6F3B0253

6. Programming Information

6.6 User program configuration

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

RAM

System information

User program

Data registers mentioned in section 5.2

Other registers/

devices

Back-up area by EEPROM

NOTE

For conditions of transfer between RAM and EEPROM, see section 5.2.

92 T1-16S User’s Manual

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Toshiba 6F3B0253 user manual User program configuration