9-4
Chapter 9. User-defined Addresses

Changing the data address display system
When setting the data address with the SLP-C7, you can select the decimal or
hexadecimal system for the display method.
Click [Option] and then click [UF Address hex display] to change the display
method.

Normal memory area and RAM area
Data addresses can be specified for parameters in the normal memory area and the
RAM area. In the user-defined address settings, the user can select parameter data
in either area that is used for communication.

Normal memory area
Almost all parameters of this device are in the normal memory area, and these
parameters are classified into parameters for setting and for monitoring. User-
defined addresses can be set for either type of parameter.
Parameter data for setting in the normal memory area is stored in EEPROM.
Therefore, the data is retained even if a power failure occurs. Parameter data for
monitoring in the normal memory area is not stored in EEPROM and almost all
of the data is read-only, but the AT mode (start/stop) and MANUAL MV can be
written.
Handling Precautions
• The EEPROM has a read/write cycle lifespan. For data with a high read/write
frequency, write to parameters in the RAM area.
Data storage (p.13-9) in chapter 12, "Specifications."
• The MANUAL MV is not retained if a power failure occurs. If a power failure
occurs, the preset MANUAL value is used for the MV.
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