Omron sysmac NX Series User Manual page 166

Appendices
I/O Power Supply Connection Unit (Screwless Clamping Terminal
Block, 12 mm Width)
 IOV Terminal Type
Unit name
Model
External connection ter-
minals
Number of I/O power
supply terminals
Current capacity of I/O
power supply terminal
Dimensions
Isolation method
Insulation resistance
Dielectric strength
NX Unit power con-
sumption
Current consumption
from I/O power supply
Weight
Circuit layout
Installation orientation
and restrictions
A-14
I/O Power Supply Connection Unit
NX-PC0020
Screwless clamping terminal block (16 terminals)
IOV: 16 terminals
4 A/terminal max.
12 (W) × 100 (H) × 71 (D)
No-isolation
20 MΩ min. between isolated circuits (at 100 VDC)
510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
•
Connected to a CPU Unit or Communication Control Unit
0.85 W max.
•
Connected to a Communications Coupler Unit
0.45 W max.
No consumption
65 g max.
IOV
IOV
Terminal block
IOV
NX Unit power supply +
NX bus
NX Unit power supply −
connector
(left)
I/O power supply +
I/O power supply -
Installation orientation:
•
Connected to a CPU Unit or Communication Control Unit
Possible in upright installation.
•
Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
NX Unit power supply +
Internal circuits
NX Unit power supply −
I/O power supply +
I/O power supply −
NX-series System Units User's Manual (W523)
NX bus
connector
(right)