DSG Systems Virtual PLC & HMI
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Virtual PLC & HMI
GREEN LIGHT
Hint: Controlled by HMI → PLC; feedback to HMI.
IN
FB
YELLOW LIGHT
Hint: Warning indicator.
IN
FB
RED LIGHT
Hint: Fault/stop.
IN
FB
COOLING FAN
Hint: On/Off & analog speed (0–100%).
IN
FB
PLC
Scan: outputs follow commands; device feedback lags slightly.
IN
Q.G
Q.Y
Q.R
Q.F
HMI
Green Light Button
Yellow Light Button
Red Light Button
Maintained
Reset
Fan On
Fan Speed
Shortcuts:
G/Y/R
lights,
F
fan,
[ / ]
speed,
R
reset.
CMD
FB