Cpu Module Operating Modes; Operating Modes; Status And Operation Under Different Operating Modes - Delta DVP-ES3 Series Operation Manual

D V P - E S 3 S e r i e s O p e r a t i o n Ma n u a l

11.2 CPU Module Operating Modes

11.2.1
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There are two operating modes. They can be used to control a user program and all tasks.
STOP mode: A program is not executed under this mode. Users can download a module table, initialize CPU
RUN mode: A program is executed under this mode. Users can not download a module table, and initialize
11.2.2
The following table lists the status and operation states for RUN and STOP modes.

Basic operation
CPU
mode
STOP
RUN

Relationship between the operating modes and tasks
Mode
STOP
RUN
11 - 4

Operating Modes

configuration and other setting, download a program, check a program, and force a bit ON/OFF.
CPU configuration and other setting.

Status and Operation under Different Operating Modes

I/O
Program
refreshing
The execution
I/O refreshing
of the program
executes.
stops.
The program I/O refreshing
executes. executes.
Loop task
Execution of a loop tasks stops.
 The tasks that have not been executed are in the
HALT state.
 If a task is active, or the instruction TKON is
executed, the task executes.
 If a task is not active, or the instruction TKOFF
executes, the task does not execute.
External output
OFF. If you set the I/O
module so that the final
state of the external output
on the I/O module is
retained, the final state of
the external output on the
I/O module is retained.
The program controls the
external output.
Execution of an interrupt task
stops.
If the condition of the interrupt is
met, the interrupt task executes.
Program memory
Non-latched Latched
area area
The data in the program
memories is retained.
The program controls the
program memories.
Interrupt task