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22 PARAMETER REGISTRATION TO CPU MODULE
Deleting module extended parameters
The following explains how to delete each file of module extended parameters.
■Deleting module extended parameter "UEXmmmnn.PRM"
It can be deleted by the following procedure.
1. Place the CPU module in the STOP state.
2. On the "Module extended parameter setting " screen for RJ71C24(-R2/4) of Engineering tool, restore the default setting
value of module extended parameter.
3. Select [Online][Write to PLC].
4. On the "Online Data Operation" screen, select the checkbox of the corresponding Intelligent function module (C24), and
perform the write operation. At this point, the content in the flash ROM of C24 is deleted.
5. On the "Online Data Operation" screen, select the [Delete] tab. When there are module extended parameters on the
CPU module, "Module extended parameter: mmmm
*1
" is displayed on the [Parameter] in the tree. Select the checkbox
and perform the delete operation. By performing this operation, the module extended parameter on the CPU module is
deleted.
6. Return the CPU module to the RUN state as necessary.
*1 The 'mmmm' indicates the head input/output number of the module.
■Deleting module extended parameter "UEXmmm00.PPR"
It can be deleted by the following procedure.
1. Place the CPU module in the STOP state.
2. Start the Predefined protocol support function from the [Tool] menu of Engineering tool.
3. Select [Module Write] from the [Online] menu without adding protocol.
4. On the "Module Write" screen, select "Intelligent Function Module" as the target memory, and perform the write
operation. At this point, the content in the flash ROM of C24 is deleted.
5. After the step 4 above, select [Online] [User Data] [Delete] of Engineering tool. The "User Data Operation" screen
is displayed.
6. When there are module extended parameters on the CPU module, user data "UEXmmm00.PPR
*1
" is displayed. Select
the checkbox and perform the delete operation. By performing this operation, the module extended parameter on the
CPU module is deleted.
7. Return the CPU module to the RUN state as necessary.
*1 The value indicating the head input/output number of the module 10H (3 digits in hexadecimal) is entered in 'mmm'.
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