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Logic Editors
LD Editor
68 CIMPLICITY Logic Developer - PLC Version 4.00 GFK-1918D
5
To insert an instruction
1. In the LD editor, right-click an empty cell and choose Place Instruction.
A smart list appears listing all available instruction mnemonics.
2. Choose an instruction mnemonic from the list and press ENTER.
Note: Only functions that have no inputs can be placed in the first column.
To configure an instruction’s address and length properties
There are two methods to configure an instruction’s address and length properties.
First method
1. In the LD editor, insert an instruction that requires Address and/or Length configuration.
2. Right-click the instruction and choose Properties.
The Inspector displays the instruction’s properties.
3. In the Address property, enter a variable name or a reference address to specify the start of a memory block.
Note: If you type a reference address, it is converted to a variable name
automatically.
4. In the Length property, enter the number of PLC registers that the instruction requires in the memory block.
Four question marks correspond to the
Address property
Two question marks correspond to the
Length property.
Address Field
Length Field