Mitsubishi MELSEC User Manual

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9.2 Requirement to Conform to the Low Voltage Directive
9.2.3 Power supply
9
EMC AND LOW VOLTAGE DIRECTIVES
9.2.3 Power supply
The insulation specification of the power supply module was designed assuming
installation category II. Be sure to use the installation category II power supply to the PLC.
The installation category indicates the durability level against surge voltage generated by
a thunderbolt. Category I has the lowest durability; category IV has the highest durability.
Category II indicates a power supply whose voltage has been reduced by two or more
levels of isolating transformers from the public power distribution.
9.2.4 Control panel
Because the PLC is an open device (a device designed to be stored within another
module), be sure to use it after storing in the control panel.*
* : Also, each network remote station needs to be installed inside the control panel.
(1) Electrical shock prevention
The control panel must be handled as shown below to protect a person who does not
have adequate knowledge of electricity from an electric shock.
• Lock the control panel so that only those who are trained and have acquired
enough knowledge of electric facilities can open the control panel.
• The control panel must have a structure which automatically stops the power
supply when the box is opened.
• For electric shock protection, use IP20 or greater control panel.
Figure 9.10 Installation category for power supply module
Category IV Category III Category II Category I

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)