6.1 PLC Connection 6-3
Available Device Memory
The available setting range of device memory varies depending on the PLC model. Be sure to set within the range available for
the PLC to be used. Use [TYPE] when assigning indirect device memory for macro programs.
* Access to the device memory area is not allowed if a password is set for the area.
*1 The addresses are expressed in “bytes”. For word designation, specify an even-numbered address.
Address denotations
The assigned device memory is expressed as shown below when editing the screen.
Example: P800 - F00000001
Indirect Device Memory Designation
For P300 / P800 / P801 device memory:
Specify a value obtained by dividing the address by 2. (Discard the fraction.)
Example: With indirect device memory designation, “9” is assigned for “P300-I00000013”.
13 (HEX) = 19 (DEC)
19 2 = 9.5
Device Memory TYPE Remarks
P100-0 Port 100 - Index group 0 00H
P300-I Port 300 - Inputs 01H
Read only
*1
P300-O Port 300 - Outputs 02H
Write only
*1
P800-I Port 800 - Inputs 03H *1
P800-O Port 800 - Outputs 04H *1
P800-F Port 800 - Flags 05H *1
P801-I Port 801 - Inputs 06H *1
P801-O Port 801 - Outputs 07H *1
P801-F Port 801 - Flags 08H *1