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Appendices
A - 30
NX-series Digital I/O Unit User’s Manual (W521)
Unit name
Transistor Output Unit
Model
NX-OD3153
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, output indicator
Internal I/O common
NPN
Rated voltage
24 VDC
Operating load voltage
range
15 to 28.8 VDC
Maximum value of load
current
0.5 A/point, 2 A/NX Unit
Maximum inrush cur-
rent
4.0 A/point, 10 ms max.
Leakage current
0.1 mA max.
Residual voltage
1.5 V max.
ON/OFF response time
300 ns max./300 ns max.
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
:
0.5 A/terminal max., IOG
:
0.5 A/termi-
nal max.
NX Unit power con-
sumption
0.50 W max.
Current consumption
from I/O power supply
30 mA max.
Weight
70 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.
OUT0 to OUT3
This unit uses a push-pull output circuit.
IOV0 to 3
IOG0 to 3
Terminal block
Internal circuits
Isolation circuit
Drive circuit
NX bus
connector
(left)
I/O power
I/O power supply
−
I/O power
I/O power supply
−
NX bus
connector
(right)
Two-wire type
Three-wire type
24 VDC
Transistor Output
Unit
NX-OD3153
Additional I/O
Power Supply Unit
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
OUT0
IOG0
IOV2
IOV0
A1
B1
A8
B8
OUT2
IOG2
OUT1
IOG1
IOV3
IOV1
OUT3
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...