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A - 11
Appendices
NX-series Digital I/O Unit User’s Manual (W521)
A-
1 Dat
a Shee
t
A
A-
1-2 D
igit
al Input Un
its
Unit name
DC Input Unit
Model
NX-ID3443
Number of points
4 points
External connection
terminals
Screwless clamping terminal block (12 ter-
minals)
I/O refreshing method
Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators
TS indicator, input indicators
Internal I/O common
PNP
Rated input voltage
24 VDC (15 to 28.8 VDC)
Input current
3.5 mA typical (at 24 VDC), rated current
ON voltage/ON current
15 VDC min./3 mA min. (between IOG and
each signal)
OFF voltage/OFF cur-
rent
5 VDC max./1 mA max. (between IOG and
each signal)
ON/OFF response time
100 ns max./100 ns max.
Input filter time
No filter, 1
μ
s, 2
μ
s, 4
μ
s, 8
μ
s (default), 16
μ
s, 32
μ
s, 64
μ
s, 128
μ
s, 256
μ
s
Dimensions
12 (W) x 100 (H) x 71 (D)
Isolation method
Digital isolator isolation
Insulation resistance
20 M
Ω
min. between isolated circuits (at
100 VDC)
Dielectric strength
510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
I/O power supply
method
Supply from the NX bus
Current capacity of I/O
power supply terminal
IOV
:
0.1 A/terminal max., IOG
:
0.1 A/termi-
nal max.
NX Unit power con-
sumption
0.55 W max.
Current consumption
from I/O power supply
30 mA max.
Weight
65 g max.
Circuit layout
Installation orienta-
tion and restrictions
Installation orientation: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram
Disconnec-
tion/Short-circuit
detection
Not supported.
Protective function
Not supported.
IOV0 to 3
IN0 to IN3
IOG0 to 3
Terminal block
Internal circuits
Isolation circuit
Current control
circuit
Power
supply
NX bus
connector
(left)
I/O power
I/O power supply
−
I/O power
I/O power supply
−
NX bus
connector
(right)
Two-wire
sensor
Three-wire
sensor
24 VDC
DC Input Unit
NX-ID3443
Additional I/O
Power Supply Unit
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
IN0
IOG0
IOV2
IOV0
A1
B1
A8
B8
IN2
IOG2
IN1
IOG1
IOV3
IOV1
IN3
IOG3
A1
B1
A8
B8
Содержание NX-IA3117
Страница 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Страница 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Страница 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Страница 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Страница 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Страница 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Страница 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Страница 290: ...Appendices A 60 NX series Digital I O Unit User s Manual W521 Installation Height 100 71 Unit mm...
Страница 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Страница 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...