Some functional commands commonly used by Mitsubishi PLC - News - Global IC Trade Starts Here.

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(D) CMP (P) Comparison ------- Algebraic comparison of the data of the two source operating elements is performed, and the result is sent to the target element to determine the state of the target element.
Source operating element: K/H KnX KnY KnM KnS TCDV/Z
Target component: YMS
Format: LD X0
CMP(P) K100 C20 M0
When X0 is turned from OFF to ON: When K100>C20 current value, M0=1
When K100=C20 current value, M1=1
When K100 When the CMP is performed in a continuous manner, each scan cycle is executed once the condition is satisfied.
(D) ZMP(P) Interval comparison -------- Compares one data with the data interval of two source components, and sends the result to the target component to determine the state of the target component.
Source operating element: K/H KnX KnY KnM KnS TCDV/Z
Target component: YMS
Format: LD X0
ZCP(P) K100 K120 C30 M3
When X0 is turned from OFF to ON: When K100>C30 current value, M3=1
When K100≤C30≥K120, M4=1
When K120 When the ZCP is executed in a continuous manner, each scan cycle is executed once the condition is satisfied.
(D) MOV (P) transfer --------- Transfer the data of the operating element to the target component.
Source operating element: K/H KnX KnY KnM KnS TCDV/Z
Target component: KnY KnM KnS TCDV/Z
Format: LD X0
MOV(P) K100 D10
When X0 is turned from OFF to ON, 100 is transferred to D10. When MOV is executed in a continuous mode, when the condition is satisfied, each scan cycle is executed once.
For 32-bit data transfer with DMOV, the component pairs with the component number are used to form the component pair. The first digit of the component pair can be odd or even, but to avoid errors, the first pair of component pairs is recommended to use even numbers.
When the transfer instruction is executed, the constant is automatically converted to a binary number and stored in the target component.
SMOV(P) Shift Transfer --- Converts the data of the source component into a BCD code, and then shifts the BCD code to the target component as required.
Source operating element: K/H KnX KnY KnM KnS TCDV/Z
Target component: KnY KnM KnS TCDV/Z
The range of m:KHK/H is 1-4, that is, the value of D1 cannot exceed 9999.
n:KH
Use format: such as D1=1685 D2=0
LD X0
SMOV(P) D1 K4 K2 D2 K3
When X0 is turned from OFF to ON: Convert D1=1685 to BCD code to 0001 0110 1000 0101
D2=0 is converted to BCD code is 0000 0000 0000 0000
Then, the rightward 2 bits of the BCD code of D1 from the 4th bit from the right are moved to the 2nd position from the right of D2 to the right, and the 1st and 4th bits are unchanged. At this time, D2 is 0000 0001 0110 000 , D2=160
When the SMOV is executed in a continuous manner, each scan cycle is executed once the condition is satisfied.
(D) CML (P) negated transmission ----------- Convert the data in the source component into a binary number bit by bit (0 → 1, 1 → 0) and transfer it to the specified target component.
Source operating element: K/H KnX KnY KnM KnS TCDV/Z
Target component: KnY KnM KnS TCDV/Z
Format: such as D0=11
LD X0
CML(P)D0 K1Y0
When X0 is turned from OFF to ON: first convert D0=11 to binary to 1 0 1 0, then invert to 0 1 0 1
Then the output of K1Y0 is Y0=0, Y1=1, Y2=0, Y3=1
When CML is executed in a continuous manner, each scan cycle is executed once the condition is satisfied.
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