Labom MiniTherm GV4730 Series User manual

Temperature transmitter MiniTherm
Type series GV4730
LABOM Mess- und Regeltechnik GmbH Im Gewerbepark 13 27798 Hude Germany
BA_085_2019-05_10.00
Hotline: [phone] Fax: [phone] e-mail: [email protected]om www.labom.com Page 1/20
Operating Instructions
1General Information.......................................................................................................2
1.1 General Safety Notes..............................................................................................2
1.2 Intended Use...........................................................................................................2
1.3 Conformity with EU Regulations..............................................................................2
2Transportation and Storage..........................................................................................2
3Installation and Commissioning ..................................................................................2
3.1 Mechanical Installation............................................................................................2
3.2 Mount / Dismount Display .......................................................................................3
3.3 Electrical Connection ..............................................................................................3
3.4 Device orientation ...................................................................................................3
3.5 Adjustment of the Display Contrast.........................................................................4
4Operation........................................................................................................................4
4.1 Maintenance / Service.............................................................................................4
5Disassembly...................................................................................................................4
6User Manual...................................................................................................................5
6.1 Basics of the Operating Concept.............................................................................5
6.2 Display Mode / Measured Value Display.................................................................6
6.3 Menue Mode / Operating Menue.............................................................................9
6.4 The Menue Tree....................................................................................................12

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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 temperature in technical processes 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.
You find the complete EU Declaration of Conformity (document no. KE_052) 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…80 °C
3 Installation and Commissioning
Ensure that the device is suitable for the intended application with respect to temperature
range, pressure range, medium compatibility and process connection.
3.1 Mechanical Installation
Before starting operation, check the process connection carefully for leaks under pressure.
Use gaskets, if required, that are suitable for the process connection and resistant to the
media.
The process connection determines the permissible process pressure. Operating the de-
vice beyond its nominal pressure limit, e.g. clamp-connections, requires specially designed
and approved mounting elements.

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3.2 Mount / Dismount Display
In order to dismount the display, turn off the device cover and pull out the display. The
three small studs at the outer diameter of the display (all 120°) facilitate removal.
The display cable can be disconnected either at the display or at the clamp module. When
reconnecting the cable, please take polarity (red lead) into account. Otherwise the cable
will not fit into the plug.
When mounting the display, you can choose its orientation. Complete the process by firmly
reattaching the cover.
3.3 Electrical Connection
Complete the mechanical installation before you connect the device electrically.
Set up all electrical connections while the voltage supply is switched off.
Output (2-wire) 4...20 mA (20...4 mA)
Permissible supply voltage UV= 12…30 VDC
Permissible load RB≤ (UV- 12 V) / 22 mA
Circular connector M12
Cable gland
Figure 1: Options for the electrical connection
Pay attention to the following points regarding electrical connections via cable gland:
The display can be dismounted as described in Chapter 3.2. Use a small screwdriv-
er to press the spring of the terminal block completely downwards before inserting
the cable. Otherwise, it is not possible to ensure a safe electrical connection.
Do not forget to tighten the cable gland after the electrical connection is finalised.
3.4 Device orientation
The case can be turned in relation to the process connection as well as the display in rela-
tion to the case.
Turning the case in relation to the process connection (±170°) allows to choose the posi-
tion of the electrical connection. Turning the display in relation to the case allows to
choose the viewing angle independently of the position of the electrical connection.

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3.5 Adjustment of the Display Contrast
The display contrast can be adjusted.
Press and hold the ESC key and use the arrow keys to adapt the contrast.
The setting is saved and the contrast screen closes as soon as the ESC key is released.
4 Operation
During operation, take care that the device remains within its intended pressure and tem-
perature ranges. No other monitoring is necessary.
Permissible media temperature: -50…200 °C
Permissible ambient temperature: -20…80 °C
4.1 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 case of damage or defects, the customer can replace the following elements:
Display module
Cable glands (if applicable)
For defects to other components, repairs must be performed in the factory.
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
The device can be configured via the display module as well as the HART protocol. The
following pages describe operation and configuration of the device using the display mod-
ule.
An overview of the menue structure can be found on the last page of this document.
6.1 Basics of the Operating Concept
The display module consists of a dot-matrix
display with 80x128 pixels as well as a
4-button control panel.
The four buttons below the display allow an
intuitive operation of the device. The gen-
eral functionality of the buttons is identical in
all operating modes.
Figure 2: Control elements
If you press and hold the up or down button, it will automatically be triggered multiple
times. This allows to easily navigate through longer selection lists. If you press and hold
the ESC button, you always return to the measured value display.
Button
Function
/
Select function, increase/decrease value
OK
Confirm selected function or selected value
ESC
Cancel action
ESC long
Return to measured value display
Table 1: General button functions
The structure of the display is the same in every operating mode. The display area is di-
vided into three zones:
Header
Icon indicating device status
Data area
Figure 3: Display structure

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The icon for the device status (see 6.2.3) is displayed in each operating mode. The con-
tents of the header and the data area depend on the operating mode:
Display of measured value
Header: Icon description, if applicable. Otherwise "Value"
Data area: Measured values and parameters according to the selected screen
mode (see 6.2.4)
Display of device data (see 6.2.1)
Header: Title for the displayed device data
Data area: Device data
Operating menue
Header: Selected menue item
Data area: Submenue or dialogue during setting procedure
6.2 Display Mode / Measured Value Display
After applying the supply voltage and completion of the initialisation, the device switches to
the display mode. In the display, the currently measured value is shown.
If the measured value is larger than the displayable number due to setting a fixed decimal
point or an inappropriate unit, the largest displayable number is shown flashing. In this
case please select a different setting of the decimal point or a different unit.
In display mode you can review the device data, enter the menue or lock/unlock the
menue.
Button
Function
/
Scroll through the pages with device data
ESC
Return to measured value display
OK
Go to the operating menue
ESC+OK long
Activate / deactivate menue lock (see 6.3.2)
Table 2: Button functions in display mode
6.2.1 Quick Access to Device Data
You can access a number of device parameters directly from the measured value display
using the / -buttons. This allows a quick overview of the device configuration.
With the -button you can display variable data (min/max values), with the -button
static information such as configuration data.
From any screen of the device data, you can enter the operating menue with OK and go
back to the measured value display by pressing ESC.

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The sequence of the screens with device data is as follows:
Min/Max values (measurement)
----- Measured value display (starting point) ---
Temperature measurement (senor type)
Current output (characteristic curve, limits, measuring range)
HART data (address, tag, descriptor)
Device identification (device ID, order number, serial number)
Module information (hardware and software versions, serial numbers)
6.2.2 Locking the Menue
You can lock the menue with a key combination at the device. Press and hold the ESC-
key and press then OK to activate the menue lock. Hold down both keys until the display
confirms that the menue lock has been activated. You can still access the device data but
the menue is now locked.
An active menue lock is indicated by the header text „Write protection“ in combination with
the lock icon.
Use the same key combination to unlock the menue again.
6.2.3 Icons indicating device status
In the top right corner of the display, depending on the device status an NE107-conform
icon is displayed. The following icons are defined:
Error/failure
Critical error, alarm current is activated.
The error description is indicated in the display. The device
restarts after confirming the error.
Warning
Temperature limit is exceeded.
Limit reached
The output current reached the pre-set upper or lower cur-
rent limit.
Function control
The output current does not correspond to the measured
value due to an active simulation.
Write protection
The write protection of the device was activated via HART
or with the key combination in the display.
Table 3: Icons for device state
The list of icons is sorted in descending priority. Only the icon with the highest priority is
shown. The two most important icons for fault and/or warning are flashing when displayed.

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6.2.4 Display layouts
You can configure the layout of the measured value display as well as the displayed infor-
mation individually. There are four different layouts available:
Designation
Layout
Description
Example
Four values
Under the main value, three additional
values are shown. The 4th value can
use the entire display width.
Three val-
ues
Under the main value, two additional
values are shown. Both of them can
use the entire display width.
Two values
Two values are shown in the same
size, one under the other.
Large dis-
play
The main value is shown at the maxi-
mum size (best readability from a dis-
tance). One additional value can also
be shown.
Table 4: Display layouts
You can define what information shall be shown in the layout’s placeholders.
You can select the 1st value (main value) from the following data:
1. Temperature with the selected unit
2. Pressure in per cent of the measuring range
3. Pressure in milliampere
For all further values, you can additionally choose from the following data:
Bar graph
Device ID (see 6.4.9.1)
HART tag
HART descriptor
When information (such as the device ID) cannot be displayed in a short layout placehold-
er, "###" appears on the screen. Then select another layout or assign the value to a longer
layout placeholder.
You can configure the screen mode in the menue "Display" submenue "Screen mode"
(see 6.4.4.2).

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6.3 Menue Mode / Operating Menue
Press OK in the measured value display to go to the operating menue. Then the main
menue appears in the display.
In the operating menue you can navigate in the menues by using the arrow buttons. The
selected menue item is indicated by triangles on the left and right. The OK button selects
the menue item or switches to the corresponding submenue. You can return to the higher-
level menue by pressing ESC. From the main menue, pressing ESC returns to the meas-
ured value display.
From every position in the operating menue, you can return to the measured value display
by pressing and holding the ESC button (for at least one second).
Figure 4: Navigating the operating menue
In long menues and selection lists, a scroll bar on the left side shows the position of the
currently selected item.
Menue items that open a setting dialogue differ from submenues by three trailing points,
e.g. "Lower range …" (calling a setting dialogue) and "System" (calling a submenue).
If no button is pressed in menue mode for five minutes, the device automatically returns to
the display mode without saving any values.
Button
Function
Scroll up in the menue, increase value/position in list
Scroll down in the menue, decrease value/position in list
OK
Select menue, confirm value/list entry
ESC
Cancel the data entry or menue selection, return to the next higher
menue
ESC long
Cancel menue mode, return to display mode
Table 5: Button functions in the operating menue

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6.3.1 Displaying and entering parameters
When entering parameters, either numerical inputs or a selection lists with fixed options is
available.
In general, the actual selection will be displayed first (view mode). Press OK to switch to
edit mode to change the parameter. After this is done, the display will then switch back to
view mode so that you can check the new setting.
6.3.1.1 Selection of a value from a selection list
Up to four options are shown at the same time in one selection list. When the selection list
is longer, a scroll bar on the left side of the display indicates the position of the selected
item in the selection list.
When you press the ESC button, you cancel the entry and go back to view mode. The se-
lected value is not saved.
With the OK button, the selected value is saved. Saving the value is confirmed with an in-
formation window and the new value is shown in view mode.
With ESC, you leave the view mode and return to the menue.
Figure 5: Procedure for value selection (e.g. changing language from english to german)
6.3.2 Setting a numeric value
When setting numeric values, the screen shows the following elements (from top to bot-
tom):
Designation of the parameter that can be set (in header)
Help text (if applicable)
Numeric value and unit
Function of buttons (if applicable)