Sequence Instructions

MC

(1)When the MC ON/OFF command is on at the start of master control, the operation results between MC and MCR are as performed by the instructions (ladder).

(2)If the MC instruction is off, the scan between the MC and MCR instructions is executed, and therefore, the scan time does not become short.

When the MC instruction is off, the operation results between MC and MCR are as described below.

100ms, 10ms timer

The count value is reset to 0 and both the coil and contact

turn off.

 

 

100ms retentive timer, counter

The coil turns off but both the count value and contact

maintain the current states.

 

 

Devices in OUT instruction

All turn off.

SET, RST,

 

 

SFT or

device in instruction

Maintains the current state.

basic

 

 

(3)By changing the device at D , the MC instruction can use the same nesting (N) number any number of times.

(4)When the MC instruction is on, the coil of the device specified at D turns on. Since using the same device in the OUT instruction, etc. will result in double coils,

the device specified at D should not be used in any other instruction.

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Mitsubishi Electronics 700 Series, FR-A700 specifications 134