Delta RMC151 - Manual (Page 229)

4 Using RMCTools
Variable values can be remembered between power cycles by marking them as retentive
(RMC75E and RMC150E only), or by updating Flash. The table below compares each
method. Usually, marking variables as retentive is a better choice than using Flash.
Updating Flash Retentive Variables (RMC75E and
RMC150E only)
Value Stored Initial Value Current Value
Update
Frequency
When the Update Flash is
commanded by user or
program
Automatically every 100msec
Update Time RMC75S/P: 1 second
RMC75/RMC150: 2
seconds
< 10 milliseconds
Write Cycle
Limits
100,000 or 1 million, see
below
None
Flash Write Cycle Limits
The Flash memory chip on the RMC75S and RMC75P is limited 100,000 update cycles.
The RMC75E and RMC150E are limited to 1 million update cycles. Due to these limits, you
should take care to program the RMC so that this limit will not be exceeded during the life
of the controller.
4.5.7. Resetting the RMC to Defaults
Resetting the RMC to its default settings will erase the settings in Flash memory and replace
them with the default settings. If you want to save the settings in the RMC before resetting it
to default settings, do so by uploading all and then saving the project in RMCTools.
To reset the RMC to its default settings:
• On the Controller menu, click Reset Controller to Defaults.
• Click Yes. The RMC Flash memory will be erased and replaced with the default
settings.
4.6. Modules
4.6.1. Modules List
The Modules folder in the Project Pane lists all the RMC's hardware modules.
View/Change Module Properties
To view or change the properties of each module listed, double-click the module.
View Module Specifications
For hardware specifications for each module, see the topic for the individual module,
accessible from the RMC70 and RMC150 overview topics.
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