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Found 10 results

  1. On upgrading my Unilogic program with compiler version 1.29.111, it now reports this error: 'The TCP Remote slave limit of 64 operations has be (sic) reached. (136)' The program previously compiled successfully with compiler version 1.29.26 and .34. I have 11 ModBus Remote Slaves on separate IP addresses, with 10 of which I request a single 64-register transfer, and the eleventh two 32-bit register transfers. If I remove all the Slaves and associated code, then the program compiles. If I then reinstate them it now compiles successfully! I have several versions of my program in d
  2. 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>"
  3. Hello, I just have a small problem, and I keep on asking some simple stuff, because I'm new to Unitronics, and programming PLCs. I have a JZ20-J-UA24, and I want to read from it, and write via labview. This requires a modbus configuration. I looked at the sample modbus configuration on that unitronics supplies with U90 ladder, and some modbus forums on unitronics, but didn't clearly understand what to do next. So suppose I want to read on labview the temperature measured via a KTC connected to the PLC's analog input channel 1 displaying its value at the level of MI 19, how can I do that? A
  4. Hello, I have JZ20-J-R16, and I want to read values from output 1 on labview, but I just have a problem in trying to do it. My PLC doesnt have an Ethernet port, I can just connect it by means of a USB, or com port to my PC. So if I wanted to read from this PLC on labview by means of RTU communication, can someone please give out an easy code to do that (to configure the PLC, and thus assign the addresses to each port)? And if I bought an external mode that contains an Ethernet port and connected it to my PLC, would I be then able to communicate by means of TCP through labview? I need help o
  5. Hello, I am writing a communication program. I receive a string of data and need to compare it with a couple of parameters. Anyone? example : i receive : /X354,Y653,Z345/ my PLC needs to recognize : /X... , Y..... , Z.... / in the future i also need to parse this and display the values in different text boxes. thx in advance
  6. Hello, I am a new programmer in Unilogics. After I got to know Unilogics , I have to set up an TCP/IP connection. The PLC is the server. I already programmed a function for sending information to the Hercules ( on my laptop). Now I need to receive information back from my Hercules. I have tried a lot of options but it will not work. The Rx blocks count the right amount of byte's that is received. The problem lays ( I think) in the fact that OUT E from the Rx box doesn't go to 1. Also I dont get BOX E from de parse message box. If i made a scanned message for receiving it isn't standing t
  7. Hello, I am a student , also in PLC programming. After I got used to Unilogics I got a internship order. I need some help with TCP data Rx/Tx, especially with the programming ladder blocks. My program is now so far working that I can see that my PLC and Hercules ( on laptop ) are connected but then i can't get it working. First up i want to try to make a very simple light lit up when i received data. So I had it configured like in the image. The day before I programmed it like that I was able to see the quantity of byte's that was received in box D. But today with de configuring in
  8. Not so familiar with TCP_Client_Server in Unilogic. Can this be used to send AT commands to a device? I have a Bgan SAT unit with built in gps. I can telnet a AT command from my pc and receive the gps co-ordinates.
  9. At random times sockets 0 and 1, 20255 and 20256, server (slave) on V430 and SM43 are freezing up. Usually not both.... thinking it's more port 20255. I've played with the SI for timeouts. SB168 is set to power up at "1". it will still email, web server (V430) will still work, and usually port 20256 will work to let me connect and remote REBOOT the PLC, then the frozen port comes back to life. Any ideas!? I worked a long time on getting a reliable "EMAIL" logical construct; I believe I got that whipped and have had no issues lately. This STICKY PORT issue has plagued me for sometime. Any sugge
  10. Hi everyone! I´m using the four sockets in a Vision 130, and I need more! So, I tried to redifine a socket in run time according to some conditions, but I find out that once the socket was defined, I can´t redefine it. The socket is first initialized as TCP / Port 502 / Server. A Modbus IP configuration is attached to this socket, and running as Modbus IP Slave. Then, I close the socket... ...and redefine it as UDP The result is that the socket never loose the Modbus definition, and can´t connect via UDP. When the second socket definitio
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