Datasheet
42 Remote I/O
Power unit
NX bus power supply unit
I/O power feed unit
Item Specifications
Model NX-PD1000
Name NX bus power supply unit
Power supply voltage 24 VDC (20.4 to 28.8 VDC)
NX unit power supply capacity 10 W max. (refer to installation orientation and restrictions for details)
NX unit power supply efficiency 70%
Unwired terminal current capacity 4 A max. (including the current of through wiring)
Dielectric strength 510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
Insulation resistance 20 M min. between isolated circuits (at 100 VDC)
Isolation method No-isolation
Unit power consumption 0.45 W max.
I/O current consumption No consumption
Terminal block type Screwless push-in terminal
8 terminals (A + B with FG)
Dimensions (W x H x D) 12 × 100 × 71 mm
Weight 65 g max.
Item Specifications
Model NX-PF0630 NX-PF0730
Name Additional I/O power supply unit
Power supply voltage 5 to 24 VDC (4.5 to 28.8 VDC)
*1
*1. Use an output voltage that is appropriate for the I/O circuits of the NX units and the connected external devices.
I/O power supply maximum current 4 A 10 A
Dielectric strength 510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
Insulation resistance 20 M min. between isolated circuits (at 100 VDC)
Isolation method No-isolation
Unit power consumption 0.45 W max.
I/O current consumption 10 mA max.
Current capacity of I/O power
supply terminal
4 A max. 10 A max.
Terminal block type Screwless push-in terminal
8 terminals (A + B)
Dimensions (W x H x D) 12 × 100 × 71 mm
Weight 65 g max.
Terminal wiring
NX-PD1000
UV
UG
UV
UG
NC*
2
NC
*
2
A1
A8
B1
B8
UNIT PWR
LED
NX unit power supply +
NX unit power supply
I/O power supply +
I/O power supply -
NX unit power supply +
NX unit power supply -
I/O power supply +
I/O power supply -
Circuit layout
NX-PD1000
Terminal
block
NX bus
connector
(left)
NX bus
connector
(right)
No-isolation
power
supply
circuit
Internal
circuits
(Functional ground
terminal)
(Functional ground
terminal)
DIN track contact plate
(unit track surface)
24 VDC Unit
power supply
Ground of 100
or less
Additional NX unit
power supply unit
NX-PD1000
Terminal wiring
NX-PF0630/PF0730
01
IOG IOG
IOV
IOV
IOG
IOG
IOV
IOV
IOG
IOG
IOV IOV
2 3
IOV IOV
IOG IOG
Two-wire type
A1 B1
A8 B8
A1 B1
A8 B8
Three-wire type
24 VDC
IO PWR Indicator
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
Circuit layout
NX-PF0630/PF0730
NX bus
connector
(left)
NX bus
connector
(right)
Additional I/O
power supply unit
NX-PF0
@
30
DC Input Unit