We will now utilize Ethernet/IP to connect a BRX Do-More PLC as remote IO on a Productivity system. The productivity series of controllers can use explicit and implicit messaging techniques of EtherNet/IP to optimize data exchanges across the network.
Explicit messaging means that the data messages that are transmitted will contain everything needed in order to respond or decode the message. It is a normal client/server relationship with instructions explicitly spelled out in the data messages. This communication happens at times that the Client requests the information.
Implicit messaging means the data messages are streamlined. The device is configured ahead of time to know what to do with the data. This is used for time-critical messages and it functions as a typical scanner/adapter relationship. Implicit messaging is real-time. It has the ability to copy data with minimal additional information because both ends already know exactly what each bit and byte.
A BRX Do-More PLC will be set up as remote distributed inputs and outputs for our Productivity 1000 controller. Implicit Ethernet IP will be set up. The Do-More will be the Ethernet IP adapter and the Productivity will be the Ethernet IP scanner. Let's get started.

00:00 Productivity - Do-More EtherNet/IP Remote I/O
01:54 Do-More EtherNet/IP setup
09:21 Productivity IO Messaging
13:08 Monitoring Remote IO - Testing

Here are some previous posts in this Productivity 1000 PLC Series. A full list can be obtained at the following location:
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System Hardware
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Installing the Software
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Establishing Communication
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First Program
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Monitoring and Testing the Program
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Online Editing and Debug Mode
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Numbering Systems and Tag Database
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Timer Instructions
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Program Control
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Data Logger
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Modbus RTU Serial Communication
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Modbus TCP Ethernet Communication
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AdvancedHMI Modbus TCP Ethernet Communication
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Email Text Communication
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Productivity Suite PLC Simulator Software Free Download
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Click EtherNet/IP Remote I/O
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There are several reasons why we are using the Productivity 1000 Series Controller. Here are just a few.
- 50MB user memory - Can handle very complex applications easily.
- 4 built-in communication ports – Easy connectivity to your network.
- Data logging up to 32 GB on a microSD card
- Add up to 8 IP modules to communicate to your field sensors. This will give you a total of 128 discrete IO points or 32 analog IO channels.
- Free Software and 30 days of free training with every CPU from Automation Direct.
- Interactive PLC Configuration Tool
- Tag Names
- Auto-discovery IO – Physical I/O tags will be generated based on each module’s position in the base.
- I/O Modules have QR codes under the wiring cover. This can be scanned so you can have the latest specifications/wiring diagrams for the module.
- Limitless PID – Autotuning – Individual or Cascade Mode - etc
- Web Server and Mobile Access
- Advanced Software instruction set

The Productivity 1000 series of programmable logic controllers currently has all of these features built into the P1-540 CPU.
This CPU (Central Processing Unit) is also known as MPU (Multi-Processing Units) because of the communication capabilities.

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