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Chapter 7 Hardware Specification
199
12V DC, 20 I/O model
content
SG2-20HR-12D
Normal digital input
High speed input
Analog input used
as normal digital
input
Analog input
Input
circuitry
I03~I08
I01,I02
I09,I0A,I0B,I0C
number 6
2
4
4
Signal
current
input
3.2mA/12V DC
3.2mA/12V DC
0.63mA/12V
<0.17 mA/10V
ON current
input
>1.875mA/7.5V >1.875mA/7.5V
>0.163mA/9.8V
OFF current
input
< 0.625mA/2.55V
< 0.625mA/2.55V
< 0.083mA/5V
wire length
< / = 100 m
< / = 100 m
< / = 100 m
< / = 30 m(shield wire)
On=>Off On=>Off
On=>Off
5ms 0.5ms
Typical:
5ms
Off=>On Off=>On
Off=>On
response
time of
input
3ms 0.3ms
Typical:
3ms
Input
voltage
0~10
V
DC
Precision
class
0.01V
DC
bit of
conversion
12
error
±2%±0.12V
Conversion
time
1
cycle
sensor
resistance
<1K
ohm
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