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Found 7 results

  1. Dear fellows, Anybody might be knowing - what type of string and what length is necessary to store IP address for IP Address Edit and IP to String and String to IP elements. Official help file is scarce on that. Additionally, are the IP fields contained within Modbus Remote Slave structs editable or read only (as primarily these get their information from Modbus Ethernet Masters configuration screens)?
  2. Hallo, I'm doing Ethernet IP communication with Keyence Cameras (CVX-400) and SMC motor Drivers (JXC91 series). Everything works very well, but it took me a long time for SMC drivers to be checked: Use Run idle for O2T. I would like to ask why and what it means. I did not find explanation in help. Well thank you.
  3. Hi. I'm an experienced PLC programmer but I'm new to the unitronics universe. I'm wondering if anybody can give me an example on how I can send and receive text strings over TCP client interface? I'll be using a UNIStream PLC to communicate with a robot arm using a TCP connection. I would like to connect to the robot on port 29999 to send different commands. The robot will then come with a reply. For example: Command sent to robot: "load <robotprogram.file>" Return value on success: "Loading program: <robotprogram.file>" Return value on failure: "File not found: <robotprogram.file>" "Error while loading program: <robotprogram.file>" The Ladder functions "TCP Client Tx", "TCP Client Rx" and "TCP Client Connect" is not documented in the help file... What's the correct way to use string data as buffer source or buffer destination? I will appreciate any support!
  4. Hi, I have Unitronics PLC V130-J-TR20 PLC, which is a master, and two Jazz JZ20-J-T40, which are slaves. I need two of the slave Jazz PLC's to communicate with master V130 PLC. I have made configuration in PLC Program for read and write, but it's not working properly. When i set bit for request to read PLC3 (MB100), it reads it normally. But, when i try to read PLC2, it reads same value that I have on PLC3, although Communication is OK with PLC2. I have read example project, and used it to configure communication between PLC's, like you can see in the images. Regardless of what I do, one of the PLC's is not working properly, communication says it's OK, but keeps reading values from other PLC. IP addresses are different, of course, and i have typed them correctly into the MODBUS IP Configuration, like in the image. On my Jazz PLC's I have done everything like Example project in U90 Ladder says. Is there a way of fixing this? Thankful Nikola Ljubinkovic
  5. Can someone explain the format that the IP address is displayed in the Modbus IP communications status bit and how I can display it as a usual IP address like: 192.168.1.201 Cheers
  6. I have a project were I am using an Enfora GPRS modem to make IP calls back to a web connected machine. This works very well and I have set it up to receive text messages via GSM. I want to use the received text to trigger a call back on GPRS to an IP specified in the text. I have found the function to convert the IP to a text but not text to IP. Is there one? If not how is the decimal storage of an IP formatted so I can do via math / string functions? Thanks in advance Andy
  7. I am currently working a program that is similar to a counter. It takes the photo eye pulses sends the TCP packet to a server. The server then interprets the message depending on which line the pulse is from the message will be different. Then updates a database. I am currently testing this program between two V130s. The socket connects it sends the information. It gets a successful bit back from the tcp layer. The problem I have is that the FB Scan just gives me a -1 in the index of message. From what the help says is an invalid format or message to be received. Review PLC master TCP/IP 192.168.10.130 port 5000 makes the connection to PLC slave TCP/IP 192.168.10.131 port 5000 Sends all the messages RX on slave socket accumulate correct number of sent messages FB scan function on slave gives me -1 on index of messages. Also to make the connect tcp work I must give it a true to false transition for it to connect is this correct. It works flawlessly as is but not sure why itd be set up that way?
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