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  1. I create a timer with MI (Memory Integrer) and MB (Memory Bits) and then I tried to display the current value with the time function. Problem is : the display of the timer is a hexadecimal value. I tried to use others function like "UTC to RTC" or "Numerics" but I don't know how to get the display of the current time and the elapsed time of the timer I made. Wanted display : HH : MM : SS (decimal value) The timer look like : MI 1 : Preset MI 2 : Current MI 3 : Elapsed And there is others nets to manage the proper functionning of the timer. I know that it
  2. I have been using Samba now for some years and some of them have started to loos data because of battery low. My question is, is it possible to replace the battery in Samba 3.5 and 4.3 versions with power on? I know it is possible in the 7" by just removing the back panel, but it doesn't look possible on the smaller one, is that the case?
  3. I used SAMBA for retrofit hydraulic machine control. One day on this mobile machine SAMBA screen is damaged. Even with the damaged screen it continued to control the operation of all systems. I was asked to change settings and with Unitronics software I was able to do it without any problems. Finnaly i setup remote settings via software for local staff. I wanted to try to "propose" to apply the already known Unitronics Virtual HMI technology to our most affordable Samba PLCs. By removing the touchscreen and screen from Samba (and integrating WiFi into it), Unitronics cou
  4. Hi, in my current project I have a button on my touchscreen. If this button is pressed, MB33 is set and afterwards MB 10 should be set too. But, as you can see in the image below, the execution of the net stops before MB10. Basicly I copied this structure out of this tutorial : https://www.youtube.com/watch?v=8RyFPPE3Hdk&feature=youtu.be&t=572 In the tutorial they use the same sequence of contact and coil to turn a "LED" on the touchscreen on and off. Any ideas, why it doesnt work for me?
  5. Hi guys, we have connected our SAMBA to WLAN and can access it now through WLAN with the Visilogic software. Now we want to export data from the Samba through WLAN to a PC. For example when a new User enter his name on the touchpad of the samba, the samba should send this information to the PC. How can we do this? Is there any tutorial on a task like this? Greetings
  6. In one of my projects, I measured the length of the material using an encoder. The customer initially wanted to print the measurement results on a thermal printer (Zebra GK420d) locally and be able to view the status remotely over the network. However, after buying Samba SM35-J-T20 and conducting tests, he wanted to implement reading the order number using a barcode scanner. I could not install the optional com port because it was replaced by a network adapter. After testing with the printer, I found that it only needed two wires GND and TX. The barcode scanner (LS2208 RS
  7. Good Afternoon Guys Is there any way that i can set the time and date from the HMI on the Samba. I have an application where the HMI/PLC will be shipped internationally and the Samba will be locked down, now as it will be shipped i need a way to set the time and date by the user, this is my first Samba project and up to now its going really well but a few things have stumped me.
  8. I'm faced with a task that I can not implement yet. We have a chemical process that is controlled by a PLC (Samba). It lasts more than 24 hours. If the power fails, then it's possible to continue it normally only for 15 minutes without energy. After a switch-off period of more than 15 minutes, the process must be interrupted. It is clear that I need to copy the clock values to the variable every minute, and then, after re-switching on the power, compare the time passed with the value of 15 minutes. The question is how to calculate the shutdown duration, since the real-tim
  9. Hello all, Recently we performed an installation of 2 PLCs model SM43-J-R20 (both containing the same program and updated to the last OS) to control 2 oil boilers. A few days ago, our customer reported the following problem from only one of them: Sometimes, one of the PLCs shows a backlighted black screen (as seen in the attached picture). However, the process in the PLC seems not to be affected since it keeps running. Then, if they restart the PLC, it works well. (Note that the PLC has been powered ON for hours when this happens). We replaced the PLC with a new one with no results
  10. Bonjour, Quelqu'un a t-il déjà piloté ou connecté un moteur PAP sur un système SAMBA? Merci, Didier
  11. I am just designing some equipment, the styling of the device is important. This has lead to the upshot that we want to be able to mount the Samba 7 inch PLC from the back of the enclosure rather than the front. Has anyone done this successfully? How did you design the mounts fittings? The options for materials / manufacture are sheet aluminium or injection mould. Ideally we want to go with bent sheet material as that will help with EMC shielding.
  12. Dear colleagues, i need some support concerning the remote control with an iPhone. My connection is not really stable. I connect the iPhone and after 10-60 seconds the connection fail and I cannot connect to the PLC anymore. So I have to disconnect to the WLAN connection and connect ones more and then it goes, but again only 10-60 seconds. So the question is whether it is an iPhone problem or a general problem with the connection. Or do i have to change the router adjustments? Another oddness is that it is only possible to connect if the IP adress is 192.168.1.1 and this is the same as t
  13. Hello everyone, I am very new in programming with Visilogic. Everything is fine despite the fact that the coulor of the pixels change if I touch the display. These marks will be deleted if i switch between the screens. I dont know why this happens because it is really annoying but i couldn't found anything on the internet to stop this. I hope someone can help me! Best regards Fabian
  14. I need to get a Samba to send simple wireless data transmissions using a Cinterion EHS6T 3G modem. My program works with a 2G Enfora GSM 1318-50 but not with the Centerion.
  15. Hello, For a project im working on I need to motitor serval energy sources and control multiple relays. I would like to use the Samba 4.3" PLC for giving a nice interface to the system. The problem is that I have over 30 outpust I need to control. I've found a modbus RTU (RS485) energy meter who measures the voltage and current. Also found a modbus RTU (RS485) digital output module with 16 outputs. Is it possible to use the Samba 4.3" PLC with V100-17-RS4 module to communicate over modbus with the IO modules and energy meters? Best Regards, Jelmer
  16. Hello, I am using SAMBA PLC (4.3 and 7.0 as well) for historic car rallies, in order to calculate ideal distance based on time and a given average speed. I have noticed that the RTC has a strange behaviour. I syncronize my PLC RTC with an accurate digital clock, and after a few minutes, I can notice already, a small difference (e.g. 3/10 of a second). But after a while, the two clocks are syncronized again. I tried also the following. I used the SB 15, which comes true 10 times per sec, and I increase a ML15 every time SB 15 is true. In parallel, I created a bit (MB6) which come
  17. I have been tasked with developing a centralized server that will communicate with many Samba PLCs around the world. Specifically, I need to ensure that the server can contact any PLC and 1) get a copy of the current values or 2) instruct the PLC to change a value. I want to ensure that the PLCs only communicate with the server, no other computers. The data itself is not considered secret, so the fact that VisiLogic does not appear to offer encryption is not a problem. But, it is critical that only the server be allowed to update PLC values. It is simply unacceptable that another person c
  18. Six year winning streak! We are very proud to announce that Samba 7" joins the ranks of Unitronics’ products that have been honored by Control Engineers’ Choice Award. Samba won the award in the category of Hardware – integrated HMI controllers. Read more about it here.
  19. According to this Samba Technical Specifications document, the Samba series PLC+HMI has two 0-10V or 4-20mA user selectable analog outputs: http://unitronicsplc.com/wp-content/uploads/2015/12/SMXX-J-RA22-SPEC-2-16.pdf Looking at the SM43-J-T20 sitting in front of me, that does not appear to be the case. Did the analog outputs get cut from the production model after that information sheet was put together, or is there another model of Samba that does include analog outputs natively?
  20. Hello, I got the task to make a control system for a air conditioning unit which I guess needs 4 PID loops. One each for heating, cooling, humidification and dehumidification. Only two loops will be active at the same time. The product overview for Samba SM35-J-TA22 say "Auto-tune PID, 2 independent loops ". Does this mean that it is not possible to have 4 loops in the program? I would appreciate a quick reply!
  21. Dear all, i want to use the 7 inch samba for my project (as this small plc is enough for my machine). Now i have the problem that i would need 2 more digital outputs. As there is only the possiblity to add remote (CAN) IOs. It would be very expensive to add a EX-RC1 plus an output module only for adding 2 more digital outputs.......... Does any one have a better idea to lower the costs? Maybe there is planned to add local IO functionality to SAMBA plcs in near future, or any other suitable cost effective solution? Thanks for your comments BR
  22. Hi, I 'm new to samba and Visulogic programming, and I'm having some problems to use the samba sm35-j-t20 serial port to send data into a chinese printer(csn-a2-r), it uses rs232... I initialize the the com with the printer parameters and I configured an protocol, but when I try to send the messages something goes wrong, The data is not sed correctly, it appears ramdom stuff in the printer. obs.: the printer is 12vdc so I hacked it with a lm7812 to be able to use it with the same power supply. Someone have done something similar and/or can help please?
  23. Hello! I have a next project where I have to use module EX9024D. For this project I use Unitronics Samba (SM43-J-T20) with v100-17-rs4 module (because this combo is what I have right now). Operation manual for EX9024D: https://www.expertdaq.com/media/downloads/ex-9021_ex-9022_ex-9024.pdf Basically I have to send #023-02.500 command to module (page 20). This command will generate -2.5V to output 3 (total 4 outputs, 0-3). This task is little over my head, especially when it comes to using ModBUS, so I will need help. How do I transmit this kind of command over ModBUS (I b
  24. Hi all, at the moment i am using a Vision350 Controller for a small machine type. We think about replacing the Vison350 with the new 7 Inch samba. Now i have a few questions, because i am not sure if the memory of the samba would be enough for this program. * How can i find out the memory used in the Vision350 controller? I already looked at the "project memory map", but i did not get really useful information from there. I only see that i am using 4,9 % of the DLU capacity, but i do not find any information about how many kb are used for ladder code, hmi variables, .........
  25. Hi! I figured I may have run into trouble here and thought to ask for your opinion. I got my hands on Bautz DSK-12 AC motor driver and Unitronics Samba (4.3 inch, transistor type) PLC and acquaintance of mine asked me to do some programming. Firstly, I discovered that encoder (what I have to use) is running on 5v (actually to get encoder values from driver I have to feed it 5v and not any higher). Thought that I could buy fast (50kHz) optocoupler to ramp up 5v to 24v and feed it into PLC. Secondly, I discovered that this type of motor driver takes +/-10v to change motor direction an
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