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Appendices
NX-series Digital I/O Unit User’s Manual (W521)
A-
1 Dat
a Shee
t
A
A-
1-3 D
igit
al Ou
tput Unit
s
Relay Output Units (Screwless Clamping Terminal Block, 12 mm
Width)
Unit name
Relay Output Unit
Model
NX-OC2633
Number of points
2 points, independent contacts
External connection
terminals
Screwless clamping terminal block (8 ter-
minals)
I/O refreshing method
Free-Run refreshing
Indicators
TS indicator, output indicator
Relay type
N.O. contact
Maximum switching
capacity
250 VAC/2 A (cos
Φ
= 1), 250 VAC/2 A
(cos
Φ
= 0.4), 24 VDC/2 A,
4 A/NX Unit
Minimum switching
capacity
5 VDC, 1 mA
Relay service life
Electrical: 100,000 operations
*1
Mechanical: 20,000,000 operations
ON/OFF response time
15 ms max./15 ms max.
Dimensions
12 (W) x 100 (H) x 71 (D)
Isolation method
Relay isolation
Insulation resistance
Between A1/B1 terminals and A3/B3 termi-
nals: 20 M
Ω
min. (at 500 VDC)
Between the external terminals and the
functional ground terminal: 20 M
Ω
min. (at
500 VDC)
Between the external terminals and internal
circuits: 20 M
Ω
min. (at 500 VDC)
Between the internal circuit and the func-
tional ground terminal: 20 M
Ω
min. (at 100
VDC)
Dielectric strength
Between A1/B1 terminals and A3/B3 termi-
nals: 2300 VAC for 1 min at a leakage cur-
rent of 5 mA max.
Between the external terminals and the
functional ground terminal: 2300 VAC for 1
min at a leakage current of 5 mA max.
Between the external terminals and internal
circuits: 2300 VAC for 1 min at a leakage
current of 5 mA max.
Between the internal circuit and the func-
tional ground terminal: 510 VAC for 1 min
at a leakage current of 5 mA max.
Vibration resistance
Conforms to IEC 60068-2-6.
5 to 8.4 Hz with amplitude of 3.5 mm, 8.4
to 150 Hz, acceleration of 9.8 m/s
2
100 min each in X, Y, and Z directions
(10 sweeps of 10 min each = 100 min
total)
Shock resistance
100 m/s
2
, 3 times each in X, Y, and Z direc-
tions
I/O power supply
method
Supplied from external source.
Current capacity of I/O
power supply terminal
Without I/O power supply terminals
NX Unit power con-
sumption
0.80 W max.
Current consumption
from I/O power supply
No consumption
Weight
65 g max.
Circuit layout
0 to 1
C0 to C1
You cannot replace the relay.
Terminal block
Internal circuits
Internal power
supply
NX bus
connector
(left)
I/O power
I/O power supply
−
I/O power
I/O power supply
−
NX bus
connector
(right)
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...