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Found 14 results

  1. Hey guys, I have a UniStream 7" PLC connected with EX-RC1 expansion module via CANBUS. The CANBUS is connected according to the info in the datasheet with 120 ohm resistors and everything. The complete configuration that the PLC communicates with from left to right is as follows: EX-RC1, 3 x IO_D16A3_RO16, 2 x IO_ATC8/AI8, IO_D16_A3_RO16. The PLC and the EX-RC1 is grounded and connected as it should. EX-RC1 is programmed (initialized UniCAN) and the LEDS are all working propperly (PWR ON, I/O COMM ON, BUS COMM ON). Accordingly I am able to read/write all the inputs/outputs. So,
  2. Hi everyone, I am using SD card explorer in order to retrieve some files from the device Advantage Pro EL Lyophilizer from SP Scientific, to do so I am connecting to the device via LAN. TCP settings, PLC name, port number are all correct and I am able to check the connection. I use Unit ID 0 (direct) But after a certain time the "listing of files" stop and the following error message « Cannot communicate with the specified UnitID » is displaying. After this happen, it is impossible to communicate anymore with the device I have to unplug the ethernet cable and plug it again
  3. Hello to all, I am working on a new system where a Unistream B5 TR22 is a Modbus TCP master to 11 Samba PLC's Nothing to exciting but my biggest problem is a lack of knowledge. This is only my second project with a unistream PLC, with the first being a very straight forward ladder program without anything special. i do have a few years of experience with visilogic so that side is not a problem. What i already figured out is how to make the set-up on the master and slave side. the thing i don't get is addressing between the devices. In visilogic i could literally select which mb,mi,ml
  4. Hello, I am just getting started on unilogic. I am having trouble communicating my USC-B5-B1 PLC with USL-070-B05 HMI. Can anyone guide me through the communication process ??
  5. I am getting the following error when trying to initialize/go online for the first time with my V570. ----------------------------------------------------------------------- "Communication over TCP/IP could not be established due to one of the following reasons: - cable connections are not secure - incorrect TCP/IP settings (IP address, Protocol type, Port number) - the connection is currently being used by another application. " ----------------------------------------------------------------------- Right now the first net in my main routine is checking SB
  6. Hello, if someone can help me it would be great! I just got the V-570 PLC and had it wired up to my inputs and outputs, and wanted to test it out. I have two issues I need to fix: First I tried to upload my project to the SD card, and put it in the PLC and run it. I wanted to see if I could just do basic screen navigation first. However, when I ran the program, after clicking on the first screen, it glitched out and turned a solid blue with no buttons. I figured it was a coding error on my part, but how do I take the program off of the PLC and restore it to the little animation sequenc
  7. Hi all, it's my first post but I guess not least as I have a project to do using my Unitronics V1210 with CANOpen and 2 ports for Modbus RTU on board. I want to establish basic communication with my VFD (Vacon 100 / now Danfoss company) by Modbus RTU. 1. I bought RJ11 six pin plug and prepare junction so I have two cables - yellow at PIN1 and red at PIN6. 2. I connected PLC (Port 1) to VFD (A,B inputs) 3. I wrote a basic program to read the register 2101 (which is not 0 for sure) and... nothing happens. No communication. What I have checked: - Ports termination (set to RS485
  8. Hello, I have the V700 with a Snap-In V200-18-E2B and a Inverter. I want to run a motor with a simple programs. I want the V700 communicate in RS485 with the inverter. I use a USB cable to send the program to the V700. I know i have to plug my RJ11 cables in the port of the V700 and set the communication on RS485 on the bottom of the V700. For the other part of the cable i have to take 2 of 4 wire and connect them on the Inverter. What i have to do after ? How i set the communication ? Will i have to create programs with contacts and coils to run the motor forward, or it have a com
  9. Hi, today in our company we received an ultra filtration system that comes with a V1040 on it. We've never had worked with an unitronics system before and we are trying to communicate the plc via modbus rtu over rs485 to work with our network. We configured the com port of the plc to work with rs485 as it was factory configured to work with rs232 but we can't reach it on our system, it's just showing of offline status. In the ladders we had a special subroutine for modbus, including all the registers and status of the system, we are reaching these points but it doesn't work. I'll attach
  10. Hello, For a new project, I’m actually trying to establish a Profibus communication between a V350 (slave) and a Siemens PLC (Master) S7 315-2DP. V350 (Slave - Address 3) -Profibus card is installed (V100-17-PB1) -OS is up to date (comprises a Profibus card) -Connected with a Profibus cable with Siemens connectors (terminating resistance connected) -Profibus configuration block on the main routine with SB2 (power-up task) -Status message = 0 -Error message = 1 -Profibus card detected : SB178 = 1 Siemens PLC (Master - Address 2)
  11. I have three V430-J-RH6 PLC's, they will be communicating via RS-485. Each of these plc's are running two pumps for that specific unit. My end game is to make sure that none of the units have pumps running at the same time so we don't have power issues, ex. Unit 1 is running a pump so unit 2 and unit 3 cannot run their pumps until unit 1 is finished etc. I know how to program that part in but my struggle at the moment is with how to best get that information to each PLC. I need each PLC to have constant feedback of information from each other PLC. I need each unit to know when the ot
  12. Hello all. I'm new programmer with Unitronics PLC. At moment trying to communicate USP-104-B10 with VFD ATV630 series by Schneider Electric, but unfortunately for me unsuccessfully. In PLC communication created Scanner and Adapter, add strucs with global tags according manual https://download.schneider-electric.com/files?p_enDocType=User+guide&p_File_Id=9346677116&p_File_Name=ATV600_EthernetIP_Modbus_TCP_Manual_EN_EAV64328_03.pdf&p_Reference=EAV64328 But I do not understand clearly what I need add in Ladder to read all needed parameters, for example, every 5 secs and ho
  13. People who see the SD Card Explorer in action usually sometimes wish to have the same functionality in their own application.Some of them contact Unitronics in order to get some details on the protocol, or ways that they can do the same, while others fear from the worst: that it's a lot of work.I know very few people that will be happy to write the whole protocol by themselves.The only guy I can think of in that matter is Ash Nielson... I have no idea where he gets his strength and energy from, but the solution for this problem is actually simpler than you think.You don't have to be energetic
  14. You are probably saying to yourself "Hey, you promised that the next episode of 'Build your own SD Card Explorer' will be published, so how come Saragani posts about something else?"Well, I actually said that the next episode will be posted next week :-)It is going to have a lot of code and it will be a lot of work writing it so I might split it to few pieces.Besides, I can use this blog entry to post about new features of the Com Driver.I wrote this multi listener a while ago, but the source code of the communication driver was not published since then.You might assume that writing the Multi-
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