Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

6. Programming Information
6.6 User program configuration
92 T1-16S User’s Manual
6F3B0253
A group of instructions for achieving the PLC-based control system is called ‘user
program’. The T1-16S has 8 k steps capacity for storing the user program.
A ‘step’ is the minimum unit, which composes an instruction. Number of steps required
for one instruction is depending on the type of instruction. Refer to section 7.1.
The figure below shows the T1-16S’s memory configuration.
4 k or 8 k steps
NOTE
RAM
System information
User program
Data registers
mentioned in
section 5.2
Other registers/
devices
Back-up area
by EEPROM
For conditions of transfer between RAM and EEPROM, see section 5.2.
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