what is the difference between Digital output DO signals /Commands for start/

what is the difference between Digital output DO signals /Commands for
start/stop and Solenoid valves ??

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what is the difference between Digital output DO signals /Commands for start/stop and Solenoid v..

Answer / guest

DIGITAL OUTPUTS SIGMALS MEANS NO OR NC CONTACTS & DO COMMANDS
MEANS CONTACT CHANGE OVER ALONG WITH VOLTAGE 24 V DC 0R 230 V
AC

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