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3. SPECIFICATIONS
MELSEC-A
3.
SPECIFICATIONS
3.1
General Specifications
Table 3.1 General S~ecifications
Item
Operating ambient
temperature
Storage ambient
temperature
Operating ambient
humidity
Storage ambient
humidity
Vibration resistance
Shock resistance
Noise resistance
Dielectric withstand
voltage
Insulation resistance
Operating ambience
Cooling method
Specifications
0 to 554: (32 to 13I0F)
-20 to 75"
(4
to 167•‹F)
10 to 9% RH, no condensation
10 to 9007 RH, no condensation
Conforms
0.075 mm
to*.JlsC
091
1
(0.003 inch)
10 times
'(1 octave1
55
t o
150 Hz
9.8
,ws2
minute)
Conforms to JIS C 0912 198 mls2 flog)
x
3 times i n 3 directions)
By noise simulator 1500 V.P.P. noise voltage, 1 Isec noise width
and 25 to 60 Hz noise freouencv
500 VAC for 1 minute across batch of DC external lerminals and
around
50
Mn
or more with 500 VDC insulation resistance tester at the
same location as dielectric strenath.
No corrosive aases or dust.
Self-cooling
(1) One octave m a h d
indicates a change from the initial frequency to double or half
frequency. For example, any of the changes from 10 Hz to 20 Hz. 20 Hz to 40 Hz, 40 Hz
to 20 Hz, and 20 Hz to 10 Hz are referred to as one octave.
(2) The noise durability and dielectric withstand voltage values were obtained with the
RS-
232C and -422
interfaces unconnected.
"
JIS: Japanese lndusfrial Standard
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