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Networks & Comms

EtherNet/IP, PROFINET, Modbus, OPC UA, MQTT and DeviceNet.
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TwinCAT EtherCAT at 250 us with 30 slaves, cycle time exceeded and motion jitter

Last post by mattr, 1 month ago

Posts: 8
Views: 29


PRONETA and TIA V17 find no PROFINET devices from the engineering VLAN, ping works

Last post by petek, 1 month ago

Posts: 8
Views: 21


1734-AENTR over industrial wifi drops 16#0204 a few times an hour

Last post by petek, 1 month ago

Posts: 7
Views: 20


Ignition can't reach a 1756-L72 on VLAN 20 from VLAN 10, IT says routing is fine

Last post by eddieb, 1 month ago

Posts: 9
Views: 36


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Modbus RTU RS-485 to six meters on a MicroLogix 1400, timeouts on the far three

Last post by marcob, 1 month ago

Posts: 8
Views: 24


Gantry axes on EtherCAT drift apart over a long move, TwinCAT distributed clocks off

Last post by carav9, 1 month ago

Posts: 8
Views: 29


Modbus TCP through a serial gateway, exception 0B or no reply from every slave

Last post by marcob, 1 month ago

Posts: 8
Views: 31


EtherNet/IP MSGs cross the firewall fine, 1794-AENT I/O in the other zone gets 16#0204

Last post by plctr_admin, 1 month ago

Posts: 9
Views: 35


1756-EN2T solid red NET LED after a spare went in, duplicate IP on another line

Last post by plctr_mod, 1 month ago

Posts: 7
Views: 40


1769-L33ER port stuck at 100 half after IT locked the switch port, late collisions

Last post by sparkymike, 1 month ago

Posts: 8
Views: 40


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