3.
SPECIFICATIONS
MELSEC-A
3.
SPECIFICATIONS
3.1
General Speclflcatlons
Table
3.1
General Speclflcatlons
Storage ambient
temperature
I
-20 to
75"
(4
to 167°F)
Operating
ambient
10
to
90%
RH,
no condensation
humidity
I
ambient
10 to
90%
RH,
no condensation
humidity
Conforms
Vibration resistance
C
loto=&
-
0.075
mm
(0.003
inch) 10 times
*I1 octave1
Shock resistance
1
Conforms to
JIS
C
0912
(98
m/sZ
(log) x 3 times in 3 directions)
Noise
and 25 to 60 Hz noise frequency
By noise simulator 1500 V.P.P. noise voltage, 1 psec noise width
Dielectric withstand
ground
voltaae
500
VAC for 1 minute across batch of DC external terminals and
lnrulation
resistance
same location
as
dielectric strength.
I
50
MO
or more with
500
VDC insulation resistance tester at the
Operating ambience
Self-cooling
Cooling method
No corrosive gases or dust.
EMA ARK]
(1) One octave marked 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 RS232C
and
RS-422
interfaces unconnected.
**
JIS: Japanese Industrial Standard
1
Y
7
Jl
7
13
3
3
3-1
nl
is
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