Yaskawa MP2300S Basic Module - Manual (Page 136)

5.1 Startup Sequence and Basic Operation
5.1.2 Startup Sequence
5-3
Outline of Motion Control Systems
5.1.2 Startup Sequence
The startup sequence for the MP2300S from the moment when the power has been turned ON is shown in the follow-
ing flowchart.
Note: Refer to 5.1.3 Startup Sequence Operation Details on the next page for details on (1) to (5).
FLASH
ON
OFF
DWG.L
executed
Output Output
DWG.H
executed
Completed
after one cycle.
DWG.I
executed
Input Input
Low-speed
scan High-speed
scan
Interrupt
signal
Ladder program
Power ON
Startup
self-diagnostics (1)
Memory clear
FLASH → RAM
Copy
Watchdog timer
start
DWG.A executed
(Ladder program)
Order of priority High Low
Online self-diagnostics
(5)
Background
Normal operation
Self-configuration
execution (2)
Configuration mode
RUN indicator lit User program stops
Operation starts (3)
Operation stops (4)
RDY indicator lit
Judges the setting
of switch 3 (CNFG)
of DIP switch SW1
Judges the
setting of switch 6 (STOP)
of DIP switch SW1
Judges the
setting of switch 4 (INIT)
of DIP switch SW1