Omron NJ-PD3001 — 30 W 24 VDC Power Supply for NJ
SKU: NJ-PD3001USD 95.00
DC power supply for NJ/DX-series controller racks. 24 VDC input, 5 VDC at 6 A and 24 VDC at 1 A, 30 W, RUN output.
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Product Overview
The Omron NJ-PD3001 is the 24 VDC-input power supply for the NJ/DX-series machine controllers. It accepts a regulated 19.2-28.8 VDC feed and produces 5 VDC at 6.0 A and 24 VDC at 1.0 A, for 30 W total. The unit sits in the supply slot of the CPU rack and powers the controller and the I/O units on the bus. It includes a green PWR LED and a RUN output contact that closes while the CPU is in RUN status.
When a 24 VDC rack is the right call
Use the PD3001 in cabinets that already have a stable 24 VDC rail from another supply, or in mobile or vehicle systems where 24 VDC is the available source. It pairs with a separate DIN-rail power supply that handles the rest of the cabinet's 24 VDC loads, so a fault on one branch does not pull the controller down. In a pure AC-fed panel, the NJ-PA3001 is usually the simpler choice because it does not need an upstream 24 VDC supply.
Choose the right supply for the cabinet feed
NJ-PD3001 takes 24 VDC and uses 60 W at full output. NJ-PA3001 takes 100-240 VAC and uses 120 VA. Both feed the same 5 VDC and 24 VDC rails to the rack, so the controller and I/O side see no difference. Pick by the cabinet feed and the size of the upstream protection.
Before ordering
Confirm the 24 VDC source is regulated, inrush-capable, and within the 19.2-28.8 VDC range at the supply terminals. Size the upstream supply for the controller plus all other 24 VDC loads on the same rail, with margin. The RUN output is a contact, not a solid-state signal; check the receiving input is suitable for a dry contact. Allow airflow around the vented housing and follow the derating curve for cabinet temperature.
Key Features
- Dedicated 24 VDC supply for NJ/DX-series CPU racks
- 19.2-28.8 VDC input range
- 5 VDC at 6 A and 24 VDC at 1 A outputs
- 30 W total output
- RUN output contact that mirrors CPU status
- Green PWR indicator on the front
- Screw-terminal connection on M4 self-raising posts
- SKU: NJ-PD3001
- Series: NJ / DX
- Voltage: 24 VDC
- I/O: 24 I/O
Best-Fit Applications
- Main supply for NJ-series CPU racks in 24 VDC-fed control cabinets
- Power source for DX-series controller racks in mobile equipment
- Pairing with a DIN-rail 24 VDC supply in a partitioned control panel
- Replacement for failed DC supplies on installed NJ platforms
- Service spare for NJ/DX lines that share a 24 VDC rail
Buying Checklist
- Confirm the cabinet has a regulated 24 VDC rail within 19.2-28.8 VDC.
- Check the planned 5 VDC and 24 VDC loads against 6 A and 1 A limits.
- Choose NJ-PA3001 instead for a direct AC-fed cabinet.
- Confirm the RUN output wiring before energising the controller.
- Check the upstream 24 VDC supply size covers the controller plus branch loads.
- Allow for airflow space around the vented housing and derate for high temperature.
Technical Specifications
| Series | NJ / DX |
|---|---|
| Compatible Controller | NJ-series CPU and expansion racks |
| Input Voltage | 24 VDC (allowable 19.2-28.8 VDC) |
| Power Consumption | 60 W max. |
| Inrush Current | 30 A / 20 ms at 24 VDC, cold start |
| Output Voltage (Logic) | 5 VDC, 6.0 A |
| Output Voltage (Service) | 24 VDC, 1.0 A |
| Total Output Power | 30 W max. |
| RUN Output | SPST-NO contact; 250 VAC 2 A resistive, 24 VDC 2 A resistive |
| Connection | M4 screw terminals |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W × H × D) | 70 × 90 × 90 mm |
Resources & Downloads
FAQ for NJ-PD3001
What is the difference between NJ-PD3001 and NJ-PA3001?
NJ-PD3001 takes 24 VDC and uses 60 W at full load. NJ-PA3001 takes 100-240 VAC and uses 120 VA. Both deliver the same 5 VDC at 6 A and 24 VDC at 1 A to the rack. Choose NJ-PD3001 when the cabinet has a clean 24 VDC rail; otherwise NJ-PA3001 is simpler.
Can a single 24 VDC supply feed both the NJ-PD3001 and other cabinet loads?
Yes, as long as that supply can deliver 60 W to the NJ-PD3001 plus the steady current of every other load on the same rail. Use a separate branch fuse for the controller so a downstream fault cannot pull the CPU down. Check the inrush of the NJ-PD3001 (about 30 A for 20 ms) when sizing the upstream supply and fuse.
Does the NJ-PD3001 have a maintenance forecast or remote alarm?
No. The unit has a green PWR LED and a RUN output contact that closes while the CPU is running. There is no display, no maintenance-forecast monitor, and no separate low-voltage or pre-alarm output. For a maintenance forecast, consider an S8VS-series supply on the same panel.
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