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2 SPECIFICATIONS
2.6 Performance Specifications
23
2
2.6 Performance Specifications
*1 The value listed above indicates the number of files stored in the root folder.
*2 Clock data is retained using the power accumulated in a large-capacity capacitor incorporated into the PLC. When voltage of the large-
capacity capacitor drops, clock data is no longer accurately retained. The retention period of a fully charged capacitor (electricity is
conducted across the PLC for at least 30 minutes) is 10 days (ambient temperature: 25 (77)). How long the capacitor can hold the
data depends on the operating ambient temperature. When the operating ambient temperature is high, the holding period is short.
Item Specification
Control system Stored-program repetitive operation
Input/output control system Refresh system
(Direct access input/output allowed by specification of direct access input/output [DX, DY])
Programming
specifications
Programming language Ladder diagram (LD), structured text (ST), function block diagram/ladder diagram (FBD/LD)
Programming extension function Function block (FB), structured ladder, label programming (local/global)
Constant scan 0.2 to 2000 ms (can be set in 0.1 ms increments)
Fixed cycle interrupt 1 to 60000 ms (can be set in 1 ms increments)
Timer performance specifications 100 ms, 10 ms, 1 ms
No. of program executions 32
No. of FB files 16 (Up to 15 for user)
Operation
specifications
Execution type Standby type, initial execution type, scan execution type, event execution type
Interrupt type Internal timer interrupt, input interruption, high-speed comparison match interrupt
Command
processing time
LD X0 34 ns
MOV D0 D1 34 ns
Memory
capacity
Program capacity 64 k steps
(128 kbytes, flash memory)
SD memory card Memory card capacity (SD/SDHC memory card: Max. 4 Gbytes)
Device/label memory 120 kbytes
Data memory/standard ROM 5 Mbytes
Flash memory (Flash ROM) write count Maximum 20000 times
File storage
capacity
Device/label memory 1
Data memory
P: No. of program files
FB: No. of FB files
P: 32, FB: 16
SD Memory Card 2 Gbytes: 511
*1
4 Gbytes: 65534
*1
Clock function Display data Year, month, day, hour, minute, second, day of week (leap year automatic detection)
Precision -2.96 to +3.74 (TYP.+1.42) s/d (Ambient temperature: 0 (32))
-3.18 to +3.74 (TYP.+1.50) s/d (Ambient temperature: 25 (77))
-13.20 to +2.12 (TYP.-3.54) s/d (Ambient temperature: 55 (131))
No. of input/
output points
(1) No. of input/output points 256 points or less
(2) No. of remote I/O points 384 points or less
Total No. of points of (1) and (2) 512 points or less
Power failure
retention
*2
Retention method Large-capacity capacitor
Retention time 10 days (Ambient temperature: 25 (77))
Data retained Clock data