SX Series PLC
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SA – SX Function Specifications
| Item
|
Specification
|
Remark
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| Control Method
|
Stored program, cyclic scan system
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| I/O Processing Method
|
Batch processing method (when END command is executed)
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I/O refresh command is available
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| Execution Speed
|
Basic command (several μs)
|
Application command (10~hundredsμs)
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| Program Language
|
Instructions + Ladder Diagram + SFC
|
Step instructions included
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| Program Capacity
|
7920 STEPS
|
SRAM + Battery
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| Commands
|
Basic commands: 32 (including the STL/RET commands)
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Application commands: 168
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| Relay (bit mode)
|
X
|
External input relay
|
X0~X177, octal number system, 128 points
|
Total
256 points
|
Corresponds to external input point
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| Y
|
External output relay
|
Y0~Y177, octal number system, 128 points
|
Corresponds to external output point
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| M
|
Auxiliary
Relay
|
General
|
M0~M511, 512 points
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Total
4096 points
|
Contacts can switch to On/Off in program
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| Latched
|
M512~M999, 488 points Latched M2000~M4095, 2096 points
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| Special
|
M1000~M1999, 1000 points (some are latched)
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| T
|
Timer
|
100ms
|
T0~T199, 200 points
T192~T199 for Subroutine T250~T255, 6 points Accumulative
|
Total
256 points
|
When the timer that is set by the TMR command reaches the preset value, the T contact with the same number will be On.
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| 10ms
|
T200~T239, 40 points T240~T245, 6 points Accumulative
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| 1ms
|
T246~T249, 4 points Accumulative
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| C
|
Counter
|
16-bit count up
|
C0~C95, 96 points, C96~C199, 104 points
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Total
250 points
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When the counter that is set by CNT (DCNT) command reaches the preset value, the C contact with the same number will be On.
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| 32-bit count
up/down
|
C200~C215, 16 points
C216~C234, 19 points
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| 32bit high-speed
count up/down
|
C235~C242, 1 phase 1 input, 9 points
C246~C249, 1 phase 2 input, 3 points C251~C254, 2 phase 2 input, 3 points
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| S
|
Step
point
|
Initial step point
|
S0~S9, 10 points
|
Total
1024 points
|
Usage device of step ladder diagram (SFC)
Latched Range: Start: D1214 (K512) End: D1215 (K895)
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| Zero point
reset
|
S10~S19, 10 points (use with IST command)
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| General
|
S20~S511, 492 points
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| Latched
|
S512~S895, 384 points
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| Alarm
|
S896~S1023, 124 points
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| Register
(WORD data)
|
T
|
Current value of the
timer
|
T0~T255, 256 points
|
When the timer reaches the preset value, the contact of timer will be On.
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| C
|
Current value of the
counter
|
C0~C199, 16-bit counter, 200 points
C200~C254, 32-bit counter, 50 points
|
When the counter reaches the preset value, the contact of counter will be On.
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| D
|
Data
register
|
General
|
D0~D199, 200 points
|
Total
5000 points
|
Can be the memory area for storing data. E and F can be used for the special purpose of index indication.
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| Latched
|
D200~D999, 800 points ,
D2000~D4999, 3000 points
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| Special
|
D1000~D1999, 1000 points
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| Index
|
E0~E3, F0~F3, 8 points
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File register
|
0~1599 (1600 points)
|
Expansion registers for storing data.
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| Pointer
|
N
|
For master control
nested loop
|
N0~N7, 8 points
|
Control point of master control
nested loop
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| P
|
For CJ, CALL commands
|
P0~P255, 256 points
|
The location point of CJ, CALL.
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| I
|
Interrupt Service
|
External interrupt
|
I001 (X0), I101 (X1), I201 (X2), I301 (X3), I401 (X4), I501 (X5); 6 points (all are rising-edge trigger)
|
The location pointer of interrupt subroutine
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| Time interrupt
|
I6□□ (1ms), I7□□ (1ms), (□□＝1~99ms)
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| Hi-speed counter
|
I010, I020, I030, I040, I050, I060; 6 points
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| Communication
|
I150, 1 point
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| Constant
|
K
|
Decimal
|
K-32,768 ~ K32,767 (16-bit operation)
K-2,147,483,648 ~ K2,147,483,647 (32-bit operation)
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| H
|
Hexadecimal
|
H0000 ~ HFFFF (16-bit operation), H00000000 ~ HFFFFFFFF (32-bit operation)
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| Programming port
|
COM1: RS-232, COM2: RS-485 (Master/Slave), They can be used at the same time.
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| Analog Volume / RTC
|
MPU built-in bipolar 2-CH A/D, D/A, 12 bits, 2-digital 7-segment display (SX only), built-in RTC
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| Special Expansion Module
|
Uses the same modules (AD, DA, PT, TC, XA, RT) as SS series. (Max. 8 Expansion Unit points)
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