ER-A520/A530 Dealer Knowledge Book
Page 244 of 266 Specifications subject to change without notice: Revision date 10/07
IPL FUNCTION via RS232 Interface (Later Models)
This function is used to rewrite the Flash ROM program of the main PWB unit for the ER-A520/A530, where
an existing program is written in the Flash ROM and is operating normally. That is, the product must be
operating normally in order to use this function. If the product is not operating normally for some reason,
this function cannot be used. If the Flash ROM itself is defective, replace it with one where the program has
already been written. In this case, there is no need to use this function.
Required:
POSTool3.exe (PC software for writing the ROM data).
ཱ ROM data file (Example: A520U_1C.ROM).
ི RS232 crossover cable.
ཱི PC (OS: Windows 98SE, ME, 2000, XP).
ུ ER-A520/A530 (where an existing program is already written and is operating normally).
Procedures:
Copy the POSTool3.exe file and the ROM data file to the desired folder on the PC to be used.
ཱ Connect the COM port (RS232) of the PC and Channel 2 of the ERA520/A530 with the RS232
crossover cable.
ི Operations at the PC:
i. Start the application (click on POSTool3.exe).
ii. Click [Add files] and select ROM data (example: A520U_1C.ROM).
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