LIMG User manual

(EN)

LIMG

User Manual

Dinacell Electrónica S.L.

Dinacell Electronica S.L. Product notice The information contained by the document is This manual describes the most updated version’s subject to change without notice. The content features of the product to which it refers to. indicated herein should be used as an overview The resources included in this manual refers to the of the product. It should not be construed as LIMG model. a guarantee of quality or durability. Dinacell Not all resources are available in all editions or Electronic shall not be liable for technical or versions of the LIMG. editing errors or omissions contained in this document.

Document Ref.: D1576-10 Publication date: 22/03/2024

Firmware Version: 1.04

For more information www.dinacell.com

INDEX

1 Int r o d u c t i o n ...................................................................................................... 5 1.1 G e n e r a l O v e r v ie w ............................................................................. 5 1.2 M a i n C h a r a c t e r i s t i c s ..................................................................... 5

2 Technical data for the installation ......................................................... 6 2.1 Dimensions and connections diagram .................................... 6 2.2 Electrical specification s .............................................................. 6

3 Internal structure and device management ..................................... 7 3.1 Main Menu Structure ...................................................................... 7 3.2 Keyboard Features ........................................................................ 7

4 Settings Menu .................................................................................................. 8 4.1 Settings Menu ................................................................................... 8 4.2 Information submenu .................................................................. 8 4.3 Calibration submenu ....................................................................... 8 4.4 Alarms submenu ........................................................................... 9

4.5 CAN communication Submenu .................................................. 10 4.6 ADC submenu ................................................................................ 10 4.7 Analog output Submenu ............................................................... 10 4.8 Radio frequency submenu ......................................................... 11 4.9 Display Submenu .......................................................................... 11

5 Tare function ..................................................................................................... 12 5.1 What is Tare function? .................................................................... 12

6 NG Technology ................................................................................................ 12 6.1 What are the advantages? ............................................................ 12 6.2 Firmware update ........................................................................... 12

7 Errors and overflows ..................................................................................... 13

7.1 Error codes .......................................................................................... 13 7.2 Display overflow ............................................................................ 13

8 Quick guide to LIMG installation ............................................................. 14 8.1 Installing the LIMG ............................................................................ 14 8.2 Pre-calibration setup ..................................................................... 14 8.3 Device calibration ............................................................................... 14

8.4 Alarm configuration ....................................................................... 14 8.5 CAN communication configuration ............................................ 14 8.6 Analog outputs ............................................................................... 14 8.7 Radio frequency setting. .................................................................. 14

1 Introduction

1.1 General Overview

The LIMG device, is a load limitation device developed by Dinacell Electronics. It is specially designed for the use on cranes. Commonly used to limit the load on crane bridges with one or two hoists, allowing to control the load of each of them and as a whole.

1.2 Main Characteristics

● Measurement accuracy 0.1%.

● 5-digit display and 8 information LED's .

● Radio frequency communications 868Mhz.

● CAN interface.

● Analog output 0-10V, 0-20mA and 4-20mA.

● Mini USB connection for firmware update.

● NG communication protocol.

● IP50.

ON OFF OFF ON

ON ON

5 O.N O.N O.N O.N O.N O.N WOL.C Am 02-4 CH1 CH2 MOC C.N MOC C.N MOC C.N MOC C.N MOC C.N MOC C.N HGIH.C HC CD/CAV84-42 C.N Technical data for the installation 2.1 Dimensions and connections diagram AL6 AL5 AL4 AL3 AL2 AL1 CAN (1) Mini USB input for firmware update. The display is showing the weight of CHANNEL 1. (2) LED channel indicators. The display is showing the weight of CHANNEL 2. The display is showing the sum of the two channels. (3) Cell signal input channels. - Maximum of 6 cells of 350Ω per channel. - 4-wire+mesh connection. - 3V3 excitation voltage. (4) Button keyboard. 3 keys. (5) Alarm LEDs.(5) Alarm LEDs. 2.2 Electrical specifications Power supply (Alternate or continuous current Continuous input 24/48VDC on the same connector, both without polarity). Alternate input 24/48VAC 50/60Hz. min18VAC max57VAC Maximum current consumption Maximum voltage Relay contact Maximum current )DNG( dleihS )etihW( langiS - )neerG( langiS + )kcalB( .cxE - )DNG( dleihS )etihW( langiS - )neerG( langiS + DNG )kcalB( .cxE - )deR( .cxE + DNG Power supply )deR( .cxE + CHANNEL 1 CHANNEL 2 CD/CAV84-42 500mA 250VAC 3A 54 26 09 1 2 3 CH1 AL1 AL4 4 Dinacell electrónica CH2 AL2 AL5 AL3 AL6 M CH T Model LIM-G 5 61.8 158

3 Internal structure and device management

3.1 Main Menu Structure

MM

*All alarms share the same internal structure as Alarm 1.

3.2 Keyboard Features

Keys State Functions

From Load indication Keep pressed to enter or exit the settings menu. M Inside the Menus Press to navigate. Setting a parameter Double-click to confirm and save the value. Press to change the display from one channel to another or the sum From Load indication CH of both. Inside the Menus Press to enter inside a submenu or parameter. Setting a parameter Press to select the digit to modify. T From the Load indication Press and hold to turn the tare function on or off. Inside Menus Click on a parameter to display its value. Setting a parameter Press to change the flashing digit value.

4 Settings Menu

4.1 Settings Menu

The display of your device will show you, by default, the weight indicator ⌧ . In order to enter or exit the settings menu, you must press and hold the MM⌧ button.

The menu has a cyclic structure composed of different submenus as shown in the diagram below.

Settings Menu Description

Device information Submenu.

Calibrating Submenu. This submenu lets you adjust the device with two different calibrating procedures.

*All alarms share the same internal structure as Alarm 1. Alarms Submenu. Alarm settings.

CanBus Communication Submenu.

Sensor Signal Submenu. Visualization of the Sensors signal in mV/V.

Analog Output Submenu.

Radio frequency submenu.

Display Submenu. In this submenu you can change the appearance and display mode of values.

4.2 Information submenu

Options submenu Description Devise adress. In a multiple device network, it is necessary to name each device with a different value. Make sure to perform an installation of the devices where the addresses are different. This address allows the device group to differentiate itself from the rest.

Device serial number. (Read only).

Device model. (Read only).

Firmware version. (Read only). Valid values 1,024 and higher.

Hardware version. (Read only).

Device API number.

Reset operation. Restore the device to factory settings.

4.3 Calibration submenu

Submenu options Description

Parameter to indicate channels that have cells connected. (Valid channel are _1 or _2). Parameter to indicate weight unit (kilograms or pounds).

CHANNEL 1 Sensor Calibration Operation to set zero. Within the operation the display will show you the cell signal in mV/V, one must wait untill the display shows a stable signal, in order to confirm the operation. Performing this step with no weight is crucial.

Parameter to indicate a known weight. To indicate the weight it is recommended to insert a known load 50% above the maximum load capacity. Then enter the value of that weight and confirm it, afterwards the display will show you the cell signal in mV/V, you should wait for a stable signal in order to proceed with the save. Sensor sensitivity. This parameter is automatically calculated after performing a zero and indicating the known weight. It is also possible to do a calibration by first performing a zero and then introducig the N.L of the factory preadjusted cells. Check with the manufacturer to see if they are preadjusted.

CHANNEL 2 Sensor Calibration

These operations and parameters have the same application as those seen above. Therefore, they can be applied for CHANNEL 2.

4.4 Alarms submenu

In this submenu you can configure alarms, their address and hysteresis. If a value is applied to the alarm, when that value is exceeded the alarm will activate and change the status of the relay.

It is possible to program one of the alarms on this device in order to detect a loose cable. To do this, you must apply a negative value of approximately 50% of the weight of the crane's hook or grip element. In this way when that grip element starts to rest on the ground and reaches half its weight the alarm will be triggered.

Options submenu Description

Setting ALARM 1.

Preset value for a load limit. Each alarm has a default value set. You can set each alarm by applying a positive or negative value to it. When this load value is exceeded, the alarm is activated, the relay will change status and the alarm LED indicator will light up. To deactivate the alarm and your relay you must insert a value of "00000". Parameter to assign the alarm to a channel. CHANNEL 1 CHANNEL 2 THE SUM OF BOTH.

Time in tenths of a second to deactivate the alarm then lower its threshold. Relay status at rest. OFF - Open (Default) ON - Closed

*All alarms share the same internal structure as ALARM 1.

● Example A: If the setting is: =1000 , = , =30 , =

-The alarm will be triggered and the relay will close when the CHANNEL 1 cells exceed the 1000 weight value. -The alarm will be deactivated and the relay will open after 30 tenths of a second after the CHANNEL 1 cells drop below the 1000 weight value.

● Example B: If the setting is: =1000 , = , =1 , = -The alarm will be triggered and the relay will open when the sum of the CHANNEL 1 and CHANNEL 2 cells exceeds the value 1000 weight. -The alarm will be deactivated and the relay will close after 1 tenth of a second from the time that the sum of the CHANNEL 1 and CHANNELL 2 cells to drop below the 1000 weight value.

4.5 CAN communication Submenu

This device features the CAN J1939 communications protocol. To establish a communication to link with other devices, all of them must have their own address. (chapter 4.2). If the device is positioned as the end of the line of the CAN installation, a resistance of 120 Ohm must be placed on the connector between the CAN High and CAN Low lines.

Options submenu Description

Baud Rate of the device. In this parameter we can select the transmission speed on our device. The transmission rate is proportional to the distance at which it is transmitted, the higher speed is equal to less distance and vice versa. If the transmission rate selection is incorrect, no data will be available on the network. Transmission speeds are _125 and _250kbps. The device Baud Rate is set to 250kbps by default.

4.6 ADC submenu

In this section, one can set the parameters related to the analog to digital converter and check the mV/V Sensors signal.

Options submenu Description

Sensor signal in mV/V. (Read only). In this parameter you can display the signal in mV/V per CHANNEL.

4.7 Analog output Submenu

The device is equipped with an analog output of 0-10V and 0-20mA or 4-20mA configurable with the parameters of this submenu. This output is proportional to the measured weight between the values of the parameters ⌧ and ⌧ .

Options submenu Description

Load value for maximum analog signal. Operation to indicate which load value we apply to 10V and 20mA.

Charging value for minimum analog signal. Operation to indicate which load value we apply to 0V and 4mA or 0mA.

Analog output type. The V is set to 0-10. In this parameter you must select the mA type. Output 4-20mA. Output 0-20mA.

Parameter to assign the analog output to a channel.

CHANNEL 1 CHANNEL 2 THE SUM OF BOTH.

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4.8 Radio frequency submenu

The LIMG is a radio frequency device and may communicate with other devices via radio frequency link, on the

868 MHz band.

In order to establish a communication link with other devices, both must be on the same channel, and their own communication address (chapter 4.2)

To know the channel or address of another equipment, please refer to the corresponding manual.

It is important to consider to avoid potential conflicts that in the same installation, there shouldn't be more than two communications sharing the same channel with the same communication address.

Options submenu Description

Radio frequency channel to which the devices are connected. The equipment creates a network on frequency 868MHz. Up to 31 different channels can be used in the same installation. By default this equipment is set to the radio frequency channel 6.

Radio frequency module emission power in dBs. (Defined values are: -8, -5, -2, 1, 4, 7, 10, 13db). By default it is set to 13db and it is recommended to leave this setting as is. The approximate range is of 350m in ideal conditions (in a straight line and with a cleared way).

4.9 Display Submenu

In this submenu you can change the appearance and display mode of the values displayed on the display.

Options submenu Description

Decimal point. Decimals can be added or hidden.

Rounding of the measurement unit. The options are 1, 2, 5, 10 (default), 20, 25, 50, 100, 200, 250 and AUTO.

Output 4-20mA. Output 0-20mA.

CHANNEL 2 THE SUM OF BOTH.

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5 Tare function

5.1 What is Tare function?

This function is an alternative weight indicator with a temporary zero. Measures respecting calibration values. To activate the tare function, you must press and hold the T⌧ button outside the menus, when the display shows you the weight indicator.

Once inside the TARE function every 4 seconds you will be prompted to get the message ⌧ , which will

tell you that it is inside the function and the display will show you a zero value. To exit the function you must hold down the T⌧ key.

NG Technology

6.1 What are the advantages?

NG is a communications protocol developed by Dinacell Electronics. It is mainly characterized by having the ability to establish compatible communication between devices that feature NG technology.

6.2 Firmware update

The requirements to upgrade a device are the following: - The device you need to be upgraded must feature NG technology and have a Mini USB input. (section 2.1, point 1).

- A FAT32 USB stick only containing the firmware update (file. CYP). - A female USB-A to Mini USB-A male adapter cable to connect the USB stick to the device.

The steps you need to take to upgrade the device are as follows:

(1) Copy the new firmware on a USB stick. (2) Turn off or disconnect the power from the device.

(3) Holding the key MM⌧ pressed, reconect the power supply of your device. The CHANNEL 1 LED will start flashing. (4) You must connect the USB stick with the new firmware to the mini USB port on the device using an adapter cable. The CHANNEL 2 LED will flash when the USB is detected.

(5) Wait for the device to re-flash the new firmware. The process can take up to a minute. (6) When the upgrade is complete, the device will reboot automatically.

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7 Errors and overflows

7.1 Error codes

If the device identifies any issue, it will show one of the following error codes .

Error Description Solution The Load cell or sensor is not properly connected, the wiring is damaged, or the Check the wiring.

sensor is broken. Sensor signal with Negative overflow. The load cell is giving a too high negative Check the wiring. signal.

Sensor signal with Positive overflow. The Exchange the load cell by another with load cell is giving a too high Positive Higher nominal load. signal. Polarity error. This occurs when the Check the wiring device adjusts the weight with the cells Do Perform a new calibration. polarity inverted, or without any load. Loss of data in internal memory. When this error appears the relays Reset the computer (Chapter 4.2). change to OPEN state. Load cell with very low sensibility. The unit was not properly adjusted, or load Perform a new calibration. cell has a low nominal value. Important: When an error appears, all alarms are TURNED ON and relays go into alarm state, except with error 6 that all relays are OPEN.

7.2 Display overflow

When the device detects any display overflow, these two cases appear.

Overflow Description Solution

Positive overflow display. Reduce the number of decimal places.

Negative overflow display. Increase the number of decimal places.

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8 Quick guide to LIMG installation

8.1 Installing the LIMG

The first step is to install the LIMG, make all the necessary connections and finally connect the power to the device (Chapter 2.1/2.2).

8.2 Pre-calibration setup

Inside the device (the handeling of the buttons is specified in Chapter 3.2) you must access the calibration submenu ⌧ (Chapter 4.3), and configure the following parameters:

Configure the number of physical channels to which the cells are connected. Set the weight units (by default they are set to kg).

8.3 Device calibration

The next step is to calibrate the device, once inside the calibration submenu ⌧ (Chapter 4.3), you must enter the calibration of CHANNEL 1 ⌧ and if you have sensors connected in CHANNEL 2 ⌧ perform the following steps:

● The first step is to perform a zero for the device: Do the zero operation.

● The second step can be performed in two ways:

Specify the known weight value. Specify the N.L of the cells. Recommended weight 50% over They must be cells that are factory maximum load capacity. calibrated.

8.4 Alarm configuration

Navigate to the alarm submenu ⌧ to program them. Everything you need to know about the types of alarms and how to set them up is indicated in chapter 4.4.

8.5 CAN communication configuration

Only in case that you need to configure the CAN parameters ⌧ (Chapter 4.5).

8.6 Analog outputs

Only in case that you need to configure the analog outputs ⌧ (Chapter 4.7).

8.7 Radio frequency setting.

Only in case you need to set up a radio frequency communication ⌧ . Everything you need to know about setting up radio frequency communication is featured in Chapter 4.8.

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Configure the number of physical channels to which the cells are connected. Set the weight units (by default they are set to kg).

Dinacell Electrónica S.L.

Pol. Ind. Santa Ana C/ El Torno No8 CP 28522 Rivas Vaciamadrid, Madrid, ESPAÑA Tel. (+34) 913 001 435 Fax. (+34) 913 001 645 dinacell@dinacell.com www.dinacell.com