[N] Parameters for I/O Tags

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[N] Parameters for I/O Tags

Reading and Writing

 

N1

PLC number, greater than 0 (zero)

N2

Type of a variable. For more information, please check table Types of Variables

N3

Address, which varies according to N2. For more information, please check table Types of Variables versus Addressing

N4

0 (zero, not used)

 

Types of Variables

Type of Variable (N2)

Description

0

Absolute memory address

1

Display 1 (one)

2

Display 2 (two)

3

Display 3 (three)

4

Display 4 (four)

 

Types of Variables versus Addressing

Type of Variable (N2)

Address (N3)

0

Address of a variable

1, 2, 3, or 4

Display position

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