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need communicate KEPServerEx with CPU 6ES7 315-2eh13-0AB0 and Open Modbus TCP software

Created by: AUMAX_JJF at: 7/14/2009 11:11 PM (8 Replies)

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7/14/2009 11:11 PM	Rate (0)
AUMAX_JJF Posts: 4 Rating: (0)	Hi Mr. Wüstenräuber, I work with Diego and need communicate KEPServerEx with CPU 6ES7 315-2eh13-0AB0 and Open Modbus TCP software. I used the driver Modbus Ethernet in the Kepwareand not work. This use for configuration the IP and port but not use of ID. Is possible your help.
AUMAX_JJF Posts: 4 Rating: (0)	Last edited by: CS Moderator at: 7/16/2009 2:18 PM new subject after splitting
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7/15/2009 10:15 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (323)	Hello AUMAX_JJF, The ID is a Simatic internal parameter. It is the number of the connection. The communication partner is always addressed via IP-address and port number. The client establishes the connection by sending IP-address of the server and the port number, for Modbus communication normally 502. The server is only waiting for the defined port number (502)to receive. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (323)
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7/15/2009 2:31 PM	Rate (0)
AUMAX_JJF Posts: 4 Rating: (0)	Hello Kaulquappe My problem is: the communication is on in short time (2, 3 minute) and after is off. The time in on is aleatory and the error message in the parameter STATUS_MODBUS is always A090. This problem be with RSsim or KEPServerEx of Kepware. My question: I am configuring something bad in the siemens block? Regards,
AUMAX_JJF Posts: 4 Rating: (0)
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7/15/2009 2:51 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (323)	Hello Aumax, you got the trial version of the function block. As you can see from the attached release notes, the program runs only for one hour then stops and reports error A090. Or did you buy the software? Then you haven't licensed it yet. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (323)
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7/15/2009 4:02 PM	Rate (0)
AUMAX_JJF Posts: 4 Rating: (0)	Hello Kaulquappe If buys the license, but don't send the e-mail at i4tindustry so that sent us the key. our problem is that the communication only settles down for some minutes. the communication never settled down 1 hour. My question: so that it works 1 hour the license is it necessary?
AUMAX_JJF Posts: 4 Rating: (0)
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7/15/2009 4:45 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (323)	Hello Aumax, sorry, I mixed up two different trial versions. If the Modbus block has not been licensed, the communication runs, but A090 is reported cyclically. You canfind information regarding the error codesin the manual as well asin the online helpof STEP7. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (323)
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7/15/2009 8:49 PM	Rate (0)
Wüstenräuber Gold Expert Joined: 10/3/2008 Last visit: 8/28/2024 Posts: 961 Rating: (124)	Hi, in the package "OpenModbusTCP PN CPU" there is not a limitation of 1 hour. If you didn't insert the correct registration key, then the SF/INTF-LED is blinking, there are entries in the diagnostic buffer of th cpu and the errorcode A090 is shown. But the modbus communication works even so (without a valid license as well)! Do you get an errorcode other than A090? If not, then the configuration seems to be okay. In this case it would be the best to write a telegram traffic with Wireshark to check the reason of the communication problem. Wüstenräuber
	Last edited by: Wuestenraeuber at: 7/15/2009 8:51 PM
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7/15/2009 8:58 PM	Rate (0)
AUMAX_JJF Posts: 4 Rating: (0)	Hello everybody: The solution to the problem of interrupted the communication went to configure the CPU 315-2 PN/DP as Modbus Server and the driver Kepware it began to work correctly. I thank their help.
AUMAX_JJF Posts: 4 Rating: (0)
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8/8/2009 9:26 AM	Rate (0)
SEM Posts: 12 Rating: (0)	hi Mr. wuestenraeuber, ihave following doubts onmodbus communication. 1. instead of cp 341 , is it possible to communicate all modbus devices with cp 443-1 (6GK7 443-1EX11-0XE0). if so then what is the speed. 2. is RJ45 convertor required at all modbus devices? 3. i have attached the open modbus TCP manual also with this mail for your reference. 4. maximum number of modbus devices with CP 443-1? bcos generally 32 devices with CP341. 5. is it necessary to have separate cp 443-1 for modbus communication or we can club it with SCADA communication too. 6. if we club both SCADA and modbus communication in single CP 443-1, will it get loaded? with thanks & regards, senthil Attachment Open_Modbus_TCP_HB_English.pdf (794 Downloads)
SEM Posts: 12 Rating: (0)
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