Pixsys TD320, Руководство пользователя

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For eventual modifications of only the PLC part (as outlined) it is
not necessary to start TdDesigner. The compilation of the project
file_name.plp will maintain the graphics unchanged and will
activate the modifications of the Ladder diagram.
5 Memory areas of the TD320
The TD320 makes memory areas available where it is possible to
read or to write program data. Access to the various areas can
occur through instructions that access a single bit (b), a byte (B), a
word (W) or a double word (D).
SIGN AREA ACCESS
V
Area of Variable V
b, W, D
SM Area of Special Marker b, W, D
I Area of Digital Inputs b, W
AI Area of Analog Inputs b, W
Q Area of Digital Outputs b, W
M Area of Marker b, W
B Area of Bistable B
AQ Area of Analog Outputs b, W
T Area of Timer b, W
PT Area of Preset Timer b, W
C Area of Counters b, W
PV Area of Preset Counters b, W
EEP Area of EEPROM W
MMC Area of EEPROM data W
COM1 Area of buffer TX/RX port COM1 B
EXP Area of buffer TX/RX port EXP1 B
5.1 Area of Variable V
Area variable V is a memory area used by the program to retain
the data of the operations. It consists of 10000 locations of type
word (5000 double word). Access can occur through operations on