33
3
3 Elements
3.1 Table of Elements
3.1 Table of Elements
Name Description
Input/Output relay
Input relay X0 to X377 256 points
Numbered with an octal number, 512 input and
output points in total
Output relay Y0 to Y377 256 points
Auxiliary relay
For general purpose M0 to M499 500 points
Retained upon power failure
For retention purpose M500 to M1023 524 points
For retention purpose M1024 to M7679
6656
points
Retained upon power failure
For special system use M8000 to M8511 512 points Retained upon power failure
For special system use SM0 to SM1023
1024
points
Retained upon power failure
Status relay
Initial status S0 to S9 10 points
Retained upon power failureFor general purpose S10 to S499 490 points
For retention purpose S500 to S899 400 points
For alarm purpose S900 to S999 100 points Retained upon power failure
For retention purpose S1000 to S4095
3096
points
Retained upon power failure
Timer
100 ms T0 to T191 192 points 0.1 to 3276.7 s
100 ms T192 to T199 8 points
0.1 to 3276.7 s, used for subprograms and interrupt
subprograms
10 ms T200 to T245 46 points 0.01s to 327.67s
1 ms accumulation type T246 to T249 4 points 0.001s to 32.767s
100 ms accumulation type T250 to T255 6 points 0.1 to 3276.7 s
1 ms T256 to T511 256 points 0.001s to 32.767s
Counter
General-purpose incremental
counter (16-bit)
C0 to C99 100 points
0 to 32,767, retained upon power failure
Incremental counter for retention
purpose (16-bit)
C100 to C199 100 points
General-purpose dual-direction
(32-bit)
C200 to C219 20 points
-2,147,483,648 to +2,147,483,647, retained upon
power failure
Dual-direction for retention purpose
(32-bit)
C220 to C234 15 points
High-speed counter
Single-phase single-counting input
dual-direction (32-bit)
C235 to C245 11 points
-2,147,483,648 to +2,147,483,647, retained upon
power failure
Single-phase dual-counting input
dual-direction (32-bit)
C246 to C250 5 points
Dual-phase dual-counting input
dual-direction (32-bit)
C251 to C255 5 points
Data register
For general purpose (16-bit) D0 to D199 200 points
Retained upon power failure
For retention purpose (16-bit) D200 to D511 312 points
For retention purpose (16-bit) D512 to D7999
7488
points
Retained upon power failure
For special purpose (16-bit) D8000 to D8511 512 points Retained upon power failure
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