IDEC FL1E-H12RCA User Manual page 174

IDEC SmartRelay functions
Backup of the real-time clock
The internal real-time clock of IDEC SmartRelay is buffered
against power failure. The buffering time is influenced by the
ambient temperature, and is typically 80 hours at an ambient
temperature of 25°C. If you are using the optional IDEC
SmartRelay Battery cartridge, or combined IDEC
SmartRelay Memory/Battery cartridge, IDEC SmartRelay
can retain the clock time for up to two years. To backup the
real time clock for more than 80 hours, insert a battery
cartridge or a combined memory/battery cartridge to the
base module.
Sample configuration
The output of an IDEC SmartRelay is to be set annually on
March 1, reset on April 4, set again on July 7, and reset again
on November 19. You need to configure two twelve-month
time switches with corresponding on-times. Then logically
link the outputs by means of an OR block.
B1
Yearly = On
Monthly=Off
Pulse
B1
ON :
YYYY–MM–DD
2000–03–01
B1
OFF :
YYYY–MM–DD
2099–04–04
Result
March 1
at 00:00 h
160
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1+
Twelve-month
time switch 1
On-time Mar 1
=Off
Off-time Apr 4
2+
3+
B1
July 7
at 00:00 h
April 4
at 00:00 h
B2 1+
Twelve-month
Yearly = On
time switch 2
Monthly=Off
On-time Jul 7
Pulse =Off
Off-time Nov 19
B2 2+
ON :
YYYY–MM–DD
2000–07–07
B2 3+
OFF :
YYYY–MM–DD
2099–11–19
B2
November 19
at 00:00 h
IDEC SmartRelay Manual
On
Off