1 Data List
1 - 16
NX-series Data Reference Manual (W525)
Items in the Summary Specifications
Data List
Transistor Output Units (M3 Screw Terminal Block, 30 mm Width)
Item Description
Number of points The number of output points provided by the Unit.
Internal I/O common
This is the polarity that the Unit uses to connect to output devices.
There are models with NPN and PNP connections.
Maximum load current
The maximum output load current of the Unit. Specifications for each output point and for the Unit
are described.
Rated voltage
The rated output voltage of the Unit.
I/O refreshing method The I/O refreshing methods that are used by the Unit.
Free-Run refreshing, synchronous I/O refreshing and output refreshing with specified time stamp
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
Specified time: Output refreshing with specified time stamp
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
con-
sump-
tion [W]
Current
con-
sump-
tion from
I/O power
supply
[mA]
I/O
power
supply
metho
d
Weigh
t [g]
Widt
h
[mm]
I/O
data
size
[byte]
Num-
ber
of I/O
entry
map-
pings
Num-
ber of
point
s
Inter
nal
I/O
com
mon
Maxi-
mum
load
current
Rated
volt-
age
I/O
refres
hing
metho
d
ON/O
FF
respo
nse
time
CPU
Cou
pler
NX-OD5121-1 0.90 0.60 30
External
125 30 0/2 0/1 16
points
NPN 0.5 A/
point,
5A/
Unit
12 to
24
VDC
Sync 0.1/0.
8 ms
max.
NX-OD5256-1 0.95 0.65 PNP 24
VDC
0.5/1.
0 ms
max.
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