Hardware manual

AH500 Quick Start
The CPU module is supplied with power.
The system enables the initialization.
y The non-latched memory is initialized.
y The user program is checked.
y The parameters in the CPU module are
checked.
y The parameters in the module table are
checked.
y The module table in the CPU module is
compared with the actual I/O configuration.
y The I/O setting is downloaded to the I/O
module.
y If the memory card is installed, whether to
execute the system copy procedure or not is
checked.
Diagnosis processing:
y The memory card and other setting are
checked.
y The I/O bus is checked.
y The system parameter is checked.
The data sent to the I/O module is refreshed.
y The data sent to the digital I/O module is
refreshed.
y The data sent to the analog I/O module is
refreshed.
y The data sent to other modules are refreshed.
Program execution:
y The user program is executed.
y The interrupt task is executed.
The data sent from the I/O module is refreshed.
y The data sent from the digital I/O module is
refreshed.
y The data sent from the analog I/O module is
refreshed.
y The data sent from other modules are
refreshed.
Communication service:
y The communication through the CPU module
y The communication through other I/O modules
y The internal communication between the CPU
module and the I/O module
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