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6 Analog Input Units
6 - 2
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
6-1
Types of Analog Input Units
Analog Input Units are the NX Units with functionality to convert analog input signals such as -10 to +10
V and 4 to 20 mA to digital values.
The Analog Input Unit types are described below.
Analog Input Units (Screwless Clamping Terminal Block, 12 mm
Width)
Model
Num
ber
of
point
s
Input range
Resolu-
tion
Input
method
I/O refresh-
ing method
Conver-
sion time
Reference
NX-AD2203
2
point
s
4 to 20 mA
1/8000
Sin-
gle-ende
d
Free-Run
refreshing
250
μ
s/point
NX-AD2204
Differen-
tial
NX-AD2208
1/30000
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
10
μ
s/point
NX-AD2603
-10 to +10 V
1/8000
Sin-
gle-ende
d
Free-Run
refreshing
250
μ
s/point
NX-AD2604
Differen-
tial
NX-AD2608
1/30000
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
10
μ
s/point
NX-AD3203
4
point
s
4 to 20 mA
1/8000
Sin-
gle-ende
d
Free-Run
refreshing
250
μ
s/point
NX-AD3204
Differen-
tial
NX-AD3208
1/30000
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
10
μ
s/point
NX-AD3603
-10 to +10 V
1/8000
Sin-
gle-ende
d
Free-Run
refreshing
250
μ
s/point
NX-AD3604
Differen-
tial
NX-AD3608
1/30000
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
10
μ
s/point
Summary of Contents for NX-AD series
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