Recent content by Ethan.kim

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    How can slave address be assigned when I connect lots of slaves to master on RS485 communication?

    I called to inverter manufacturer and they say I can configure inverter address(slave address in RS485) directly through inverter LCD.
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    How can slave address be assigned when I connect lots of slaves to master on RS485 communication?

    Hi, I have some question about RS 485. As I said in title, what if I connect many slaves in one master, who assign slave address? Modbus master doesn't have any functions to assign slave address. The only thing it supplies is to input command in binary code. Master just executes the command...
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    Can't reach server/slave! Check TCP/IP and firewall settings

    Thank you for you help. Fortunately, I solved the problem. I'll explain everything. By the way, interface is Modbus TCP. PC1 : Modbus master pc. It commands request to slave. PC2 : Slave simulator. Bluelog : It is RTU and it can be used as modbus master. What I tried was to read bluelog as a...
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    Can't reach server/slave! Check TCP/IP and firewall settings

    I just connected primary PC and bluelog only. I didn't connect slave simulator on a secondary PC and bluelog. Would it make a problem?
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    Can't reach server/slave! Check TCP/IP and firewall settings

    Example to command for reading data is in the manual. I followed as same as it says.
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    Can't reach server/slave! Check TCP/IP and firewall settings

    I got a SCADA interface license and installed it. Here is what I got licensed. https://www.meteocontrol.com/fileadmin/Daten/Dokumente/EN/1_Photovoltaik_Monitoring/1_Produkte/blue_Log_XM_XC/DB_SCADA_interface_blueLog_XM_XC_en.pdf
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    Can't reach server/slave! Check TCP/IP and firewall settings

    Wow. Really appreciate it. I'll check all list and test. Thank you. Also I wrote the device information above. Please check and if you know the device, let me know. thank you.
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    Can't reach server/slave! Check TCP/IP and firewall settings

    Thanks. The device is data logger for PV plant. Manufacturer is Meteocontrol and model is bluelog XM-1000. Hope to figure it out with your help.
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    Can't reach server/slave! Check TCP/IP and firewall settings

    hi, I'm trying to read data from a device. Protocol is modbus TCP and I connected it to Ethernet. It supports SCADA TCP interface. I'm using modpoll master simulator from my computer. But I get a response "Can't reach server/slave! Check TCP/IP and firewall settings" again. Response is below...
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