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110
SECTION 7
Char
act
erist
ic Da
ta
Ac
cord
ing
to
Condition
s of Use
CIDRW System
User’s Manual
SECTION 7
Appendix
Communications Distance Characteristics vs. Ambient Noise
The graph below compares the results of measurement using the noise measurement function with
communications distances.
At installation implement measures in regard to metal in the vicinity of the CIDRW Head, power supply
noise, and atmospheric noise, to ensure that the noise level does not exceed 10.
NOISE MEASUREMENT command (applies only when SECS is not used)
Refer to page 47.
■
V640-HAM11-ETN-V2
■
V640-HAM11-L-ETN-V2
0
20
40
60
80
100
120
140
0
20
40
60
80
99
(MAX.)
Noise level
Co
mmunications distance (mm)
Relationship between noise level and communications distance (reference values)
0
20
40
60
80
100
120
140
0
20
40
60
80
99
(MAX.)
Noise level
Comm
unications distance
(mm)
Relationship between noise level and communications distance (reference values)
Содержание V640 Series
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