IDEC SmartRelay Manual
105
Programming IDEC SmartRelay
3.9 Memory space and circuit program size
Toggling an error alert
ou can enable/disable an error alert by following these steps:
1. In the diagnostic menu shown below, move the cursor to
: Press or
2. Confirm : Press O
3. The circle with a dot indicates the current setting. To change the setting: Press or
4. Confirm your selection: Press O
. IDEC SmartRelay returns to the previous view.
If you enable the error alert, when an error occurs, the IDEC SmartRelay display turns to red
backlight, reminding you that IDEC SmartRelay detects an error. ou can go to the
diagnostics menu to view and clear the error.
3.9 Memory space and circuit program size
The size of a circuit program in IDEC SmartRelay is limited by the memory space.
Memory areas
Program memory:
IDEC SmartRelay allows only a limited number of blocks in your circuit program.
The second limitation is based on the maximum number of bytes a circuit program can
contain. ou can determine the total number of bytes used by adding up the number of
bytes used for the relevant function blocks.
Retentive memory (Rem):
In this area, IDEC SmartRelay stores values that are retentive for example, the operating
hours counter value. Blocks with optional retentivity use this memory area only if you have
enabled the retentivity function.
+DUGZDUH
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