Mitsubishi FX3U Series Programming Manual

580
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
24 Others – FNC181 to FNC189
24. Others – FNC181 to FNC189
FNC181 to FNC189 provide instructions for generating random numbers, executing CRC data operations, and
processing data in high-speed counter operations.
FNC No. Mnemonic Symbol Function Reference
181 – –
182 COMRD Read device comment data Section 24.1
183 – –
184 RND Random Number Generation Section 24.2
185 – −
186 DUTY Timing pulse generation Section 24.3
187 – −
188 CRC Cyclic Redundancy Check Section 24.4
189 HCMOV High-speed counter move Section 24.5
COMRD DS
RND D
DUTY Dn2n1
nCRC DS
nHCMOV DS

Mitsubishi FX3U Series Specifications

General

Model	FX3U Series
Program Memory	64k steps
Execution Speed	0.065 μs/basic instruction
Type	PLC (Programmable Logic Controller)
Power Supply	100-240V AC
I/O Points	Up to 384
Communication	USB
Expansion	Supported via expansion modules
High-Speed Counters	Up to 6 channels
Analog Input/Output	Available via expansion modules
Temperature Range	0 to 55°C
Programming Language	Ladder Logic, Structured Text
Built-in Functions	PID control
Humidity	5 to 95% (non-condensing)