2 System Configuration
2-6
NJ-series CPU Unit Hardware User’s Manual (W500)
Units
NJ-series CPU Units
NJ-series Power Supply Units
Note A CJ-series Power Supply Unit cannot be used to supply power to an NJ-system CPU Rack or Expansion
Rack.
If you connect a CJ-series Power Supply Unit to a CPU Rack, an Incorrect Power Supply Unit Connected
error will occur, and the CPU Unit will not operate. The RUN indicator will flash at a 3-s interval and the
ERROR indicator will light.
If you connect the Power Supply Unit to an Expansion Rack, operation is performed without error detection.
Normal operation, however, may be unstable due to insufficient supplied power. Also, an Internal NJ-series
Bus Check Error (i.e., a Controller error in the major fault level) may occur when the power is interrupted.
Note The Power Supply Unit may continue to supply power to the rest of the Controller for a few seconds after the
power supply turns OFF and the PWR indicator is lit during this time. If the NJ-series NJ-PD3001 Power
Supply Unit is used, confirm that the PWR indicator is not lit when the power supply is tuned ON again after
the power supply turns OFF.
• Do not use the Power Supply Units in the system beyond the rated supply capacity ranges.
Doing so may result in operation stopping, incorrect operation, or failure to correctly back up
required data at power interruptions.
Model
I/O capacity/Maximum
number of Configura-
tion Units (Maximum
number of Expansion
Racks)
Pro-
gram
capac-
ity
Memory
capacity for
variables
Num-
ber of
motion
axes
Data-
base
connec-
tion ser-
vice
GEM
Ser-
vices
Robot
con-
trol
Current
consump-
tion
Wei
ght
5
VDC
24
VDC
NJ501-1500 2,560 points/40 Units (3
Expansion Racks)
20 MB 2 MB:
Retained
during
power inter-
ruptions.
4 MB: Not
retained
during
power inter-
ruptions.
64
Not sup-
ported.
Not
sup-
ported.
Not
sup-
ported.
1.90
A
--- 550
g
NJ501-1400 32
NJ501-1300 16
NJ501-4500 64
Sup-
ported.
NJ501-4400 32
NJ501-4300 16
NJ501-4310
NJ501-1520 64
Sup-
ported.
Not
sup-
ported.
NJ501-1420 32
NJ501-1320 16
NJ501-4320
Sup-
ported.
NJ501-1340
Not sup-
ported.
Sup-
ported.
Not
sup-
ported.
NJ301-1200 5 MB 0.5 MB:
Retained
during
power inter-
ruptions.
2 MB: Not
retained
during
power inter-
ruptions.
8
Not
sup-
ported.
NJ301-1100 4
NJ101-1000 3 MB 2
NJ101-9000 0
NJ101-1020 2
Sup-
ported.
NJ101-9020 0
Model
Power supply
voltage
Output current
Output
capacity
RUN
output
CPU
Rack
Expansion
Racks
Weight
5 VDC 24 VDC
NJ-PA3001 100 to 240 VAC 6.0 A 1.0 A 30 W Yes Yes Yes 470 g
max.
NJ-PD3001 24 VDC 6.0 A 1.0 A 30 W Yes Yes Yes 490 g
max.
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