Lg Electronics 120S 사용자 설명서
Chapter 5 Power Supply / CPU
5-2
5.2 CPU Specifications
The following table shows the general specifications of the MASTER-K120S series
5.2.1. Standard Type
Specifications
Items
K7M-DR/DRT/DT20U
K7M-DR/DRT/DT30U
K7M-DR/DRT/DT40U K7M-DR/DR`T/DT60U
Remarks
Program control method Cyclic execution of stored program, Time-driven interrupt, Process-driven interrupt
I/O control method
Indirect mode(Refresh method), Direct by program command
Program language
Instruction list, Ladder diagram
Numbers of instructions
Basic : 30, Application : 277
Processing speed
0.1
µs/step
Program capacity
10ksteps
I/O
points
20 30 40 60
P
P000 ~ P63F
I/O relay,TR.
M
M000 ~ M191F
Auxiliary relay
K
K000 ~ K31F
Keep relay
L
L000 ~ L63F
Link relay
F
F000 ~ F63F
Special relay
T
100msec : T000 ~ T191 (192 points)
10msec : T192 ~ T250 (59 points)
1msec : T251 ~ T255 (5 points)
-. Adjustable by parameter setting
Timer
C
C000 ~ C255
Counter
S
S00.00 ~ S99.99
Step controller
Memory
device
D
D0000 ~ D4999
Data register
Operation modes
RUN, STOP, PAUSE, DEBUG
Self-diagnosis functions Detects errors of scan time, memory, I/O and power supply
Data back-up method
Latch area back-up
Max. expansion level
Up to 3 level
(External memory or RTC module can be connected as 4th expansion module)