Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 76

Instructions, standard functions/function blocks

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Index register operation instruction

■Saving/returning all data of the index register

Instruction symbol

■Saving/returning the selected data of the index register and long index register

Instruction symbol

Data control instruction

■Upper and lower limit control of 16-bit/32-bit binary data

Instruction symbol

■Dead band control of 16-bit/32-bit binary data

Instruction symbol

■Zone control of 16-bit/32-bit binary data

Instruction symbol

3 CPU MODULE INSTRUCTION

3.3 Application Instruction

Saves the contents of index registers to the devices specified by (d) onwards.

Reads the data in devices specified by (d) onwards to the index registers.

Saves the contents of the index registers and long index registers in the range specified by (s) to

devices specified by (d) onwards.

Reads data in the devices specified by (d) onwards to the index registers and long index registers.

(s3) < (s1): The (s1) value is stored in (d)

(s1)  (s3)  (s2): The (s3) value is stored in (d)

(s2) < (s3): The (s2) value is stored in (d)

[(s3)+1, (s3)] < [(s1)+1, (s1)]: The [(s1)+1, (s1)] value is stored in [(d)+1, (d)]

[(s1)+1, (s1)]  [(s3)+1, (s3)]  [(s2)+1, (s2)]: The [(s3)+1, (s3)] value is stored in [(d)+1, (d)]

[(s2)+1, (s2)] < [(s3)+1, (s3)]: The [(s2)+1, (s2)] value is stored in [(d)+1, (d)]

When (s1)  (s3)  (s2): 0  (d)

When (s3) < (s1): (s3) - (s1)  (d)

When (s2) < (s3): (s3) - (s2)  (d)

When [(s1)+1, (s1)]  [(s3)+1, (s3)]  [(s2)+1, (s2)]: 0  (d+1, d)

When [(s3)+1, (s3)] < [(s1)+1, (s1)]: [(s3)+1, (s3)] - [(s1)+1, (s1)]  [(d)+1, (d)]

When [(s2)+1, (s2)] < [(s3)+1, (s3)]: [(s3)+1, (s3)] - [(s2)+1, (s2)]  [(d)+1, (d)]

When (s3) = 0: 0  (d)

When (s3) > 0: (s3) + (s2)  (d)

When (s3) < 0: (s3) + (s1)  (d)

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