Upload From Plc To Usb; Verify Between Plc And Usb; Boot From Usb - Hitachi MICRO-EHV+ Applications Manual

3.22.2 Upload from PLC to USB

Application program and source file, if available, is uploaded from FLASH memory in the PLC to USB memory.
Follow the steps as below.
(1) Set the dip switch 2-ON, 1,3,4-OFF.
(2) Plug the USB memory to the USB connector of MICRO-EHV+.
(3) Application.app and Application.crc will be uploaded from PLC to USB. If source file (Archive.prj) is stored in
the PLC, it will be uploaded too as "Source.projectarchive", which can be opened by HX-CODESYS.
USB

3.22.3 Verify between PLC and USB

Application programs between PLC and USB are verified. Follow the steps as below.
(1) Set the dip switch 1,2-ON, 3,4-OFF.
(2) Store Application.app and Application.crc in the USB memory.
(3) Plug the USB memory to the USB connector of MICRO-EHV+.
(4) USB LED shows verifying result as below.
Verifying result
Match
Mismatch

3.22.4 Boot from USB

Application program is downloaded from USB to RAM memory in the PLC. Currently stored application in the
FLASH memory will NOT be overwritten. When USB memory is removed and power is cycled, original
application program in the FLASH memory will be loaded to RAM as a boot project. Follow the steps below.
(1) Create project files
Project files to be downloaded are created with HX-CODESYS. Choose the menu [Online] - [Create boot
application] in off-line mode and save them to USB memory. Then file "Application.app" and "Application.crc"
will be created in the root directory of USB memory.
(2) Plug the USB memory to the USB connector of MICRO-EHV+.
(3) Set the dip switch 3-ON, 1,2,4-OFF.
(4) Turn ON power to the PLC
(5) After USB LED blinking, project files have been downloaded to RAM memory of the PLC.
N o t e

If USB memory device is not plugged or no application file is stored in USB memory, exception "load boot
project failed" (error code 31) is detected.
 IP information is not changed in this operation mode. Do not set "Yes" at "Change IP information" in
Configuration parameter.
PLC
USB LED
ON
Blinking in 5 sec. (250ms ON / 250ms OFF)
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Chapter 3 Programming