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+--- Thread: Error - Operation in progress - MODBUS TCP/IP (/showthread.php?tid=5474)
Error - Operation in progress - MODBUS TCP/IP - Fahd - 20.06.2024
Hi,
I received the attached error when I tried to use the read-test or using profiles
Do you have any idea how to solve it?
RE: Error - Operation in progress - MODBUS TCP/IP - admin - 20.06.2024
Enable persistent connection mode in the device settings. This error is caused by the Modbus device supporting only a small number of open TCP connections. You can also try rebooting the Modbus device if the error persists.
RE: Error - Operation in progress - MODBUS TCP/IP - Fahd - 20.06.2024
(20.06.2024, 11:40)admin Wrote: Enable persistent connection mode in the device settings. This error is caused by the Modbus device supporting only a small number of open TCP connections. You can also try rebooting the Modbus device if the error persists.
I still have the same error (I rebooted the LM5), I get the same error even when I try to read data from an invalid IP.
The communication was okay until the Modbus device went offline for 1 month.
RE: Error - Operation in progress - MODBUS TCP/IP - admin - 20.06.2024
Reboot the Modbus slave device. Rebooting LM won't solve this issue.
RE: Error - Operation in progress - MODBUS TCP/IP - Fahd - 20.06.2024
(20.06.2024, 11:52)admin Wrote: Reboot the Modbus slave device. Rebooting LM won't solve this issue.
Same
RE: Error - Operation in progress - MODBUS TCP/IP - Daniel - 20.06.2024
Then it seems your slave is broken