Omron NX-ID User Manual page 312

Appendices
Transistor Output Units (M3 Screw Terminal Block, 30 mm Width)
Unit name Transistor Output Unit
Number of points 16 points
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator, output indicator
Dimensions 30 (W) x 100 (H) x 71 (D)
Insulation resistance 20 MΩ min. between isolated circuits (at
100 VDC)
I/O power supply Supply from the external source
method
NX Unit power con- • Connected to a CPU Unit
sumption
0.90 W max.
• Connected to a Communications Cou-
pler Unit
0.60 W max.
Weight 125 g max.
Circuit layout
NX bus
connector
(left)
Installation orienta- Installation orientation:
tion and restrictions
• Connected to a CPU Unit
Possible in upright installation.
• Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
A - 62
Model
External connection
terminals
Internal I/O common
Rated voltage
Operating load voltage
range
Maximum value of load
current
Maximum inrush cur-
rent
Leakage current
Residual voltage
ON/OFF response time
Isolation method
Dielectric strength
Current capacity of I/O
power supply terminal
Current consumption
from I/O power supply
I/O power
supply +
I/O power
supply −
NX-OD5121-1
M3 screw terminal block (18 terminals)
NPN
12 to 24 VDC
10.2 to 28.8 VDC
0.5 A/point, 5 A/Unit
4.0 A/point, 10 ms max.
0.1 mA max.
1.5 V max.
0.1 ms max./0.8 ms max.
Photocoupler isolation
510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
Without I/O power supply terminals
30 mA max.
+V
OUT0 to OUT15
Terminal block
COM
I/O power
NX bus
supply +
connector
I/O power
(right)
supply −
NX-series Digital I/O Unit User's Manual (W521)