Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.
Omron NX-PG0112 — NX Pulse Output, 1-Ch, 500 kpps
SKU: NX-PG0112USD 115.00
Omron NX-PG0112 NX-series 1-axis pulse output unit, NPN open collector, 500 kpps, 12 mm wide. In stock, China shipping.
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Product Overview
The Omron NX-PG0112 is the NX-series 1-axis Pulse Output unit with NPN open-collector output, manufactured by Omron Corporation. Hengyixin Automation stocks this controller option board in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Specifications on this page were checked against Omron's NX-series Position Interface Unit datasheet.
It plugs into the NX I/O bus on an NX1P2 / NJ5 / NX102 controller or an NX-ECC201 EtherCAT Coupler and outputs open-loop pulse trains to a stepper drive or a pulse-input servo drive. Maximum pulse output is 500 kpps. Pulse output method is selectable as forward/reverse pulses or pulse + direction. The unit has 2 external inputs (limit, origin, latch) and 3 external outputs (forward pulse, reverse pulse, general output).
Typical use is jogging a single stepper axis from an NX102-1200 or from an NJ501-1300 over EtherCAT, synchronized with the controller task period. For a PNP variant with the same NPN outputs, choose the NX-PG0122. For a 2-channel line-driver unit at 4 Mpps, choose the NX-PG0232-5. For an NX1P2 option slot analog input board, choose the NX1W-ADB21.
Key Features
- NX-series 1-axis Pulse Output unit with NPN open-collector output for stepper or pulse-input servo drives
- Maximum pulse output 500 kpps, selectable forward/reverse direction pulses or pulse + direction output method
- 2 external 24 VDC NPN inputs and 1 NPN external output, position range -2,147,483,648 to +2,147,483,647 pulses, 1 to 500,000 pps velocity
- Screwless push-in 16-terminal block, 12 x 100 x 71 mm, 70 g, photocoupler isolation on external inputs
- SKU: NX-PG0112
- Series: NX-series machine automation I/O, position interface / pulse output (NX-PG)
- I/O: 203 I/O
Best-Fit Applications
- Single-axis stepper indexer on a packaging conveyor where the NX-PG0112 generates 500 kpps pulses from an NX102-1200 over EtherCAT
- Cam-operated divider table where one pulse axis synchronizes a rotary indexer with the main conveyor at the NX-ECC201 cycle
- Spare replacement on a legacy CJ1M-CPU21 motion panel where the NX-PG0112 picks up the pulse axis on an NX-ECC201 EtherCAT Coupler
Buying Checklist
- Pick the NX-PG0112 when the project needs a single NPN open-collector pulse axis at up to 500 kpps on the NX I/O bus.
- Pick the NX-PG0232-5 instead when the project needs two channels of line-driver pulse output at up to 4 Mpps on the same 30 mm body.
- Pick the NX-OD4256 instead when the project needs digital outputs, not pulse trains, on the NX I/O bus.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | NX-series machine automation I/O, position interface / pulse output (NX-PG) |
| Model / SKU | NX-PG0112 |
| Number of Axes | 1 axis pulse output, open-collector NPN |
| Maximum Pulse Output | 500 kpps; control unit pulses; position range -2,147,483,648 to +2,147,483,647 pulses |
| Pulse Output Method | Forward and reverse direction pulses, or pulse + direction output |
| External Inputs | 2 points NPN, 24 VDC, ON 15 VDC min / 3 mA min, OFF 4.0 VDC max / 1 mA max, response 1 us ON / 2 us OFF |
| External Outputs | 1 point NPN external output, 24 VDC rated, load voltage 15 to 28.8 VDC, max load 30 mA, residual 1.0 V max, leakage 0.1 mA max, response 5 us |
| Velocity Control Range | 1 to 500,000 pps; absolute, relative, and interrupt feeding positioning; homing, jogging, electronic cam and gear |
| I/O Refresh | Synchronous I/O refreshing or task-period prioritized refreshing; synchronous I/O refreshing requires an NX-ECC203 (Unit Ver. 1.2 or later) |
| Power | NX Unit power 1.15 W max on CPU, 0.80 W max on Communications Coupler; I/O supply current 20 mA max from NX bus 20.4 to 28.8 VDC |
| Isolation / Wiring | Photocoupler isolation on external inputs, digital isolator on external outputs; dielectric 510 VAC for 1 min; screwless 16-terminal push-in block, AWG24 to AWG16; cable length 3 m max; 12 (W) x 100 (H) x 71 (D) mm, 70 g |
Manufacturer documentation
Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.
FAQ for NX-PG0112
What is the Omron NX-PG0112 used for?
It is the NX-series 1-axis Pulse Output unit with NPN open-collector output. It generates pulse trains at up to 500 kpps to drive a stepper or pulse-input servo drive on the NX I/O bus. Typical uses are single-axis stepper indexers on packaging conveyors, cam-operated divider tables, and motion retrofits on legacy CJ1M pulse panels.
NX-PG0112 vs NX-PG0232-5 - what is the difference?
Both are NX-series Pulse Output units. The NX-PG0112 has one NPN open-collector channel at up to 500 kpps on a 12 mm wide body. The NX-PG0232-5 has two NPN line-driver channels at up to 4 Mpps on a 30 mm wide body with a MIL34 connector. Pick the PG0112 for a single short-cable stepper axis; pick the PG0232-5 for two high-speed differential axes.
Does the NX-PG0112 support PNP drivers?
No. The NX-PG0112 is the NPN open-collector variant. For a PNP output on the same 12 mm wide body, choose the NX-PG0122. The NPN output sinks current to the common; the PNP variant sources current to the load. Most stepper drives accept either; check the drive's input schematic first.
What NX controller works with the NX-PG0112?
Any controller that exposes the NX I/O bus: an NX1P2 CPU, an NX102 modular CPU, an NJ5 CPU through an NX-ECC201 EtherCAT Coupler, or an NX-ECC203 EtherCAT Coupler with a CJ1 / CJ2 master. Sysmac Studio configures the PG0112 as a single-axis position control axis through the MC Function Module.
What is the maximum cable length for the NX-PG0112 pulse output?
3 m maximum on the pulse output lines. Open-collector NPN output degrades rapidly over distance because the line capacitance rounds off the pulse edges. For longer cable runs, step up to the NX-PG0232-5 line-driver model, which supports up to 10 m on differential pulse outputs.
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