AH500 Quick Start 1-10 The CPU module is supplied with power. The system enables the initialization. The non-latched memory is initialized. The user program is checked. The parameters in the CPU module are checked. The parameters in the module table are checked. The module table in the CPU module is compared with the actual I/O configuration. The I/O setting is downloaded to the I/O module. If the memory card is installed, whether to execute the system copy procedure or not is checked. Diagnosis processing: The memory card and other setting are checked. The I/O bus is checked. The system parameter is checked. The data sent to the I/O module is refreshed.
The data sent to the digital I/O module is refreshed. The data sent to the analog I/O module is refreshed. The data sent to other modules are refreshed. Program execution: The user program is executed. The interrupt task is executed. The data sent from the I/O module is refreshed. The data sent from the digital I/O module is refreshed. The data sent from the analog I/O module is refreshed. The data sent from other modules are refreshed. Communication service: The communication through the CPU module The communication through other I/O modules The internal communication between the CPU module and the I/O module The system enables the initialization.
The non-latched memory is initialized. The user program is checked. The parameters in the CPU module are checked. The parameters in the module table are checked. The module table in the CPU module is compared with the actual I/O configuration. The I/O setting is downloaded to the I/O module. If the memory card is installed, whether to execute the system copy procedure or not is checked. Diagnosis processing: The memory card and other setting are checked. The I/O bus is checked. The system parameter is checked. The data sent to the I/O module is refreshed. The data sent to the digital I/O module is refreshed. The data sent to the analog I/O module is refreshed.
The data sent to other modules are refreshed. Program execution: The user program is executed. The interrupt task is executed. The data sent from the I/O module is refreshed. The data sent from the digital I/O module is refreshed. The data sent from the analog I/O module is refreshed. The data sent from other modules are refreshed. Communication service: The communication through the CPU module The communication through other I/O modules The internal communication between the CPU module and the I/O module