Kinco KS Series - Real-Time Clock (RTC); Backup Battery

Kinco-KS series
13
save in E
2
PROM automatically.K2 sets VB3648--VB3902 as data backup by default,if user
needs to use VB3903--VB4095 for data backup,it needs to configure in 【PLC hardware
configuration】.The configuration interface is as following figure.
2.2.8 Real-time Clock (RTC)
The real-time clock built in the all CPU modules can provide real-time clock/calendar
indication. Users need to use KincoBuilder【PLC】->【Time of Day Clock...】to set the clock
when using RTC first time. Then users can use real-time clock instructions（READ_RTC、
SET_RTC、RTC_W、RTC_R）.
After CPU power off, the real-time clock can be maintained by lithium battery. The life of
battery is 5 years and the retaining duration is 3 years at normal temperature.
2.2.9 Backup Battery
KS can use certain specification lithium battery as backup battery. When PLC is
power-off, it will use the backup battery to maintain real-time clock and RAM.
The backup battery is removable, user can replace new battery by themselves when the
battery is empty.
The lithium battery is CR2032(3V) with connector. As shown in
figure,
user can order the battery separately.