Introduction to Omron NX and NJ PLCs

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⌚Timestamps:
00:00 - Intro
00:30 - PLC vs. PLC+Motion control
01:27 - Omron NX/NJ series controllers
01:53 - NX series
03:28 - NJ series
04:09 - NJ controller configuration
05:23 - Sysmac Studio

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In this video, we’re going to introduce you to the NX/NJ series of ‪@OmronAutomationAmericas‬. The NX/NJ controllers are very powerful as they combine both PLC and motion control functions into one package.

What’s the difference between a PLC and a Motion Controller?

- PLCs were originally designed to replace the huge number of switches and relays that performed the logical control of electrical circuits.

- A Motion Controller typically refers to servo, stepper, or proportional hydraulic valve systems with extremely precise and lightning-fast position/velocity/torque control.

Over the last two decades, PLCs were built that integrated motion functions, but they still lacked the speed, or the computing power required, in many applications.

Traditional PLCs called upon to perform motion control often work together with add-on motion controllers to perform any required motion control functions.

The NX/NJ series of controllers can perform traditional PLC control functions via typical digital and analog I/O field devices and at the same time perform precise motion control via powerful processors exhibiting high-speed process execution and data acquisition capability.

1-1) The base model NX1P2 is a brick-style controller that comes complete with a power supply, CPU, and fixed digital I/O. Expansion digital I/O, as well as analog I/O modules, can be added to this unit. The NX1P2 is suitable for applications with 100-200 I/O and can control up to 8 axes.

1-2) The NX102 is a very popular mid-range controller. The NX102 Controller integrates inputs, logic, outputs, safety, and robotics. The NX102 is suitable for larger applications having up to 1000 I/O and can handle up to 12 motion axes.

In addition to traditional Ethernet connectivity, the NX102 is IIoT ready with OPC UA and can easily incorporate database functionality.

1-3) The NX701 is Omron’s flagship controller performing large-scale, high-speed, high-accuracy control by synchronizing up to 256 axes with the fastest cycle time of 125 µs.

The NX701 provides warp speed and accurate control by synchronizing all devices such as vision sensors, servo drives, and field devices.

2) Similar to the NX series, the NJ series is a machine controller for logic sequence and motion that includes CPU options for advanced functions such as robotics.
The NJ Series includes the NJ101, NJ301, and NJ501 versions.

2-1) The NJ501 is IIoT ready with OPC UA and can easily incorporate database functionality. The NJ501 is capable of controlling up to 64 axes.

NJ controllers are capable of accommodating legacy Omron CJ series I/O. Upgrading older Omron controllers using new NJ series controllers is easily accomplished.

You can keep your old CJ series I/O modules and add them to the NJ series controller bus. This is a very attractive feature as system upgrade cost is reduced as well as the elimination of potential installation headaches.

Sysmac Studio is the Machine Control and Factory Automation used for programming the NX/NJ series of controllers. Sysmac Studio combines PLC, motion control, and HMI programming in one easy-to-use package.

Sysmac Studio also has powerful offline simulation capabilities meaning you don’t need the hardware to test a program. A 3D simulator is included as well.

In addition to the full version, a Sysmac Studio Lite version is available which is capable of programming NX1P2, NX102, and NJ1 controllers with limited functionality.

You can download a 30-day trial full version of Sysmac Studio here on this page: https://bit.ly/SYSSTDIO

North American College or university students can receive six months of free access to Sysmac Studio: https://bit.ly/SYSSTDIOs

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