Mitsubishi Electronics FX5U ユーザーズマニュアル

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2  SPECIFICATIONS
2.6  Performance Specifications
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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
4 Gbytes: 65534
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
Retention method
Large-capacity capacitor
Retention time
10 days (Ambient temperature: 25 (77))
Data retained
Clock data