Toshiba 6F3B0250, PROSEC T1 T1S user manual System information, User program

6F3B0250

6. Programming Information

System information

System information is the area which stores execution control parameters. The following contents are included in the system information.

(1)Machine parameters (hardware type, memory type)

(2)User program information (program ID, system comments, number of steps used)

(3)Passwords

(4)Retentive register area information

(5)T1S program memory mode, 4 k steps or 8 k steps (T1S only)

(6)Execution control parameters (scan mode, timer interrupt interval)

(7)Station number setting for programmer port (T1), or RS-485 port communication parameters (T1S)

(8)I/O allocation table

(9)Input force table

The system information is stored in the built-in EEPROM. Therefore, when these information is modified, the EEPROM write operation is necessary. Otherwise, these are over-written by original EEPROM contents at the next initial load timing.

User program

The T1 has a capacity of 2 k steps of the user program. And the T1S has a capacity of 8 k steps of the user program.

The user program is stored by each program types as shown in the following diagram, and is managed by units called blocks in each program types.

User program configuration

(Program types)

Main program

Sub-program #1

Timer interrupt

I/O interrupt #1

I/O interrupt #2

I/O interrupt #3

I/O interrupt #4

Program type internal configuration

(Blocks)

Block 1

Block 2

Block 10

Block N

(N = max. 256)

Block 1

Subroutine

Basic Hardware and Function 111

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