Motrona DX350 User manual

Operating Manual
motrona GmbH, Zeppelinstraße 16, DE - 78244 Gottmadingen, Tel. [phone], Fax [phone], [email protected], www.motrona.com
touchMATRIX®Indicator DX350 / DX355
Pulse counter, tachometer and speed indicator with touchscreen and graphic display
Product features:
Multifunctional unit with several operating modes, e. g. speed or position indicator,
counter, flow time indicator, timer, stopwatch or process indicator
Universal inputs (HTL/RS422) for encoders / sensors with NPN / PNP / NAMUR characteristic
Bright and high-contrast display with event controlled color variations
Emulation of a 7-segment display inclusively icons and units
Intuitive and easy parameterization by plain text and touchscreen
5 / 24 V auxiliary output for encoder supply
Input frequencies up to 1 MHz
Linearization with 24 interpolation points
Numerous features, e. g. scaling, filtering, start-up suppression
3.78 x 1.89 inch (96 x 48 mm) norm panel housing and IP65 protection
Available options:
DX350: Basic unit with HTL inputs (A, B), 3 control inputs
DX355: Basic unit with HTL/RS422 inputs (A, /A, B, /B), 3 control inputs
Option AC: Power supply 115 … 230 VAC
Option AO: 16 bit analog output, 4 control outputs, serial RS232 interface
Option AR: 16 bit analog output, 4 control outputs, serial RS485 interface
Option CO: 4 control outputs, serial RS232 interface
Option CR: 4 control outputs, serial RS485 interface
Option RL: 2relay outputs
Options can be combined

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Die deutsche Beschreibung ist verfügbar unter:
https://www.motrona.com/fileadmin/files/bedienungsanleitungen/Dx350_d.pdf
The English description is available at:
https://www.motrona.com/fileadmin/files/bedienungsanleitungen/Dx350_e.pdf
La description en français est disponible sur:
https://www.motrona.com/fileadmin/files/bedienungsanleitungen/Dx350_f.pdf
The operator software OS 6.0 (freeware) is available at:
https://www.motrona.com/en/support/software.html
Version:
Description
DX350_01a_oi/sn- tg /Jul-20
First Version
DX350_01d_oi/cn/Okt-16
Revised first Version
DX350_02a_oi/cn/Nov-16
Second Version
DX350_02c_oi/cn/Jan-17
Revised Version
DX350_03a_oi/cn/Apr-17
Revised Version
DX350_03b_oi/cn/Jun-17
Other small changes
DX350_04a_oi/cn/Sep-17
Extension DX355, software customization
DX350_05a_oi/cn/April-18
Extension of serial interface with Modbus protocol
DX350_05b_oi/cn/June-18
Addendum to Modbus et accuracy
DX350_05c_oi/cn/July-18
With Modbus description
DX350_06a_oi/tgo/Mar-19
Extension of large display, total counter and total time measurement
DX350_06b_oi/mbo/Aug-19
Extension of QR-code
DX350_06c_oi/tgo/Nov-19
Extension of the “Preselection Mode” and “Input Action”
DX350_06d_oi/mbo/July-20
Extension of chapter 1.4 “EMC Guidelines”, various revisions

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Legal notices:
All contents included in this manual are protected by the terms of use and copyrights of motrona GmbH.
Any reproduction, modification, usage or publication in other electronic and printed media as well as in the
internet requires prior written authorization by motrona GmbH.

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Table of Contents
Safety Instructions and Responsibility ..........................................................................6
General Safety Instructions.............................................................................................................6
Use according to the intended purpose ..........................................................................................6
Installation.......................................................................................................................................7
EMC Guidelines ...............................................................................................................................8
Cleaning, Maintenance and Service Notes ....................................................................................8
Introduction ..................................................................................................................9
Operation mode ...............................................................................................................................9
Function diagram ...........................................................................................................................10
Electrical Connections ................................................................................................11
DC Power Supply ...........................................................................................................................11
Auxiliary Voltage Output ...............................................................................................................11
DX350: Incremental Input A, B......................................................................................................12
DX355: Incremental Input A, /A, B, /B ..........................................................................................13
Control Inputs ................................................................................................................................14
Analog Output (Option AO/AR) .....................................................................................................14
Serial interface (Option AO/AR/CO/CR)........................................................................................15
Control-Output (AO/AR/CO/CR) ....................................................................................................15
AC Power supply (Option AC)........................................................................................................16
Relay-Output (Option RL)...............................................................................................................16
Display and touch screen............................................................................................17
Screen structure for parametrization ............................................................................................17
Screen structure in operation........................................................................................................18
Error messages ..............................................................................................................................19
Parameter / Overview-Menu Structure .......................................................................21
General Menu................................................................................................................................23
Mode Speed ..................................................................................................................................26
Mode Process Time .......................................................................................................................28
Mode Timer ...................................................................................................................................30
Mode Counter................................................................................................................................32
Mode Velocity................................................................................................................................34
Preselection Values .......................................................................................................................36
Preselection 1 Menu......................................................................................................................37
Preselection 2 Menu......................................................................................................................41
Preselection 3 Menu......................................................................................................................42
Preselection 4 Menu......................................................................................................................43
Serial Menu ...................................................................................................................................44
Analog Menu .................................................................................................................................46
Command Menu ............................................................................................................................48
Display Menu.................................................................................................................................50
Linearization Menu........................................................................................................................53
Appendix ....................................................................................................................54
Data readout via serial interface ..................................................................................................54
Modbus RTU Interface...................................................................................................................55
Parameter setting.................................................................................................................................................55
Modbus Communication ......................................................................................................................................56

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Diagnostics ...........................................................................................................................................................57
Parameter / serial codes ...............................................................................................................58
Linearization ..................................................................................................................................63
Dimensions ....................................................................................................................................65
Technical specifications ................................................................................................................66

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Safety Instructions and Responsibility
General Safety Instructions
This operation manual is a significant component of the unit and includes important rules and hints about the
installation, function and usage. Non-observance can result in damage and/or impairment of the functions to
the unit or the machine or even in injury to persons using the equipment!
Please read the following instructions carefully before operating the device and observe all safety and
warning instructions! Keep the manual for later use.
A pertinent qualification of the respective staff is a fundamental requirement in order to use these manual.
The unit must be installed, connected and put into operation by a qualified electrician.
Liability exclusion: The manufacturer is not liable for personal injury and/or damage to property and for
consequential damage, due to incorrect handling, installation and operation. Further claims, due to errors in
the operation manual as well as misinterpretations are excluded from liability.
In addition the manufacturer reserves the right to modify the hardware, software or operation manual at any
time and without prior notice. Therefore, there might be minor differences between the unit and the
descriptions in operation manual.
The raiser respectively positioner is exclusively responsible for the safety of the system and equipment where
the unit will be integrated.
During installation or maintenance all general and also all country- and application-specific safety rules and
standards must be observed.
If the device is used in processes, where a failure or faulty operation could damage the system or injure
persons, appropriate precautions to avoid such consequences must be taken.
Use according to the intended purpose
The unit is intended exclusively for use in industrial machines, constructions and systems. Non-conforming
usage does not correspond to the provisions and lies within the sole responsibility of the user. The
manufacturer is not liable for damages which have arisen through unsuitable and improper use.
Please note that device may only be installed in proper form and used in a technically perfect condition (in
accordance to the Technical Specifications). The device is not suitable for operation in explosion-proof areas
or areas which are excluded by the EN 61010-1 standard.

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Installation
The device is only allowed to be installed and operated within the permissible temperature range. Please
ensure an adequate ventilation and avoid all direct contact between the device and hot or aggressive gases
and liquids.
Before installation or maintenance, the unit must be disconnected from all voltage-sources. Further it must be
ensured that no danger can arise by touching the disconnected voltage-sources.
Devices which are supplied by AC-voltages must be connected exclusively by switches, respectively circuit-
breakers with the low voltage network. The switch or circuit-breaker must be placed as near as possible to the
device and further indicated as separator.
Incoming as well as outgoing wires and wires for extra low voltages (ELV) must be separated from dangerous
electrical cables (SELV circuits) by using a double resp. increased isolation.
All selected wires and isolations must be conform to the provided voltage- and temperature-ranges. Further all
country- and application-specific standards, which are relevant for structure, form and quality of the wires,
must be ensured. Indications about the permissible wire cross-sections for wiring are described in the
Technical Specifications.
Before first start-up it must be ensured that all connections and wires are firmly seated and secured in the
screw terminals. All (inclusively unused) terminals must be fastened by turning the relevant screws clockwise
up to the stop.
Overvoltages at the connections must be limited to values in accordance to the overvoltage category II.

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EMC Guidelines
All motrona devices are designed to provide high protection against electromagnetic interference. Nevertheless
you must minimize the influence of electromagnetic noise to the device and all connected cables.
Therefore the following measures are mandatory for a successful installation and operation:
Use shielded cables for all signal and control input and output lines.
Cables for digital controls (digital I/O, relay outputs) must not exceed a length of 30 m and are allowed for in
building operation only
Use shield connection clamps to connect the cable shields properly to earth
The wiring of the common ground lines must be star-shaped and common ground must be connected to earth
at only one single point
The device should be mounted in a metal enclosure with sufficient distance to sources of electromagnetic
noise.
Run signal and control cables apart from power lines and other cables emitting electromagnetic noise.
Please also refer to motrona manual “General Rules for Cabling, Grounding, Cabinet Assembly”. You can download
that manual by the link
https://www.motrona.com/en/support/general-certificates.html
Cleaning, Maintenance and Service Notes
To clean the front of the unit please use only a slightly damp (not wet!), soft cloth. For the rear no cleaning is
necessary. For an unscheduled, individual cleaning of the rear the maintenance staff or assembler is self-
responsible.
During normal operation no maintenance is necessary. In case of unexpected problems, failures or
malfunctions the device must be shipped for back to the manufacturer for checking, adjustment and reparation
(if necessary). Unauthorized opening and repairing can have negative effects or failures to the protection-
measures of the unit.

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Introduction
This series of display unit is suitable for HTL impulse signals and panel mounting. It is very versatile in use,
due to the intuitive handling and the extensive range of functions and options.
Operation mode
All functions are can be configured in the parameter menu.
The device can be set to one of the following operation modes:
• SPEED (only Input A or Input B are used, depending on the parameter setting)
-Tachometers / speed indicator
-Measurement of frequency / RMP indicator
-Monitoring functions for speed and standstill
• PROCESS TIME (only input A is used)
-Processing time indicator (reciprocal speed)
-Baking time indicator
-Flow time indicator
• TIMER (only Input A or Input B are used, depending on the parameter setting)
-Operation as stopwatch (start- / stop function can be freely parameterized)
-Counter for operation hours
-Period measurement
-Total time measurement
•COUNTER (input A and input B are used)
-Pulse counter / sum or differential counter
-Up- or down counter
-Position indicator
-Quadrature counter
-Batch counter / total counter
• VELOCITY (Input A operates as a start input and input B operates as a stop input)
-Runtime measurement as speed indicator.

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Function diagram

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Electrical Connections
The terminal screws should be tightened with a slotted screwdriver (blade width 2mm).
DX350 DX355
DC Power Supply
The unit accepts DC supply from 18 to 30 V at the terminals 1 and 2. The power consumption depends on the
level of the supply voltage with aprox. 100 mA and the additional current required at the Auxiliary Voltage
Output.
All GND terminals are internally interconnected.
Auxiliary Voltage Output
Terminal 3 and 4 provide an auxiliary output for supply of sensors and encoders.
The output voltage depends on the power supply.
DC version
AC version
The encoder voltage is approx. 1 V lower than
the power supply voltage at terminal 1 and 2
and should be loaded with max. 250 mA.
The encoder voltage is 24 VDC (± 15%) and
should be loaded with max. 150 mA up to 45
degrees Celsius. At higher temperature the
maximum output current is reduced to 80 mA.
At DX355 devices, the auxiliary voltages output is switchable from 24 VDC to 5 VDC.

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DX350: Incremental Input A, B
The unit provides two inputs at terminal 5 and 7 for HTL signals.
The characteristics of the incremental input (PNP, NPN, Namur or Tri-State) can be set in the GENERAL MENU.
Wiring of the incremental inputs:
PNP
NPN
Namur
Tri-State
Unconnected PNP inputs are always “LOW” and unconnected NPN inputs are always “HIGH”.
All inputs are designed to receive impulses from electrical impulse sources.
Notice for mechanical switching contacts:
When exceptionally mechanical contacts are used, please connect an external capacitor between GND (-) and
the corresponding input (+). A capacity of 10 µF will reduce the input frequency to
20 Hz and miscounting due to contact bouncing will be eliminated.

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DX355: Incremental Input A, /A, B, /B
The unit provides two pulse inputs at terminal 5, 6, 7 and 8 for HTL/RS422 signals.
The characteristics of the incremental input can be set in the GENERAL MENU.
Wiring of the incremental inputs:
RS422
HTL DIFFERENTIAL
HTL PNP, single ended
HTL NPN, single ended
Unconnected PNP inputs are always “LOW” and unconnected NPN inputs are always “HIGH”.
All inputs are designed to receive impulses from electrical impulse sources.

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Control Inputs
The three control inputs at terminal 10, 11 and 12 have HTL PNP characteristics.
In the COMMAND MENU the programmable functions for the control inputs can be assigned. Available
functions are: reset the display value, display switching, locking the touch screen or release the lock function
of the control or relay outputs.
Wiring of the control inputs:
Unconnected control inputs are always “LOW”.
All inputs are designed to receive impulses from an electronic impulse source.
Notice for mechanical switching contacts:
When exceptionally mechanical contacts are used, please connect an external capacitor between GND (-) and
the corresponding input (+). A capacity of 10 µF will reduce the input frequency to
20 Hz and miscounting due to contact bouncing will be eliminated.
Analog Output (Option AO/AR)
A 16 bit analog output is available at terminal 13 and 14 / 15
This output can be configured and scaled in the ANALOG MENU.
The following configuration is possible:
•Voltage output: -10 … +10 V
•Current output: 0 … 20 mA
•Current output: 4 … 20 mA
The analog output is proportional to the reference source and is referenced to potential AGND.
AGND and GND are internally interconnected.
Important:
A parallel operation with voltage and current output at the analog output is not allowed.

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Serial interface (Option AO/AR/CO/CR)
A serial interface (RS232 or RS485) is available at terminal 16, 17 und 18.
This interface can be configured in the SERIAL MENU.
The serial interface RS232 or RS485 can be used:
for easy setup and commissioning of the units
to modify settings and parameters during operation
to read out internal states and actual measuring values by PC or PLC
The following drawing shows the connection to a PC by using a standard Sub-D-9 connector:
Connection of the RS232 interface:
Connection of the RS485 interface:
Control-Output (AO/AR/CO/CR)
Four control outputs are available at terminal 20, 21, 22 and 23.
Switching conditions can be set in the PRESELECTION MENU. The output Ctrl. Out1 –4 are fast PNP outputs
with a switching capability of 5 –30 Volt / 200 mA per channel. The switching states is displayed (display
with unit and status bar) as C1 … C4.
The switching voltage of the outputs must be applied to input terminal 19 (COM+).
In case of switching inductive loads it is advisable to use external filtering of the coils.

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Wiring of the control-outputs:
AC Power supply (Option AC)
The unit accepts AC supply from 115 to 230 V at the terminals 24 and 25. The power consumption depends on
the level of the supply voltage with aprox. 3VA and the additional current required at the auxiliary voltage
output.
Devices with option AC can also be supplied with a DC voltage between 18 and 30 VDC at terminals 1 and 2.
Relay-Output (Option RL)
Two relay outputs with potential-free changeover contacts are available at terminal 27, 28, 28, 30, 31, 32.
Switching conditions can be set in the PRESELECTION MENU. The switching states are displayed (display with
unit and status bar) as K1 and K4.
AC-switching capacity max. 250 VAC/ max. 3 A / 750 VA
DC-switching capacity max. 150 VAC/ max. 2 A / 50 W
Wiring of the relay outputs

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Display and touch screen
Screen structure for parametrization
The parameter menus and the parameters are described in chapter 5.
Start setup procedure:
To edit the parameters,
press the touchscreen for 3 seconds.
Menu selection:
Select the parameter menu via arrow buttons and
confirm with “OK”.
The menu selection can be terminated
with „C“.
Parameter selection:
Select the parameter via arrow buttons and
confirm with „OK“.
The parameter selection can be terminated with
„C“.
Parameter editing:
Edit the parameter via arrow button up and down,
shift cursor via left and right and save with „OK“.
The parameter editing can be terminated with
„C“.
Parameter changes becomes active only after closing the menu selection.

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Screen structure in operation
The following screens are available during operation. Depending on the device version and the selected
operation mode, not all displays will be shown.
Display with unit and status bar
To switch to the next display,
press the touch screen.
Control - or Relay status are only shown with
Option AO, CO, RL.
Display counter and batch- / total counter
or timer and total timer
To switch to the next display, press the top of the
screen.
This is only possible in operation mode COUNTER
A+B, A-B or BATCH / TOTAL MODE is active or in
operation mode TIMER –TOTAL TIME MODE is
active.
Two-line display with units
To switch to the next display, press the top of the
screen.
This is only possible in operation mode COUNTER
A+B, A-B or BATCH / TOTAL MODE is active or in
operation mode TIMER –TOTAL TIME MODE is
active.
Large Display (4 digits)
To switch to the next display, press the top of the
screen.
This is only possible with activated parameter
„LARGE DISPLAY“.
Display with command keys
To switch to the next display, press the top of the
screen.
This is only possible in operation mode TIMER or
COUNTER.

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Continuation „Screen structure in operation“:
Display for quick start for enter preselection values
(PRESELECTION VALUES)
To switch to the next display, press the top of the
screen or the “skip” button.
This is only possible with option AO, CO, RL
Display with minimum and maximum value
To switch to the next display, press the top of the
screen or the “skip” button.
Error messages
ERROR: MAXIMUM DISPLAY VALUE
The display value of the single-line display is
greater than + 99 999 999
ERROR: MINIMUM DISPLAY VALUE
The display value of the single-line display is less
than - 99 999 999
ERROR: MAX. TOP DISPLAY VALUE
Top display value of the two-line display is
greater than + 99 999 999

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Fortsetzung „Error messages“:
ERROR: MIN. TOP DISPLAY VALUE
Top display value of the two-line display is less
than - 99 999 999
ERROR: MAX. DOWN DISPLAY VALUE
Down display value of the two-line display is
greater than + 99 999 999
ERROR: MIN. DOWN DISPLAY VALUE
Down display value of the two-line display is less
than - 99 999 999
ERROR: MAX. LARGE DISPLAY VALUE
The display value of the large display is greater
than + 9999
ERROR: MIN. LARGE DISPLAY VALUE
The display value of the large display is less than
–999
The error messages described are automatically reset as soon as the corresponding display
value is within the representable range.