7. Basic Commands
MC, MCR
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{ MC, MCR ... Master control set/reset
Usable device
Bit device Word device
Con-
stant
Pointer
X Y M L F BSB T SM VTCDRWSWZSDKH P
Digit
desig-
nation
Index
No. of
steps
n
{ {
D
{
{ { { { { { { {
{
2/1
MC
MC ON/OFF command
D
Setting data
D
Nesting
(N0 to N7)
D device
Nesting (N0 to N7)
n
n
MCR n
n
Device No. to
be turned ON
Function
MC
(1) If the MC ON/OFF command is ON when the master control starts, the operation results between
MC and MCR will remain the same.
(2) If the MC ON/OFF command is OFF, the operation results between MC and MCR will be as
follows.
100ms, 10ms
timer
100ms cumulative timer counter
OUT
command
SET/RST SFT
Count value is set
to 0
Current count value is held
All become
OFF
The state is
retained
(3) Up to eight (N0 to N7) nests can be used. When using nests, the MC will use the nesting (N) from
the smallest No., and MCR will use from the largest No.
(4) The program between the MC command and MCR command will be scanned regardless of the
MC command ON/OFF state.
(5) By changing the destination D device, the MC command can be used as often as necessary in
one scan.
(6) When the MC command is ON, the coil for the device designated as the destination will turn ON.