unit (unit).

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previous
list entry
list entry
next
list entry
menu item of
parameter list
vorheriger
Eintrag
Eintrag in
Auswahlliste
nächster
Eintrag
Menüpunkt
der Auswahl
Figure 9: Button functions in a selection menue and example with parameter list for measuring units
Setting a numerical value
Numerical values are entered digit by digit. The selected digit flashes and is incremented
with the up arrow button and decremented with the down arrow button. The more signifi-
cant digit will also be incremented or decremented when stepping over zero. If a change of
the active digit would exceed the allowable value (e.g. the lower or upper range limit) the
allowable value will be shown. With the opposite arrow button you can return to the previ-
ous value.
You confirm the selected digit with the middle button and proceed to the next digit.
You can cancel the value entry at any time by pressing both arrow buttons simultaneously.
The device will then switch back to the corresponding menue entry. The partially edited
value will not be saved.
When the right-most digit is selected, the middle button confirms the whole value. "Stor"
appears on the display to confirm that the value has been stored and the device switches
back to the menue item for the value.
You can store the partially edited value at any digit position by holding the middle button
until "Stor" appears on the display (approx. two seconds).
menu item
for value
a) b)
c) > 2 s
Figure 10: Button functions for entering numeric values a) limit to allowed values, b) changing one digit,
c) incrementing the more significant digit when stepping over zero

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6.2 Main Menue
The main menue contains the following functions:
Display Designation Description
Basic functions Setting the unit, setting the zero point, min./max.
pointer
Display functions All settings relating to the display
Switch point settings Configuration of the switching outputs (optional)
System data Displaying system data (versions, serial number);
reset to factory settings
Return Return to display mode
Table 3: The items in the main menue
6.3 Basic Menue (bASE)
The basic menue contains the following items:
Display Designation Description
Measuring unit Setting the measuring unit via a parameter list
Set zero point
(Teach lower range) Setting the applied pressure as zero point (0 bar)
Min. pointer (low) Display resp. delete the min. pointer
Max. pointer (high) Display resp. delete the max. pointer
Return Return to the main menue
Table 4: The items in the basic menue
6.3.1 Setting the measuring unit (unit)
The device can operate with the units shown in the table 5. The selected unit applies to
data entries (e.g. for set points) and to the displaying of numerical values (e.g. the
min./max. pointer).
Display Unit Display Unit
bar kPa
mbar MPa
PSI mA
% Return
Table 5: Parameter list for the measuring unit

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As an example the steps needed to change the unit from bar to PSI are shown below.
> 2 s
> 1 s
Figure 11: Operator actions for changing the measuring unit
6.3.2 Correcting the Zero Point (tlr)
You can correct the zero point by up to ±20% of the measuring range with the "teach lower
range" menue item (tlr). When the menue item is selected the entry points to "-rEt-".
To trigger the function go to "YES" with one of the arrow buttons and confirm with the mid-
dle button. This extra step prevents any unintentional zero shift while navigating the
menue.
With the final confirmation, the applied pressure is stored as zero point. "donE" appears on
the display to confirm that the zero point has been adjusted and the device switches back
to the menue item "Teach Lower Range" " (tlr).
Display Designation Description
Return Return to „tlr “
Confirm (yes) Setting the applied pressure as the zero point
(0 bar)
Table 6: Parameter list for correcting the zero point
The steps needed to adjust the zero point are shown below (starting from display mode).
> 2 s
> 1 s
Figure 12: Operator actions for correcting the zero point

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6.3.3 Min. and max. pointers (Lo / Hi)
The device has min./max. pointers for minimum and maximum pressure values. You can
display and reset them in this menue. Resetting a pointer is confirmed by showing "----"
on the display.
Display Designation Description
Value of min./max pointer Value of min./max. pointer in the selected
measuring unit
Clear Reset the stored pointer value
Return Return to „Lo “ or „Hi “
Table 7: Parameter list for min./max. pointer
The steps needed to reset the minimum pointer are shown below.
> 2 s
> 1 s
Figure 13: Operator actions to reset the minimum pointer

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6.4 Display Menue (diSP)
The display menue for configuring the display contains the following items:
Display Designation Description
Display period for meas-
ured value (time data) Can be set between 0.5 and 99.9 s
Display period for unit
(time unit) Can be set between 0.0 and 99.9 s
Rotate 180° Rotate screen by 180° when the device is in-
stalled upside down
Decimal places Setting the decimal places (zero to three fixed
decimal places or automatic)
Return Return to "diSP"
Table 8: The items in the display menue
6.4.1 Display period for measuring value/unit (td / tu)
The unit can be displayed in two ways, either by pressing the middle button in display
mode or alternating with the measured value. When displayed alternating with the meas-
ured value, the display periods for the measured value and the unit can be selected inde-
pendently of one another.
If the period for displaying the unit is set to zero, only the measured value will be dis-
played.
6.4.2 Rotating the display by 180° (rot)
You can rotate the 7-segment display by 180°, so that it can be read when the device is
put in place upside down. The function for the arrow buttons are also swapped in this
case, so that the device can be operated the same way in either position.
Display Designation Description
Standard (0°)
Upside down (180°) Display rotated 180° for upside down operation
Return Return to (rot)
Table 9: Parameter list for rotating the display

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6.4.3 Decimal-point setting (dEcP)
You can set a fixed decimal point or allow the system to compute the best position for the
decimal point.
Display Designation Description
Automatic The decimal point is set so that the decimal
places are fully used
No decimal place
One decimal place
Two decimal places
Three decimal places
Return Return to "dEcP"
Table 10: Parameter list for setting the decimal point
Please note that when the decimal point is set as “fixed”, the decimal point will shift to the
right if there are insufficient digits to the left of the decimal point. If, for example, the dis-
play is set to use two decimal places and the measured value is 110 mbar, the display will
show “110.0”.
6.5 Switch-point Menue (SP)
The switch-point menue contains the functions for setting the first and second switch-point.
The menue items vary, depending on whether you select a hysteresis or frame function.
Independently from the output function you can define switching delays.
Display Designation Description
Switch-point Switch-point in the selected measuring unit
Reset-point Reset-point in the selected unit
Delay switch Output delay at the switch point
Delay reset Output delay at the reset point
Output function Configuring the output (normally open / normally
closed, hysteresis / frame)
Menue items for second switch point
Return Return to "SP"
Table 11: Menue items for a switching output with hysteresis function
The switch-point (SP) must be between the upper range limit (URL) and the reset-point.
The reset-point (rP) must be between the lower range limit (LRL) and the switch-point. The
minimum distance between switch-point and reset-point (minimal hysteresis) is 0.5% of the
measuring range.

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LRL
URL
Setting range for
the reset-point
Setting range for
the switch-point
rP SP
0,5% of MR
Figure 14: Setting ranges for switch-point and reset-point
You can define delays for the switch-point as well as the reset-point, e.g. to avoid that
short pressure peaks trigger the switch.
0
1
t
switch-point (SP)
reset-point (rP)
delay
switch (dS)
delay
reset (dr)
Figure 15: Output delays for a hysteresis function normally open (Hno)
When you select a frame function, the menue items for switch-point and reset-point are
replaced by the upper and lower frame limits. The minimum difference of the frame limits is
also 0.5% of the measuring range.
Display Designation Description
Frame high Upper frame limit in the selected measuring unit
Frame low Lower frame limit in the selected measuring unit
Delay switch Output delay when entering the frame
Delay reset Output delay when leaving the frame
Output function Configuring the output (normally open / normally
closed, hysteresis / frame)
Menue items for second switch point
Return Return to "SP"
Table 12: Menue items for a switching output with frame function

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6.5.1 Configuring the output function (out 1 / 2)
You can choose a hysteresis or frame function as the output function. Furthermore you
can define whether the output is normally open or normally closed.
Display Designation Description
Hysteresis, normally open If the pressure is above the switch-point the
switch is closed. At the lower range limit the
switch is open.
Hysteresis, normally
closed If the pressure is above the switch-point is open. At the lower range limit the switch is
closed.
Frame, normally open Inside of the frame the switch is closed. At the
lower range limit the switch is open.
Frame, normally closed Inside of the frame the switch is open. At the
lower range limit the switch is closed.
Return Return to "out 1" or "out 2"
Table 13: Parameter list for output function
0
1
0
1
0
1
0
1
t
switch-point (SP) or
upper frame limit (FH)
reset-point (rP) or
lower frame limit (FL)
Hysteresis, normally open (Hno)
Hysteresis, normally closed (Hnc)
Frame, normally open (Fno)
Frame, normally closed (Fnc)
Figure 16: The output functions

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6.6 System Menue (SYS)
The system menue contains the following items:
Display Designation Description
Information Display of Hardware and software version, serial number
Reset Reset
Return Return to "SYS"
Table 14: The items in the system menue
6.6.1 Information (inFo)
The following device information is available in the system menue.
Display Designation Display Designation
Hardware version 1 (HW1) Serial number 1 (Sn 1)
Hardware version 2 (HW2) Serial number 2 (Sn 2)
Software version 1 (SW1) Serial number 3 (Sn 3)
Software version 2 (SW2) Serial number 4 (Sn 4)
Return Return to "inFo"
Table 15: Menue items in the information menue
Due to the limited number of alphanumerical segments on the display, hardware and soft-
ware versions are split into two separate items, and serial number into four items.
6.6.2 Reset to factory settings (rES)
You can reset the device to the configuration as delivered with the menue item "Reset"
(rES). When the menue item is selected the entry points to "-rEt-". To trigger the func-
tion go to "YES" with one of the arrow buttons and confirm with the middle button. This ex-
tra step prevents any unintentional reset while navigating the menue.
"donE" appears on the display to confirm that the device has been reset to factory settings
and the device switches back to the menue item "Reset" (rES). The factory reset does not
affect the zero point adjustment.
Display Designation Description
Return Return to "rES"
Confirm (yes) Resetting the device to factory settings
Table 16: Parameter list for resetting the device to factory settings

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6.7 Overview of the Menue Tree
Main Menue Sub Menue Description
Menue with basic functions
Setting the measuring unit (bar, mbar, PSI, %, kPa, MPa, mA)
Setting the zero point to the applied pressure
Display resp. delete the min. pointer
Display resp. delete the max. pointer
All settings relating to the display
Setting the display period for the measured value
Setting the display period for the unit
Display direction (0° = normal, 180° = rotated)°
Setting the decimal places (zero to three fixed decimal places
or automatic)
Configuring the switching outputs (only if available)
Switch-point or upper frame limit of the first
switching output
Reset-point or lower frame limit of the first
switching output
Output delay at the switch point of the first
switching output
Output delay at the reset point of the first
switching output
Output function of the first switching output
(Hno, Hnc, Fno, Fnc)
Menue items for the second switching output
System information and reset
Hard- and software versions, serial number
Reset to factory settings
Table 17: Overview of the menue tree