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Showing results for tags 'slave'.
Found 8 results
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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)
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Hi! My name is Arnor and I am from Iceland I am trying to establish connection between two Vision PLC's. I have the master: V700 and V350 as slave. I can use SCADA pc software to connect to the slave and read the data. But I am not able to read data from slave to V700. I added both programs to google drive folder (sorry, the programs was to large, and its a bit mesh): https://drive.google.com/open?id=1yL1h1ZvJomBeoY7v22UvHVeY09T4ooAC I am using also Serial modbus on both sides that works well. The PLC are set up like this: V700: 192.168.1.20 V350: -
Hi, I have a problem with aplication. My Jazz should works a few minutes as Master after that switch to Slave mode ( in the loop). It works, I switch to Slave mode till set SB25 (Ethernet Connect / Listen Request), after that Jazz turns to Master (write 0 to SI214) ??? Someone can help me ? -
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. -
Good evening ladies and gentlemen, I have 4- V430-J-TA24's, serial (RS232, 9600, 1, none) MODBUS, one as a master (MTU), and the other 3 as slaves (RTU). port 1 on each unit connects to it's respective radio modem. The MTU polls the 3 RTU's successfully and the cycle repeats. Here is my problem: how do I detect a comm failure on the slaves that will set a MB to clear my outputs and registers? The master reads a register from RTU1, here it can use the status message from the RHR #3 and use a compare if MI96 (rhr#3 status) = D#5 then ----[R] (MI100, the value displayed on MTU, fetched from -
Hello again, since your answers are very helpful and I could not find information I need on this forum, I`m starting new topic. I need to set up communication between V280 and multimeter DMK 22 by Lovato. Here is the tutorial they sent me: https://www.sendspace.com/file/trigbh(file is too big to be attached here on forum) I have several problems with understanding the whole communication. I have working MODBUS IP communication between PLC-to-PLC, where the communication is done through MODBUS R/W Mix, which I understand how it`s done. Here I need to get from the slave multimeter -
Good day to everyone! Got an issue trying connect to v1040-t20b via modbus serial. I'm initiating data exchange through usb port (and starting to realize that, eventually, there is no any response from Uni, 'cause com1 supports only PCOM). Than i looked through info mode menu: com1 - pcom, com2 - pcom, com3 - modbus. And at the side panel there are port1 and port2 only. So, there is no such as 'port3' or... com3. How can i configure usb port to recognize modbus commands? -
In my project on the V120-22 I use 2 COM ports for RS485 Modbus communication. Port 2 - Master mode to communicate with another device, the Port 1 - Slave mode for communication with the upper level. After some time, the PLC stops responding via Port 1, while Port 2 is operating normally and ladder is operating normally too. Helps only restart the PLC. If Port 2 is disabled, then the connection through Port 1 is without failing. It seems, as if at the time of simultaneous access to the ports, there is a conflict. Why lost communication with Port 1? Ports settings: Port 2: 115200, 8, n
