Details on Data Sheet
Unit name
High-speed Analog Input Unit
Model
NX-HAD401
External connection
terminals
Screwless clamping terminal block (16 terminals ×2)
I/O refreshing method
Synchronous I/O refreshing
Indicators
TS indicator, IN indicator
Analog
input
section
Number of
points
4 points
Trigger
input
section
Number of
points
4 points
Input meth-
od
Differential input
Internal I/O
common
NPN
Input range
Voltage:
•
-10 to 10 V
•
-5 to 5 V
•
0 to 10 V
•
0 to 5 V
•
1 to 5 V
Current:
•
0 to 20 mA
•
4 to 20 mA
Rated input
voltage
24 VDC (20.4 to 28.8 VDC)
Input con-
version
range
•
Input range of -10 to 10 V or -5
to 5 V
-1% to 101% (full scale)
•
Other input ranges
-2% to 102% (full scale)
Input cur-
rent
3.5 mA typical (24 VDC)
Absolute
maximum
rating
Voltage: ±15 V
Input current: ±30 mA
ON volt-
age/ON
current
15 VDC min./3 mA min. (between
IOV and each signal)
Input Impe-
dance
Voltage: 1 MΩ min.
Current: 250 Ω
OFF volt-
age/OFF
current
5 VDC max./1 mA max. (between
IOV and each signal)
Resolution
•
Input range of -10 to 10 V or -5
to 5 V
1/64000 (full scale)
•
Other input ranges
1/32000 (full scale)
ON/OFF re-
sponse
time
1 μs max./1 μs max.
Over
all
ac-
cu-
racy
25°C
±0.1% (full scale)
Input filter
time
No filter, 4 µs, 8 µs (default), 16
µs, 32 µs, 64 µs, 128 µs, 256 µs
0 to
55°C
±0.2% (full scale)
Conversion
time
Appendices
A - 5
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
A-1
Data Sheet
A
A-1-2 High-speed Analog Input Units
