3-17
3 Configuration Units
NJ-series CPU Unit Hardware User’s Manual (W500)
3-3 Power Supply Units
3
3-3-3 Selecting a Power Supply Unit
The internal contacts for the RUN output turn ON when the CPU Unit is in RUN status.
The following operation occurs.
The Power Supply Unit must be on the CPU Rack to use this output.
First select the Power Supply Unit according to whether it can be used on the CPU Rack, the power
supply voltage, and the need for a RUN output. Then check the following table to make sure that the
current consumption and power consumption requirements of each Rack are met.
* Including supply to the CPU Unit.
Refer to CPU Rack on page 2-5, Expansion Racks on page 2-9, and CJ-series Configuration Units on
page 2-11 for Unit current consumptions. Refer to Rack Current Consumption and Width Display on
page 3-19 for the procedure to check the current and power consumptions for each Rack from the Sys-
mac Studio.
The amount of current/power that can be supplied to the Units mounted in a Rack is limited by the
capacity of the Rack’s Power Supply Unit. Refer to the following tables when designing your system so
that the total current consumption of the mounted Units does not exceed the maximum current for each
voltage group and the total power consumption does not exceed the maximum power supplied by the
Power Supply Unit.
Refer to CPU Rack on page 2-5, Expansion Racks on page 2-9, and CJ-series Configuration Units on
page 2-11 for the current consumptions of the Units to use in the Unit current consumption calculations.
Maximum Current and Power Supplied by Power Supply Units
The following table shows the maximum currents and power that can be supplied by Power Supply
Units in CPU Racks and Expansion Racks.
Note 1 When calculating current/power consumption in a CPU Rack, be sure to include the power required by the
CPU Unit itself, as well as the I/O Control Unit if one or more Expansion Racks is connected.
RUN Output (NJ-PA3001/-PD3001)
Status Operation
In operation (RUN mode). ON
The CPU Unit is starting (until entering the operating
status that is specified in the Startup Mode setting).
OFF
Operation stopped (PROGRAM mode).
Controller error in the major fault level occurred.
3-3-3 Selecting a Power Supply Unit
Model
Power supply
voltage
Output current
Output
capacity
RUN output
Replacement
notification
function
CPU Rack
Expansion
Racks
5-VDC CPU
Rack
*
5-VDC
Expansion
Rack
24 VDC
NJ-PA3001 100 to 240 VAC 6.0 A 6.0 A 1.0 A 30 W Yes No Yes Yes
NJ-PD3001 24 VDC 6.0 A 6.0 A 1.0 A 30 W Yes No Yes Yes
Calculating Unit Current Consumption
To Next Page
Loading...
Need help?
General
