Filter
Top Products
10. PLC Help Function
- 268 -
(3) External switch and PLC switch
(Example 1)
When an external optional stop switch (X14) is provided;
RST M9
RST M8
RST M8
RST M9
X14
X143
X14 X143
X14 X143
X14 X143
M9
SET
M8
SET M9
PLS M6
PLS M7
M8
SM83
M6
M7
Y163
X143
Under sequence control in the above example, the switch marks on the PLC switch screen can
be operated from both external and PLC switches.
(Example 2)
When an external switch (XC) that inhibits a PLC switch handle interrupt is
provided;
PLS M10
X144 XC
X144
XC
Y164
M10
SM84
Under sequence control in the above example, when the external switch (XC) is on, the PLC
switch for a handle interrupt cannot be turned on.