Jetter AG
105
JVM-507B
Programming
Technical specifications
Parameter
Description
Power reserve
10 days max. after being separated from
U BATT
Deviation
1 minute per month max.
If the HMI has been separated from the battery for a longer period of time and
the RTC power reserve has elapsed, it takes the following actions when
re-booting:
Step
Description
1
During the boot process the HMI detects that the power reserve has
elapsed (R 367010).
Register 367011 shows the battery voltage in millivolts. This function can
be used to trigger a warning message in good time.
2
The HMI sets date and time to their default values:
Date: Saturday, January 01, 2000
Time: 0:00 a.m.
The factory settings for date is Saturday, 01 January, 2000.
Technical specifications:
Realtime clock
Behavior when the
power reserve has
elapsed
Factory settings