Mitsubishi Electric Q173HCPU Specifications download pdf (Page 60)

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3 MOTION DEDICATED PLC INSTRUCTION

[Description]

(1) This instruction is dedicated instruction toward the Motion CPU in the Multiple CPU

system. Errors occurs when it was executed toward the CPU except the Motion

CPU.

(2) The speed change is executed of the axis specified with (S1) during positioning or

JOG operating.

(3) S(P).SFCS/S(P).SVST/S(P).CHGA/S(P).CHGV/S(P).CHGT/S(P).DDRD/

S(P).DDWR cannot be executed simultaneously toward the CPU executing

S(P).CHGV instruction.

When the Motion dedicated PLC instruction is started continuously, It is necessary

to take an inter-lock by the to self CPU high speed interrupt accept flag from

CPUn.

(4) It is necessary to take an inter-lock by the speed changing flag of the shared CPU

memory so that multiple instructions may not be executed toward the same axis of

the same Motion CPU No..

[Operation]

State display device (D1+1)

at the instruction start

accept completion

S(P).CHGV instruction

OFF

1 scan

PLC program

Instruction accept

completion at the

Motion CPU side

END

Speed change

Instruction start

accept complete device

(D1+0)

Speed changing flag

OFF

To self CPU high speed interrupt

accept flag from CPUn

S(P).CHGV execution

Speed change processing

ON : Abnormal completion only

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Mitsubishi Electric Q173HCPU Specifications Page 60

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