Additional I/O Power Supply Units (Screwless Clamping Terminal
Block, 12 mm W
idth)
Unit name Additional I/O Power Supply Unit
Model NX-PF0630
External connection ter-
minals
Screwless clamping terminal block (8 terminals)
Power supply voltage
5 to 24 VDC (4.5 to 28.8 VDC)
*1
Maximum current of I/O
power supply
4 A
Current capacity of I/O
power supply terminal
4 A max.
Dimensions 12 (W) × 100 (H) × 71 (D)
Isolation method No-isolation
Insulation resistance 20 MΩ min. between isolated circuits (at 100 VDC)
Dielectric strength 510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
NX Unit power con-
sumption
• Connected to a CPU Unit or Communication Control Unit
0.85 W max.
• Connected to a Communications Coupler Unit
0.45 W max.
Current consumption
from I/O power supply
10 mA max.
Weight 65 g max.
Circuit layout
NX bus
connector
(right)
I/O
PWR Indicator
NX bus
connector
(left)
NX Unit power supply +
NX Unit power supply −
I/O power supply +
I/O power supply −
NX Unit power supply +
Terminal block
…
IOG
IOG
IOG
…
IOV
IOV
IOV
NX Unit power supply −
I/O power supply +
I/O power supply −
Internal circuits
Installation orientation
and restrictions
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
Appendices
A-9
NX-series System Units User's Manual (W523)
A-1 Data Sheet
A
A-1-3 Additional I/O Power Supply Unit
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