| FX5U/FX5UC CPU Module | Specifications |
| 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 language | Ladder diagram (LD), structured text (ST), function block diagram/ladder language (FBD/LD) |
| Programming expansion function | Function block (FB), function (FUN), 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) |
Execution type | Standby type, initial execution type, scan execution type, fixed-cycle execution type, event execution type |
| Interrupt type | Internal timer interrupt, input interruption, high-speed comparison match interrupt, interrupt from module |
| Instruction processing time LD X0 | 34 ns |
| Instruction processing time MOV D0 D1 | 34 ns |
| Memory 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 | Max. 20000 times |
| File storage capacity
Device/label memory | 1 |
| Data memoryP: No. of program files FB: No. of FB files | P: 32, FB: 16 |
| SD memory card | 2 Gbytes: 511Q1, 4 Gbytes: 65534Q1 |
| Clock function
Display data | Year, month, day, hour, minute, second, day of week (leap year automatic detection) |
| Precision | Monthly difference: ±45 sec at 25°C (typical value) |
| (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 |
| Capacity for power failure retention | 12 K words maximumQ3 |
