Omron SYSMAC CP CP1E-N@@D@-@ Manual do Utilizador descarregar pdf (Página 400)

100

101

2 Instructions

2-364

CP1E CPU Unit Instructions Reference Manual(W483)

Precaution

• Do not read or write the system word (C) from any other instruction. MTR(213) will not operate cor-

rectly if the system word is accessed by another instruction. The system word is not initialized by

MTR(213) in the first cycle when program execution starts. If MTR(213) is being used from the first

cycle, clear the system word from the program.

• MTR(213) will not operate correctly if I/O refreshing is not performed with the Input Unit and Output

Unit connected to the external matrix after MTR(213) is executed. Consequently, set the input time

constant for the Input Units used for the data line input word to a value that is shorter than the cycle

time.

• When executed, MTR(213) begins reading the matrix status from the beginning of the matrix, regard-

less of the point at which the last instruction was stopped.

Sample program

In this example, MTR(213) reads the 64 bits of data from the 8 × 8 matrix and stores the data in W0 to

W3. The 8 × 8 matrix is connected through CIO 3 and CIO 104. D1000 is used as the system word.

MTR(213)

104

D1000

P_On

Always ON Flag

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