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Ditel MICRA-M MAX User Manual

Dpm for process control with webserver, bt and mqtt
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ESPAÑOL
CONTROLADOR DE PROCESOS con Webserver, BT y MQTT
MANUAL TÉCNICO ............................................................................................... 2/60
FRANÇAIS
AFFICHEUR DE PROCESS avec Webserver, BT et MQTT
MANUEL UTILISATEUR ..................................................................................... 61/118
ENGLISH
DPM for PROCESS CONTROL with Webserver, BT and MQTT
USER MANUAL .................................................................................................119/177
KOSMOS SERIE
DISEÑOS Y TECNOLOGÍA, S.A.
Xarol, 6-B
P.I. Les Guixeres
www.ditel.es
08915 Badalona - Spain.
MICRA-M MAX
MICRA-M MAX
Tel. +34 933 394 758
Fax +34 934 903 145
Email: comercial@ditel.es ; web:
www.ditel.es
20250310

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  • Page 1 DPM for PROCESS CONTROL with Webserver, BT and MQTT USER MANUAL …………………………………………………………………………………….119/177 DISEÑOS Y TECNOLOGÍA, S.A. Tel. +34 933 394 758 Xarol, 6-B P.I. Les Guixeres Fax +34 934 903 145 KOSMOS SERIE www.ditel.es 08915 Badalona - Spain. Email: comercial@ditel.es ; web: www.ditel.es 20250310...
  • Page 2 DISPLAY CONFIGURATION by WEB SERVER ..............125 SETPOINT CONFIGURATION by WEB SERVER ............... 126 COMMUNICATIONS CONFIGURATION by WEB SERVER ..........127 DITEL CONNECT APP ....................128 API REST MICRAMAX .................... 129/130 MQTT (Exploring the Essencial for IoT Communication) ........... 131/132 MQTT CONFIGURATION by WEB SERVER ..............

  • Page 3: Symbol Identification

    MICRA-M MAX MICRA-M MAX Overview MICRA-M MAX is a versatile instrument equipped with Web Server, Bluetooth and MQTT capabilities. It can be configured for various types of inputs: Control Options : • PROCESS Input : Voltage (V), Current (mA) The MICRA-M MAX supports multiple control output •...

  • Page 4: Maintenance

    MICRA-M MAX MAINTENANCE To ensure the precision of the instrument, it is advisable to verify its compliance with the technical specifications contained in this manual. Regular calibrations should be performed at intervals determined by the specific usage criteria of each application.

  • Page 5: Getting Started

    Programming can also be done through a PC using the built-in web server and the configuration API, or through Bluetooth for Smartphone with the DITEL Connect APP that can be downloaded from our portal micramax.ditel.es Programming lock-out Total or selective lock-out of programmed parameters can be done via web server or local keyboard.

  • Page 6: Web Server

    " http:// " followed by the IP address. Before you can begin configuring your Micra-M MAX device via webserver, you must log in to the software using your account credentials. This ensures secure access to your device settings and configurations.
  • Page 7 MICRA-M MAX INPUT CONFIGURATION by WEB SERVER Accessing Input Type Configuration To configure the input type: Navigate to the "Input Type" section from the main dashboard. You will see three main input categories: Process, Load Cell, and Temperature. Each category is designed to match specific measurement types and scenarios.

  • Page 8: Linearisation Points

    MICRA-M MAX DISPLAY CONFIGURATION by WEB SERVER Micra-M MAX The Display Settings in the software allow for detailed customization of how data is shown on your device, enhancing user interaction based on the specific needs of your application. This section covers how to adjust these settings for the best user experience.
  • Page 9 MICRA-M MAX SETPOINT CONFIGURATION by WEB SERVER Micra-M MAX software allows the configuration of up to four setpoints, providing flexibility in how the de- vice reacts under specific conditions. This section explains how to set up and customize each setpoint Accessing Setpoint Configuration Action Mode: Select "High"...

  • Page 10: Ethernet Configuration

    MICRA-M MAX COMMUNICATIONS CONFIGURATION by WEB SERVER The Communications menu provides the interface for configuring the communications of a specific device, offe- ring options for configuring Ethernet, Bluetooth, and MQTT. Ethernet Configuration Bluetooth Configuration This section allows the user to configure the IP address, Allows the user to configure the device name.
  • Page 11 • Analog output parameters • Communication protocol and interface PAIRING To pair a Bluetooth device to MICRA-M MAX, we have to press the ENTER key, display shows -Pro- and then press for 3 sec the central MAX/MIN key. A 5-digit number will appear for two minutes that we must use at the time of pairing.

  • Page 12: Use Cases

    MICRA-M MAX API REST MICRA MAX INTRODUCTION API Purpose The purpose of this API is to provide a REST application programming interface (API) to facilitate communication and data exchange between different systems. This API has been developed with the objective of allowing developers to access and manipulate certain resources and specific functionalities of our system or application in an efficient and secure manner.

  • Page 13: Application Methods

    MICRA-M MAX API REST MICRA MAX AUTHORIZATION Authorization to access the API is done through a Token, which must be included in the request header with the name "X-DTpanel". The Token or password necessary for authorization is defined within the Micra MAX device webserver on communi- cations menu.
  • Page 14 MICRA-M MAX MQTT (Exploring the Essencials for IoT Communication) INTRODUCTION TO THE MQTT PROTOCOL The MQTT (Message Queuing Telemetry Transport) Protocol is a lightweight and efficient messaging protocol, widely used in the Internet of Things (IoT). Its design facilitates communication in environments where low latency, minimal bandwidth consumption, and energy efficiency are required, which is essential for connected devices with limited resources.

  • Page 15: Configuration Steps

    Username and Password: These credentials are required for authentication with the broker. Setting Up a Broker Account To utilize our MQTT server for the Micra MAX, users must create an account at broker.ditel.es. This account allows users to manage their device connections securely and to handle the data transmitted via MQTT.
  • Page 16 MICRA-M MAX MQTT CONFIGURATION Go to our portal micramax.ditel.es and then select : MQTT Ditel Cloud Password: Log in with email The password must and password contain at least for enter to : 1 uppercase letter, MQTT Broker 1 lowercase letter...
  • Page 17 MICRA-M MAX MQTT CONFIGURATION MQTT Set Up These are the instructions for configuring your device and connecting it to our system. You will need to acces your device through the web server and navigate to the communications section. Within this section, you will find fields to complete, such as the MQTT server, username, and password.

  • Page 18: Billing Information

    MICRA-M MAX MQTT CONFIGURATION Billing Information name name@domain.es In Billing Information we must enter the data that will appear on the generated invoice if we have contracted a service such as MQTT Data Plan. Next we will have to choose a Payment Methode.
  • Page 19 If you select Free Plan, you must enter the Coupon Code that is delivered with each of the units of Subscribing MICRA-M MAX, this code decrypts the Serial Number of the device, when “ ” it is generated on the screen MQTT Devices the device and allows you to view the display value, but not the history.
  • Page 20 MICRA-M MAX MQTT CONFIGURATION Invoice History name name@domain.es If you select Invoice History you will obtain an invoice history with the following details: • Invoice No., Invoice Date, Due Date, Amount • Name of the Service, Status (pending payment or paid), Payment method.
  • Page 21 MICRA-M MAX MQTT CONFIGURATION Data Acces name name@domain.es Finally, by selecting Data Access you will obtain complete information about the selected device with: • History of measurements with date and time according to the Selected Plan • Graphs showing the evolution of the supervised variable •...

  • Page 22: Configuration Options

    MICRA-M MAX ANALOG OUTPUT CONFIGURATION by WEB SERVER Micra-M MAX The analog output settings in the software enable the device to output analog signals corresponding to measured values, facilitating integration with external control systems or recording devices. This section guides you through the configuration process.
  • Page 23 LOGIC FUNCTION CONFIGURATION by WEB SERVER The Micra-M MAX software provides the ability to configure logic functions, enhancing the device's interactivity and responsiveness to user inputs. This section guides you through configuring these functions for Pins 2, 3, and 4.
  • Page 24 LOCK OUT PROGRAMMING by WEB SERVER • To safeguard your device's programming configurations, the Micra-M MAX software includes a program lock featu- re. This function restricts access to critical programming settings, ensuring only authorized users can make changes. Accessing Program Lock Configuration From the main dashboard, navigate to the "Programing Lock"...
  • Page 25 MICRA-M MAX FACTORY RESET by WEB SERVER Micra-M MAX A factory reset restores the software to its original settings, erasing all custom configurations. This data. procedure should be used cautiously, as it will remove all current settings and Initiating Factory Reset Navigate to the "Factory Reset"...
  • Page 26 MICRA-M MAX PROGRAMMING MODE by KEYBOARD First, plug the instrument to the corresponding supply, automatically a display test will be done and after that the soft- ware version will be shown then the instrument will go to work mode. Second, press the key to enter into the programming mode, the indication "-Pro-"...
  • Page 27 MICRA-M MAX POWER SUPPLY and CONNECTORS WARNING: If not installed and used in accordance with these instruc- tions, protection against hazards may be impaired. In order to guarantee the electromagnetic compatibility, the following guide- lines should be kept in mind: Power supply wires may be routed separated from signal wires.
  • Page 28 MICRA-M MAX Programming guide The different steps to be followed for a correct programming of each type of function are detailed below. The reading and application of some paragraphs are obligatory (O), recommendable (R) or optional (op). As Process indicator: As thermometer Pt100: 1.
  • Page 29 MICRA-M MAX PROCESS INPUT PROGRAMMING by KEYBOARD As process indicator it is designed to measure all kinds of process variable with direct indications in engineering units. The parameter to configure as process indicator is the input type, in volts in a -10 V to 10 V range and in milliam- peres in a -20 mA to 20 mA range.
  • Page 30 - IN (mA) - IN (mA) - IN (mA) If the excitation supplied by MICRA-M MAX to the transducer has to be 10 or 5 V connect the + EXC wire to PIN3 instead of PIN2 WIRING DIAGRAM FOR INPUT V (±0-10 V)
  • Page 31 MICRA-M MAX LOAD CELL INPUT PROGRAMMING by KEYBOARD Refer to cell manufacturer’s documentation, particularly with respect to the cell sensitivity and supply voltage specifications. As load cell indicator the meter’s function is to measure forces (weight, pressure, torque...) applied to a disposi- tive connected to several bridge type transducers such as load cell, which supply signal levels up to ±150 mV.
  • Page 32 MICRA-M MAX Pt100 INPUT PROGRAMMING by KEYBOARD When configuring the meter as thermometer for 3 wires Pt100 sensors, the temperature ranges and resolution available are: Input Range (res. 0.1 º) Range (res. 1º) -200.0 to +800.0 ºC -200 to +800 ºC Pt100 -328.0 to +1472.0 ºF...
  • Page 33 MICRA-M MAX THERMOCOUPLE INPUT PROGRAMMING by KEYBOARD When configuring the meter for thermocouple input, the temperature ranges and resolution available are : Input Range (res. 0,1 º) Range (res. 1º) -150,0 to +1100,0 ºC -150 to +1100 ºC Thermocouple J -238,0 to +2012,0 ºF...
  • Page 34 MICRA-M MAX DISPLAY CONFIGURATION by KEYBOARD Note: the color selection of the alarms is made in the setpoints menu Set input linearisation by pressing ENTER for more than 3 s SCALING It is only necessary to scale the meter when it has been configured for process o load cell.
  • Page 35 MICRA-M MAX SCALE PROGRAMMING by KEYBOARD There are two methods for programming the scale, the SCAL method and the tEACH method. In the following diagram the SCAL menu has been developed an an example, it is exactly the same menu than the tEACH menu.

  • Page 36: Input Error

    MICRA-M MAX Filter P Filter of ponderated average. The value will be modified through the key. This parameter will set in reverse order the cut-off frequency of the low pass filter, getting the filter deactivated for 0 value. Not available when the instrument is configured for temperature measurement.

  • Page 37: Keyboard Functions

    MICRA-M MAX KEYBOARD FUNCTIONS Several functions can be controlled via keyboard that will produce different actions depending on the instrument operating mode: Mode -RUN-: TARE and RESET TARE functions Explained in the previous paragraph. MAX/MIN function Activated after pressing on the key.

  • Page 38: Connector Functions

    MICRA-M MAX CONNECTOR FUNCTIONS The connector CN3 provides 3 optocoupled inputs that can be operated from contacts logic levels supplied by an exter- nal electronic system. Three different functions may be then added to the functions available from the front panel keys.
  • Page 39 Example: MICRA-M MAX with NET value of 1234.5 Message in Hexadecimal sent from the MICRA-M MAX RS4 output when logic function 5 is activated. The chain of characters is: "#", ”01”, 0x0D, “NET: +1234.5”, 0x0D The MICRA-M MAX has to be programmed to work under protocol ASCII.

  • Page 40: Security Menu Diagram

    MICRA-M MAX LOCK OUT PROGRAMMING by KEYBOARD The instrument is delivered with the programming locked out, giving access to all the programming levels. Once completed the instrument programming we recommend the following security measures be taken: • Lock out the programming access to prevent from programmed parameters modifications.
  • Page 41 MICRA-M MAX SECURITY MENU DIAGRAM 0 allows its programming >3S? ENTER ENTER 1 locks the access to programming * Only appear if the corresponding op- tions have been installed (param list) (total lock) KOSMOS SERIE www.ditel.es...

  • Page 42: Output Options

    MICRA-M MAX OUTPUT OPTIONS Optionally, model MICRA-M MAX can incorporate one or several output options for control or communication: Communication options RS2 Serial RS232C RS4 Serial RS485 ETH Ethernet (included in basic model) Control options NMA Analog 4-20 mA NMV Analog 0-10 V...
  • Page 43 MICRA-M MAX SETPOINTS OUTPUTS Introduction An option of 2 or 4 SETPOINTS, programmable within the full display range, can be incorporated to the unit thus providing alarm and control capabilities by means of individual LED indicators and relay or transistor outputs. All the setpoints provide independently programmable value, time delay (in seconds), asymmetrical or symmetrical hysteresis (in counts of display) and selectable HI/LO acting.

  • Page 44: Installation

    MICRA-M MAX INSTALLATION Lift out the electronics assembly from the case and use a screw-driver to push on the junctions between the case and the shadow areas to detach them from the case. See fig. The so performed orifice will allow any of the set- points (2RE, 4RE, 4OP or 4OPP) board output connectors be brought out at the rear of the instrument.
  • Page 45 MICRA-M MAX SETPOINTS TECHNICAL SPECIFICATIONS CHARACTERISTICS 2RE OPTION 4RE OPTION MAX. CURRENT (RESISTIVE LOAD) MAX. POWER 2000 VA / 192 W 1250 VA / 150 W MAX. VOLTAGE 250 VAC / 150 VDC 277 VAC / 125 VDC CONTACT RESISTANCE Máx.
  • Page 46 / offset). Only the display value can be called up via external contact. Three communication modes are available; the ASCII mode uses a simple protocol compatible with several DITEL instruments. The ISO mode, in accordance with the ISO 1745 norm, allows a more effective communication in noisy environments as it checks the messages validity checking both transmission and reception.
  • Page 47 MICRA-M MAX ETHERNET OUTPUT CONFIGURATION by KEYBOARD Compatible with most commonly used Ethernet standards; 100BASET-T and 10BASE-T which are automatically detec- ted or transmission mode, full-duplex or half-duplex. ETHERNET output configuration menu EtnEt IP assignement “IP address”, for example: (10.0.0.40) IPAdr Enter “10”...
  • Page 48 MICRA-M MAX ASCII PROTOCOL The Transmission format is: 1 START bit, 8 DATA bits, NO parity bit and 1 STOP bit. • MESSAGE FORMAT TO BE SENT A message sent to the instrument must be composed of the following sequence of ASCII characters: X ......
  • Page 49 MICRA-M MAX • MESSAGE FORMAT FROM INSTRUMENT The format of a message as sent from the instrument in response to a command from the master device is the following: 1. In case of commands that ask for transmission of a value (data request type): X ....
  • Page 50 MICRA-M MAX MODIFICATION OF DATA ASCII Parameter Change the setpoint1 value without saving in memory Change the setpoint2 value without saving in memory Change the setpoint3 value without saving in memory Change the setpoint4 value without saving in memory Change brightness to "Hi" level without saving in memory Change brightness to "Lo"...
  • Page 51 MICRA-M MAX MODBUS – RTU COMMANDS and MAP ADRESSES Commands Add display value to tare memory and set the display to zero. “t” Tare Sample of frame in hexadecimal for unit nº 1 : 01 05 00 74 FF 00 CC 20 Add the tare value to the display value and clear the tare memory.
  • Page 52 MICRA-M MAX MODBUS – RTU MAP ADRESSES Digit 4 Digit 1 Digit 3 Digit 0 Input 9 [5] Digit 2 Digit 4 Digit 1 Digit 3 Digit 0 Display 4 [5] Digit 2 Digit 4 Digit 1 Digit 3 Digit 0...
  • Page 53 MICRA-M MAX MODBUS – RTU MAP ADRESSES Digit 3 Digit 1 Digit 2 Digit 0 0=Amber, Digit 1 Mode RUN Color 1=Red, 2=Green Digit 0 0=Amber, Mode PROG Color 1=Red, 2=Green Digit 4 Brightness 0=HI, 1=LO Digit 3 ECO Mode...
  • Page 54 MICRA-M MAX MODBUS – RTU MAP ADRESSES Digit 1 reserved Digit 0 ON/OFF Setpoint 1 0=OFF, 1=ON Digit 4 (if Hysteresis) ON/OFF Setpoint 2 0=OFF, 1=ON Digit 3 (if Hysteresis) Setpoint 1 ON/OFF Setpoint 3 0=OFF, 1=ON Delay/ Digit 2 (if Hysteresis)
  • Page 55 MICRA-M MAX MODBUS – RTU MAP ADRESSES Setpoint 3 Com- reserved 0=Net, 1=Gross parison Value On Error Analogue Setpoint 4 Com- 0=HI, 1=LO 0=Net, 1=Gross Output parison Value Digit 3 0=No Change, Setpoint 1 Color 1=Amber, 2=Red, Digit 2 3=Green...
  • Page 56 MICRA-M MAX MODBUS – RTU MAP ADRESSES 0=99999, Programming Data (Read Only) 1=9999.9, Display Decimal Point 2=999.99, IPAddress [0] 3=99.999, 4=9.9999 IPAddress [1] IP adress Ethernet 0=99999, Port 1=9999.9, IPAddress [2] Input Decimal Point 2=999.99, IPAddress [3] 3=99.999, 4=9.9999 RS Address [0]...
  • Page 57 MICRA-M MAX MODBUS – RTU MAP ADRESSES installed Options reserved Setpoint 1 Value ( Long Format) Software Version Hardware Ver- 0x6D = “m” sion Dynamic Values (Write Only) Setpoint 2 Value 2272 ( Long Format) 1136 2273 Tare Set Value...
  • Page 58 Introduction Two ranges of analog output (0-10 V y 4-20 mA) can be incorporated to the MICRA-M MAX by means of an addi- tional card, either the NMV card for voltage output or the NMA card for current output, which is installed on the meter's main board via plug-in connector M3, both cards, cannot be used simultaneously.

  • Page 59: Analog Output Options

    MICRA-M MAX ANALOG OUTPUT OPTIONS Technical Specifications CHARACTERISTICS NMA OUTPUT NMV OUTPUT RESOLUTION ............. 13 BITS 13 BITS ACCURACY ........... 0.1% F.S. ±1BIT 0.1% F.E. ±1BIT RESPONSE TIME ............10 ms 10 ms THERMAL DRIFT ............. 0.5 μA/ºC 0.2 mV/ºc MAX.

  • Page 60: Technical Specifications

    Max. error …..………..± (0.1% of the reading+1 digit) FUSES (DIN 41661) ………………………….. Not included Potentiometer minimun value ……………………..200 MICRA-M MAX (230/115V AC) ..F 0.5 A / 250 V MICRA-M6 MAX (24/48V AC) ....F 2 A / 250 V Temperature Input Cold Junction compensation …………..-10 ºC to +60 ºC...

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