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Emil I paid €490 for the unit. I had to order on special delivery so I think this should be the maximum anyone should pay. Quite new to PLC programming but still found it easy to set up. Had some problems getting 485 to work, but worked fine on 232. (was certainly a problem on my side regarding wiring or terminating) http://www.moxa.com/product/MGate_4101_MB_PBS_Series.htm Regards Denis

Hi Folks Just completed a project where I had to send signals to a Siemens PLC. I found the MOXA Mgate 4101 converter very simple to set up. This allows the unitronics to use modbus and the unit converts to profi-bus. Regards Denis

Hi Damian I had a lot of problems recently with a touch screen button with jumps to various displays. To solve this I had to stop and initialise the plc after I loaded a new program to the PLC. It seems that some MB's will remain high from a previous program and will not reset if they are only linked to a touch element. Hope this helps. Regards Denis

Thanks Saragani What I have found that if I download a blank program to an V1040 that has had a previous program, that many of the MB values show 1 on the online view (even though there is no program in the PLC) This is normally not a problem as when the MB is used in the ladder, after the first scan the value is set to 1 or 0 according to the program. However if this MB is just linked to a button for jumping to another display and is not referenced in the ladder, I see that the MB stays at 1, causing unpredictable jumps. As soon as I use a different MB the problem is solved. Hope this clarifies the problem. Regards Denis

Hi Folks I have a V1040 that i use as a spare and for testing. I am not a programmer but tend to play around with it to try out new functions. Recently I loaded a new program on the controller replacing the existing program. I set up some simple buttons on the main screen with jumps to other screens. Some of the links worked but others would link to the wrong screen For example i set up button 1-4 to link to screens 1-4. 1 and 2 would jump to screen 1 and 2, but 3 and 4 would also jump to screen 1 and 2. I then noticed that many MB values were set at 1 (even though they were not in use). I assume these were set in the old program. While this is not a problem normally as the ladder logic will reset them to the correct state, it causes a problem with the touch element as many show on when the button is not pressed causing the program to jump to the wrong screen. This was the case for button 1 and 2 above, the MB stayed on so every time i touched 3 or 4 it also saw 1 and 2 as being touched. The MB assigned to each button was not used anywhere else in the program. I tried downloading a blank program but the MB state remains on and will stay on even when linked to a touch element. i have the latest operating system in the controller. Is there a way of resetting the controller to factory state with all MB values at 0 before loading a new program. Apologies for the long winded question. Regards Denis

Hi Ron I think you need to look at the complete installation. 1. If the instruments are in the ATEX area then they need to be intrinsically safe (IS) instruments and you will need barriers on all analog in/out and DI,DO. (some switches can be classified as "simple devices and do not require barriers but you would need to used extra low voltage) 2. If the instruments are in a safe area and the PLC is in the atex area, then the PLC needs to be in an explosion proof enclosure and you do not need barriers. 3. If both are in the same area you need an explosion proff enclosure and barriers as per 1 above. Since the HMI is useless when enclosed in an enclosure, you may need to use remote I/O in the enclosure and move the HMI to a safe area. (this you can do without a barrier). There are probably several more issues when you look at this in more detail any you should consult an expert who can visit and survey the site for you. Regards Denis

Has anyone got a solution to this, I have a V1040 with the same problem. When I want to show alarm id=0 no problem. Alarms with any other ID will not show. I have had to make ID-0 a common alarm and also trigger it with any other alarm in order to ger the other alarms to display.

Thanks Ofir I have a V1040 and the customer wants to read and write to a few addresses using profibus. Has anyone used a converter that was easy to set up and is there any examples of this. Regards Denis

Hi Folks Are there any plans to make the Profibus communication card compatible with other controllers besides the 130 and 350. Regards Denis

Thanks TT_ZX dont know why I couldnt find this. Thanks Denis

Hi All I have a V1040 and I have configured 4 different trends. All trends are configured in the same way. 3 of the trends run with no problems and show run at the bottom of the trend. The fourth shows stop. I dont have any bit configured to stop or run the trends and dont know why the trend will not run. I dont see anywhere in the setup that I can set trend on/off. Any help would be appreciated. Regards Denis

Hi Dan Dont Know if it helps, but there is a system bit SB-219 that comes on when it is safe to remove the card. Regards Denis

Admout Thank you for that. Regards Denis

Hi I am working on a project where a V1040 monitors a process. It is possible that the screen will not be used for a number of consecutive days, with some static information on the screen. Is the screen susceptable to "burn in"? Should I set up a screen saver? Is it possible to turn off the display and get it to "wake up" once touched? Thanks Denis

Thanks Ofir Will give it a try and hopefully will get it to work.

Hi all Starting a project soon and need to know if it is possible to use a vision 570 as a master to a non-unitronics PLC. All documents and topics appear to indicate that the unitronics must be set to slave. Also if i have 2 non-unitronics PLC's, do i need a ethernet hub to connect with the 570. Hope you can help. Regards Denis