Appendices
A - 34
NX-series Digital I/O Unit User’s Manual (W521)
Installation orienta-
tion and restrictions
Installation orientation:
• Connected to a CPU Unit
Possible in upright installation.
• Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: As shown in the following.
0
30
20
10
5
15
60504030201005545
25
35
60504030201005545
I/O power supply voltage
24 V
28.8 V
I/O power supply voltage
24 V
28.8 V
19 V
32 points at 40°C
32 points at 35°C
32 points at 30°C
13 points/common at 55°C
13 points/common at 55°C
8 points/common at 55°C
5 points/common at 55°C
10 points/common at 55°C
20
10
5
0
15
35
25
30
• For upright installation
• For any installation other than upright
Number of simultaneously ON input points vs.
Ambient temperature characteristic
Number of simultaneously ON input points vs.
Ambient temperature characteristic
Number of simultaneously ON input pointsNumber of simultaneously ON input points
32 points at 45°C
Ambient temperature
Ambient temperature
32 points at 50°C
(°C)
(°C)
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