Mitsubishi MELSEC User Manual

9
EMC AND LOW VOLTAGE DIRECTIVES
9.1 Requirements for Conformance to EMC Directive
9.1.5 Others
9 - 7
9
EMC AND LOW VOLTAGE DIRECTIVES
10
LOADING AND INSTALLATION
11
MAINTENANCE AND INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
9.1.5 Others
(1) Ferrite core
A ferrite core has the effect of reducing conduction noise in around 10MHz band and
radiated noise in the 30MHz to 100MHz band.
It is recommended to fit ferrite cores if shielded cables pulled out of the panel do not
provide sufficient shielding effects or if the emission of conduction noise from the
power supply line has to be suppressed.
It is also recommended to fit a ferrite core to the USB cable which connects the CPU
and the personal computer as measures against noise.
Regarding the number of winding to the ferrite core, the more the better. The two turns
or more is recommended as the number of winding.
Note that the ferrite cores should be fitted to the cables in the position immediately
before they are pulled out of the panel. If the fitting position is improper, the ferrite will
not produce any effect.
Figure 9.8 For number of winding is two turns or more

Mitsubishi MELSEC Specifications

General

Category	Programmable Logic Controller (PLC)
Manufacturer	Mitsubishi Electric
Series	MELSEC
Programming Languages	Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL), Sequential Function Chart (SFC)
Communication Protocols	Ethernet, CC-Link, RS-232, RS-485, USB, Profibus, Modbus
Model Series	FX, Q, L, iQ-R, iQ-F
Input Voltage	100-240V AC, 24V DC (varies by model)
Memory Capacity	Varies widely depending on the CPU module and series. Ranges from kilobytes to megabytes.
I/O Points	16 to 8192 points (varies by model)
Communication Ports	Ethernet, RS-232, RS-485, USB (varies by model)
Programming Software	GX Works2, GX Works3, GX Developer
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Humidity	5% to 95% (non-condensing)
Vibration Resistance	10 to 57Hz, 0.075mm amplitude; 57 to 150Hz, 9.8m/s² acceleration
Shock Resistance	147m/s², 3 times in each direction (X, Y, Z)
Protection Class	IP20 (varies by model)
CPU Processing Speed	0.02μs to 0.1μs per instruction (varies by model)