Kinco KS Series Manual

K
K
K
K inco
inco
inco
inco -K
-K
-K
-K S
S
S
S series
series
series
series
10
Data backup is that CPU provides an E
2
PROM to store data permanently. At power on, the CPU will restore
the data from E
2
PROM into RAM to execute.
Note:
Note:
Note:
Note: Because
Because
Because
Because E
2
PROM has a writing limit of 1 million times, users should avoid to write data into data
backup area frequently.
There are 448 bytes in V area for data backup (VB3648--VB4095),the data in this area will 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
2.2.8
2.2.8
2.2.8 Real-time
Real-time
Real-time
Real-time Clock
Clock
Clock
Clock (RTC)
(RTC)
(RTC)
(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
2.2.9
2.2.9
2.2.9 Backup
Backup
Backup
Backup Battery
Battery
Battery
Battery
K S 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.

Kinco KS Series Specifications

General

Brand	Kinco
Model	KS Series
Category	Controller
Language	English