
3. SPECIFICATIONS
3 - 1
MELSEC-A
3.
SPECIFICATIONS
Table 3.1 General specification
Item
Specifications
Ambient operating
temperature
0 to 50 °C
Ambient storage
temperature
-20 to 75 °C
Ambient operating
humidity
10 to 90 % RH, No-condensing
Ambient storage
humidity
10 to 90 % RH, No-condensing
Frequency
Acceleration
Amplitude
No. of sweeps
Conforming to
Under
intermittent
10 to 57 Hz
0.075 mm
(0.003 in.)
10 times each
Vibration resistance
JIS B 3502,
vibration
57 to 150 Hz
9.8 m/s
2
in X, Y, Z
IEC 61131-2
Under
continuous
10 to 57 Hz
00.35 mm
(0.001 in.)
directions
(for 80 min.)
vibration
57 to 150 Hz
4.9 m/s
2
Shock resistance
Conforming to JIS B 3502, IEC 61131-2 (147 m/s
2
, 3 times in each of 3 directions X Y Z)
Operating ambience
No corrosive gases
Operating elevation *3
2000 m (6562 ft.) max.
Installation location
Control panel
Over voltage category *1
II max.
Pollution level *2
2 max.
*1 : This indicates the section of the power supply to which the equipment is assumed to be connected
between the public electrical power distribution network and the machinery within premises. Category II
applies to equipment for which electrical power is supplied from fixed facilities. The surge voltage
withstand level for up to the rated voltage of 300 V is 2500 V.
*2 : This index indicates the degree to which conductive material is generated in terms of the environment in
which the equipment is used. Pollution level 2 is when only non-conductive pollution occurs. A temporary
conductivity caused by condensing must be expected occasionally.
*3 : Do not use or store the PLC in the environment where the pressure is higher than the atmospheric
pressure at sea level. Otherwise, malfunction may result. To use the PLC in high-pressure environment,
contact your nearest Mitsubishi representative.
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