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7 Digital Output Units
7 - 2
NX-series Digital I/O Unit User’s Manual (W521)
7-1
Types of Digital Output Units
Digital Input Units are parts of NX Units, and process outputs of digital signals (ON/OFF signals).
The Digital Output Unit types are described below.
Transistor Output Units (Screwless Clamping Terminal Block, 12 mm
Width)
Model
Num
ber
of
poin
ts
Internal I/O
common
Maximum
value of
load cur-
rent
Rated volt-
age
I/O refresh-
ing method
ON/OFF
response
time
Reference
NX-OD2154
2
point
s
NPN
0.5 A/point,
1 A/Unit
24 VDC
Output
refreshing
with speci-
fied time
stamp only
300 ns
max./300 ns
max.
NX-OD2258
PNP
NX-OD3121
4
point
s
NPN
0.5 A/point,
2 A/Unit
12 to 24
VDC
Switching
Synchro-
nous I/O
refreshing
and
Free-Run
refreshing
0.1 ms
max./0.8 ms
max.
NX-OD3153
24 VDC
300 ns
max./300 ns
max.
NX-OD3256
PNP
0.5 ms
max./1.0 ms
max.
NX-OD3257
300 ns
max./300 ns
max.
NX-OD4121
8
point
s
NPN
0.5 A/point,
4 A/Unit
12 to 24
VDC
0.1 ms
max./0.8 ms
max.
NX-OD4256
PNP
24 VDC
0.5 ms
max./1.0 ms
max.
NX-OD5121
16
point
s
NPN
12 to 24
VDC
0.1 ms
max./0.8 ms
max.
NX-OD5256
PNP
24 VDC
0.5 ms
max./1.0 ms
max.
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...