Toshiba Programmable Controller PROSEC T3 Uživatelský manuál stáhnout pdf (Strana 25)

100

1. System Configuration

Operation mode switch :

Position of

the switch

Function

HALT

User program execution is hatted (HALT mode).

Changing the operation mode by the programmer is invalid.

Normally programming is done in this state.

RUN

When the operation mode switch is changed to RUN,

the user program execution is started (the RUN mode).

Changing the operation mode from the programmer is possible.

P-RUN

When the operation mode switch is changed to P-RUN,

user program execution is started (the RUN mode).

Changing the operation mode from the programmer is possible.

The user program and leading 4K words of data registers (D)

are write-protected.

The table below shows the initial operation modes after power ON

depending on the Operation mode switch and RAM/ROM switch

status.

RAM/ROM

switch

Mode

switch

Mode after

power on

Remarks

RAM

HALT HALT

RUN HALT

The CPU module is started in the HALT

mode and then waits for the RUN

command from the programmer,

or for a change-over of ttie operation

mode switch (->HALT->RUN).

P-RUN HALT

ROM

HALT

The user program is transferred in

accordance with the conditions

mentioned in the table on the preceding

page.

RUN

P-RUN RUN

The program transfer is not executed.

The CPU module is started based on

the contents of RAM.

NOTE (1) When power is turned on while the RAM/ROM switch

BAM, user program execution will not be started.

Regardless of the type of CPU module, therefore, the

RAM/ROM switch should be set to ROM for normal

operation.

(2) When the Operation mode switch is changed to RUN

while theRAM/ROM switch is in ROM, the program

transfer is executed, according to the conditions

mentioned in the table on the preceding page, before

the CPU module starts operation.

(3) For details on operation modes, see "T3 User's

Manual-Functions" in a separate volume.

User's manual - Hardware 17

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