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1 Data List
NX-series Data Reference Manual (W525)
1-4 Digital I/O Units
1
1-4-2 Digital Output Units
Items in the Summary Specifications
Data List
Relay Output Units (Screwless Clamping Terminal Block, 12 mm
Width)
Item Description
Number of points The number of output points provided by the Unit.
Relay type The type of relay that is connected to the Unit.
There are N.O. and N.O. + N.C.
Maximum switching
capacity
The maximum value of switchable current of the relay that is connected to the Unit.
I/O refreshing method The I/O refreshing methods that are used by the Unit.
Free-Run refreshing and synchronous I/O refreshing are available.
In the following table, the following abbreviations are used.
Free
:
Free-Run refreshing
Sync
: Switching
synchronous I/O refreshing
and
Free-Run refreshing
ON/OFF response time
The delay time for which data in the internal circuit is reflected in the state of output elements of the
Unit.
It is described according to the ON/OFF sequence.
Model
Unit configuration data Summary specifications
NX Unit
power
consump-
tion [W]
Current
consump-
tion from
I/O power
supply
[mA]
I/O
powe
r sup-
ply
meth
od
Wei
ght
[g]
Widt
h
[mm]
I/O
data
size
[byte]
Num-
ber of
I/O
entry
map-
pings
Nu
mbe
r of
poin
ts
Relay
type
Maximum
switching
capacity
I/O
refres
hing
metho
d
ON/OFF
respon
se time
CPU
Cou-
pler
NX-OC2633
1.20 0.80
No con-
sumption
Exter-
nal
65 12 0/2
bit
0/1
2
point
s,
inde-
pen-
dent
con-
tacts
N.O.
250 VAC/2 A
(cosΦ = 1),
250 VAC/2 A
(cosΦ = 0.4),
24 VDC/2 A,
4 A/Unit
Free 15/15
ms max.
NX-OC2733
1.30 0.95 70 N.O. +
N.C.
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