
471C
27
General specification
Measurement input SIG1
:
No-voltage contact or NPN open collector
Open collector residual voltage less than 3V
Contact capacity DC12V 10mA
SIG2
:
Voltage pulse
Input resistance approx.
24k
Ω
L
=
0 to 1.5V
,
H=4.0 to 30V
Display
(
LCD
)
7
segment display
Display
1
:Character height 15.2mm Red
/
Green
SV1,SV2: Character height 7.6mm White color
With zero suppress function
Display range
display
1
: 0 to 999999
SV1,SV2: 0 to 999999
Decimal point
10
1
,
10
2
,
10
3
,
10
4
,
10
5
Optional selection (External control not allowed
)
Over display
display
1
OVER Light up during over
(
Red
)
Exceeds 999999, OVER Light up
------
displayed
Display cycle
Approx. 0.1 to 19.9s
Cut-off time
Approx. 0.1 to 150.0s
Min. Rotation
number
000000 to 999999
Moving average
Number
1 to 10 times
Input Frequency
0.0067Hz to 100kHz
0.0067Hz to 30kHz
0.0067Hz to 10kHz
0.0067Hz to 20 Hz
Display scale
display
=f×
α
f:Input frequency,
α:
Scale value 00001
×
10
-
9
to 99999
×
10
-
0
Display accuracy
±
(0.008
%
+ 1digit) at 23
℃
±
5
℃
45 to 75
%
RH
Power supply line
mixed noise
1000V
(
AC power supply
)
Sensor power supply
DC12V
±
10% 80mA
Summary of Contents for 471C
Page 1: ...Tachometer 471C Quick Manual ...
Page 38: ...36 471C Memo ...
Page 39: ...471C 37 ...
Page 41: ...Tachometer 471C RS 232C Output RS 485 Quick Manual ...