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Messages - rblacksea

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General Discussions / Omron PLC LED lights on input terminal
« on: May 14, 2004, 01:55:38 PM »
I have Omron CPM2. It has 24V in/out. Input is connected as sourcing circuit. Strange thing is that when voltage is applied to input terminals some input LED lights are on some are off. Is status of input LED lights depend on logic? I mean if voltage is applied to particular input the correspondent LED light should be on regardless to interpretation of this input as NC or NO in internal logic.

Frequently Asked Questions / RS232 to USB port adaptor
« on: May 02, 2004, 08:11:36 AM »
Did anyone have problem with downloading or uploading from PLC using RS232 connected to USB port through adapter (usb to rs232)?

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