iSMA CONTROLLI MVC503R-MB 24 Vac/dc 300 N Modbus User manual

Brand: iSMA CONTROLLI

Model: MVC503R-MB 24 Vac/dc 300 N Modbus

Type: User manual

iSMA CONTROLLI MVC503R-MB 24 Vac/dc 300 N Modbus is a compact and powerful actuator designed for modulating control of 2-way or 3-way motorized valves in HVAC and industrial applications. It features a robust construction, making it suitable for demanding environments.

With its Modbus RTU interface, the MVC503R-MB enables seamless integration into building management systems, allowing for remote monitoring and control. Its advanced control algorithms provide precise positioning and efficient operation of the connected valve.

The actuator offers various configuration options that cater to different system requirements. It supports proportional, floating, and 3-point control modes, ensuring compatibility with a wide range of valve types and control strategies.

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MVC503R-MB Configuration Tool – Product Manual

MVC503R-MB Configuration

Tool

Product manual

Manual of installation and use

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MVC503R-MB Configuration Tool – Product Manual

Table of Contents

1 Introduzione .............................................................................................................. 3

1.1 Revision History .................................................................................................. 3

1.2 Safety rules .......................................................................................................... 3

1.3 Overview .............................................................................................................. 3

2 Installation ................................................................................................................. 3

2.1 Hardware Requirements .................................................................................... 3

2.2 Configurator Installation Procedure ................................................................. 4

2.3 LIBO-USB Serial Converter Installation ............................................................. 4

2.4 Setup .................................................................................................................... 4

3 User Interface ............................................................................................................ 5

3.1 Main Window ...................................................................................................... 5

3.2 “Modbus Communication” ................................................................................. 8

3.3 “Modbus Configuration” Box ........................................................................... 11

3.4 “Actuator Configuration” Box .......................................................................... 11

3.5 “Valve Configuration” Box ................................................................................ 12

3.6 “Actuator Status” Box ....................................................................................... 13

3.7 “Actuator Command” Box ................................................................................ 15

3.8 “Configuration File” Menu ................................................................................ 16

3.9 “Scan” Menu ...................................................................................................... 17

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MVC503R-MB Configuration Tool – Product Manual

1 Introduzione

1.1 Revision History

Rev.

Date

Description

1.0

09.04.2021

1ª Issue

1.1

18.03.2022

Changed user interface background and inserted

logo and pictures iSMACONTROLLI

Table 1. MVC503R-MB Configuration Tool revision history

1.2 Safety rules

1. Install on the power supply line a protecting device to avoid short circuits (fuse

or magneto-thermic) according to the specifications.

2. In case of accidental removal of the cover and/or of the connector cover, make

sure that power is disconnected before working on the actuator or near it.

3. The products are maintenance free.

1.3 Overview

This configuration tool allows to configure and to monitor the MVC503R-MB actuator

for correct commissioning of the

system. The connection between the computer and the actuator is made via a USB /

RS485 converter (LIBO-USB)

with a serial communication bus and ModBus protocol (RTU).

2 Installation

2.1 Hardware Requirements

• Processor: latest generation

• RAM: 2Gbyte

• Operating system: Win7, Win10

• USB-RS485 serial converter (LIBO-USB)

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2.2 Configurator Installation Procedure

The software is provided with a self-installing file: "MVC503R-MB Manager".

After the installation, the software is ready for use.

2.3 LIBO-USB Serial Converter Installation

LIBO-USB is a USB to RS422 / 485 converter. It supports communication with 2/4 wire

RS485.

This device has a removable terminal block for connection to the device and 2 LEDs

that indicate the transmission and reception of data in progress.

To operate in 485 mode it is necessary to set the following DIP-SWITCHES to ON:

1. RS-485 transmission

2. Echo OFF

3. 2-Wire communication

For a Modbus connection with MVC503R-MB, the correct terminals to be used are:

1. TDA (-)

2. TDB (+)

3. GND

The device needs the installation of the drivers either by using the CD-ROM inserted in

the box of LIBO-USB or by downloading the drivers from the network (http://www.bb-

elec.com/USOPTL4).

2.4 Setup

The software can be started through the icon on the Desktop or through the Start →

All path Programs → MVC503RMB Configurator → Configurator menu.

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MVC503R-MB Configuration Tool – Product Manual

3 User Interface

3.1 Main Window

When the software is executed, the following window will be displayed:

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MVC503R-MB Configuration Tool – Product Manual

Figure 1. User interface after the serial converter connection

From the “Settings” menu on the top of the window is possible to select:

• “Read converter parameters”: read the modbus communication parameters of

the converter

• “Write converter parameters”: write the modbus communication parameters

in the converter (the values have to be configured in the comboboxes in the

“Modbus Configuration“ area).

This options allow to set the communication parameters on the PC side (master).

Figure 2. Settings menu

From the “Language” menu on the top of the window it will be possible to change the

language of the Configuration Tool. The selectable languages are: Italian and English.

Figure 3. Language menu

From the menu “Configuration File” it will be possible:

• To load into the actuator the configuration parameters specified in the selected

file (.csv format) only after the modbus connection is successfully

established (“CONNECT” button).

• To save a configuration file including all the values present into the software

interface (values into the areas: Actuator Configuration, Valve Configuration and

modbus parameters (baud rate, parity bit and stop bit)).

• To read from the configuration file the parameters and show them into the

software interface.

For the two last functions the Modbus connection with the actuator is not

required.

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MVC503R-MB Configuration Tool – Product Manual

Figure 4. Configuration File menu

From the “Read Device” menu on the top of the window is possible to read all

information from the device.

Figure 5. Read Device menu

From the “Write Device” menu on the top of the window is possible to write the

configuration values into the device.

Figure 6. Write Device menu

From the menu “Scan” it will be possible to perform a MODBUS scan of the actuators

on the network.

Figure 7. Scan menu

From the “?” menu on the top of the window is possible to know the configuration tool

version.

Figure 8. “?” menu

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MVC503R-MB Configuration Tool – Product Manual

At startup the only selectable Menus are “Language” and “Configuration File”, the

“Scan” menu will be enabled once the “CONNECT” button is clicked and if the

connection was successful.

The available functions of the main window are:

• Connection to the actuator according the MODBUS configuration parameters

(MODBUS CONFIGURATION box).

• Configuration of the actuator (ACTUATOR CONFIGURATION box).

• Configuration of the valve characteristic (VALVE CONFIGURATION box)

• Positioning of the actuator in the stroke range 0-100% and verify the position (0-

100%) (ACTUATOR COMMAND box).

• Verify the operating status of the actuator and possible anomalies (ACTUATOR

STATUS box).

3.2 Modbus Communication

In the top area of the main window under the drop-down menu, the Modbus

communication parameters can be set and verified:

Figure 9. Status modbus communication

• The serial port number (COM Port) which is connected the USB-RS485

converter.

To identify the serial port number connected to the serial converter is necessary

to access at the Windows Control Panel and select “Device Manager”:

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MVC503R-MB Configuration Tool – Product Manual

Figure 10. Windows Control panel to select Device Manager option

Select the field “Port (COM e LPT)” and note the serial port number related to the serial

converter (in the example below: COM4).

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MVC503R-MB Configuration Tool – Product Manual

Figure 11. Device Manager, select Ports (COM and LPT) option

• Modbus address of the device (Modbus Address). Modbus address is selectable

via the first 7 dipswitches of the actuator following the encoding into the

technical manual (example to select address 1, the dip switch n°1 has to be

positioned on ON).

The modification of the modbus address on the device is only active by

switching the actuator off and on again or pressing the button “RESET” on

the manager interface.

• Modbus Status: shows the status of the modbus communication and the

current operation in progress.

• Toggle Button (CONNECTED/DISCONNECTED): allows to connect or disconnect

the serial converter. If the COM port has not been detected this button is not

enable.

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MVC503R-MB Configuration Tool – Product Manual

After press the CONNECT button verify if Modbus Status is OK.

The parameters set in the Modbus Configuration box are requested only the first time

the software and the Serial converter are used.

3.3 “Modbus Configuration” Box

In this box it is possible to set the modbus configuration parameters.

Figure 12. Actuator Modbus configuration

• Baud Rate (selectable between 9600 and 19200).

• Parity Bit (selectable between none, odd and even)

• Stop Bit (selectable 1 or 2)

The default communication parameters are: 9600, No parity and 2 stop bits.

To write the configuration inside the actuator press the “Write Device” button on the

top menu.

3.4 “Actuator Configuration” Box

In this box it is possible to set the following configuration parameters of the actuator:

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MVC503R-MB Configuration Tool – Product Manual

Figure 13. Actuator configuration box

• Action: it allows to select direct or reverse action

• Calibration: it allows to start the stroke calibration of the actuator

Press the “READ” button to read the current status, the select from the drop-

down menu the label “Learning” and press the button “WRITE”. At the end of the

calibration the status Running will be shown again by pressing the “READ”

button.

• Failsafe: it allows to select the emergency return position of the actuator

selectable between “Up” or “Down”.

• Stroke: it allows to set the fixed stroke mode or the automatic calibration mode;

If the fixed stroke mode is selected, the stroke value has to be set in the

Valve Stroke textbox and it’s necessary to press the “Write Device” button

in the top menu to save it.

Make sure that the other 2 parameters in the section mentioned above are the

current ones otherwise the actuator settings will be overwritten.

• Speed: selectable between 5 sec/mm (default) or 3 sec/mm.

Once the configuration parameters described above have been selected, press the

“Write Device” button and verify with the “Read Device” button that the parameters

have been correctly set.

In order to make the parameters changes active, it’s necessary to reset the

actuator through the “RESET”.

3.5 “Valve Configuration” Box

In this box it is possible to set the following configuration parameters of the valve:

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Figure 14. Valve configuration box

• PICV Valve Type: in case the actuator is installed on a LIBRA pressure

independent control valve, it is possible to select the LIBRA range from the drop-

down menu in order to improve flow control.

• Valve Characteristic: it allows to select the characteristic of the LIBRA valve

(linear or equipercentage).

• Stroke Valve [mm]: it allows to read the calibrated stroke value or select the

stroke value in fixed stroke mode.

Once the configuration parameters described above have been selected, press the

“Write Device” button and verify with the “Read Device” button that the parameters

have been correctly set.

In order to make the parameters changes active, it’s necessary to reset the

actuator through the “RESET” button in the “Actuator Status” box.

3.6 “Actuator Status” Box

In this box the actuator status and possible anomalies are shown:

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MVC503R-MB Configuration Tool – Product Manual

Figure 15. Actuator status box shows the information about the actuator status

• Status: it shows the current status of the actuator (initial positioning, calibrating,

up end stroke, down end stroke, up positioning, down positioning) and the led

status on the electronic board.

• First Power-Up: it shows if the actuator has been powered on for the first time.

• Up Position: it shows how many times the actuator stem was in the fully

retracted position.

• Down Position: it shows how many times the actuator stem was in the fully

extended position.

• Stroke Under 2mm: it shows a calculated actuator stroke anomaly during

calibration phase (stroke below 2mm).

• Stroke Over 12mm: it shows a calculated actuator stroke anomaly during

calibration phase (stroke above 12mm).

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MVC503R-MB Configuration Tool – Product Manual

• Low Voltage/Failsafe: it shows the low supply voltage anomaly events as well as

the number of emergency return events.

• High Voltage: it shows the high supply voltage anomaly events.

• Unexpected Stall: it shows the unexpected stall events, that is how many times

a stall has occurred inside the range stroke.

• Extra Stroke: it shows an extra stroke anomaly compared to the calculated

stroke during the calibration phase (stroke out of range).

• FW Version: it shows the actuator firmware version.

Reset Actuator: SW reset of the actuator is executed by pressing the “RESET”

button. Before to send others commands to the actuator it is necessary to wait

the supercap recharge phase is completed. In case of changes in the actuator

configuration parameters, press the “RESET” button to make the changes

immediately effective.

The parameters in the “Actuator Status” box are read at the connection start-up and

every time the label near the textbox is clicked.

The information relating to the “Events” section can be read all 6 simultaneously

by pressing the text “Counters”.

3.7 “Actuator Command” Box

In this box it is possible to set the actuator position in the range of 0-100% and verify

the position (feedback).

Figure 16. Actuator command box

• Command signal: it allows to set the modbus command for the actuator

positioning in the range 0-100%.

Press “Write Device” or the “ENTER” key to send the position command to

the actuator.

• Feedback: allows to verify the current position of the actuator in the range 0-

100%. A value of 110% indicates that the actuator is in emergency return phase,

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MVC503R-MB Configuration Tool – Product Manual

while a value of 120% indicates that the actuator is performing the initial

position/calibration. The current feedback value is read by the software at the

start-up and cyclically every 1.5sec (it’s possible to read the value clicking on the

label “Feedback”). The textbox “Flow Rate PICV” is N.A.

• Flow Rate PICV: in case of “LIBRA” valve selection the percentage of the flow rate

valve is shown, while the textbox “Feedback” shows N.A.

3.8 “Configuration File” Menu

This menu allows to save a .csv file useful for saving the configuration of an actuator

and repeating it later on the same or on others actuators present.

In the drop-down menu are present the following items:

• Load configuration file

• Write configuration file

• Read configuration file

• Load configuration file: it saves into the actuator the parameters collected into

the selected CSV file (make sure a valid connection is open by pressing the

“CONNECT” button before loading a new configuration).

• Read configuration file: it allows to select a configuration file and to show all

the parameters in the proper textboxes.

• Write configuration file: it allows to save the configuration file (CSV) containing

all the configuration parameters.

Read and Write option can be done off-line (no Modbus connection is necessary).

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MVC503R-MB Configuration Tool – Product Manual

Figure 17. Select the configuration file (Write configuration file option)

To upload directly the configuration file parameters to the actuator, select the “Load

configuration file” item by selecting the desired configuration file (to perform this

operation, a successful connection must be done pressing the “CONNECT” button).

3.9 “Scan” Menu

This menu allows to perform a scan of the actuators inside the modbus network:

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MVC503R-MB Configuration Tool – Product Manual

The table in the left part of the windows can show the main actuator information of a

subset of the actuators in the network. The scan can be executed by setting the start

Modbus address and the end Modbus address of the actuator group and pressing the

“READ” button.

In the following example in the Modbus network is present only 1 actuator (modbus

address 1), the one with modbus address 2 is not present and therefore is indicated

N.A. (Not Available)

Figure 18. Scan window to read the main info about the actuators in the Modbus network

iSMA CONTROLLI MVC503R-MB 24 Vac/dc 300 N Modbus User manual

Brand: iSMA CONTROLLI

Model: MVC503R-MB 24 Vac/dc 300 N Modbus

Type: User manual

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iSMA CONTROLLI MVC503R-MB 24 Vac/dc 300 N Modbus User manual

iSMA CONTROLLI MVC503R-MB 24 Vac/dc 300 N Modbus User manual

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