GE / IP FANUC Series 90/30 In Stock
General Electric has long made PLCs and other control devices for automation systems. These devices have had a reputation for being reliable and have been used in control design projects worldwide. For most of that time, GE PLCs were marketed under the name GE Intelligent Platform and Alstom Power Automation as part of the General Electric Automation and Control segment of GE’s business portfolio. Emerson Electric acquired GE Intelligent Platforms (also known as GE Fanuc) in 2019 and renamed the company Machine Automated Solutions.
GE Proprietary Communication Protocols
Many PLC manufacturers have proprietary protocols. Others can operate over a range of standard protocols allowing ease of interoperability among a variety of vendors. GE developed such proprietary protocols, and they remain in use with their current and legacy PLCs today.
Additional Communication Protocols by Series
Generally, GE communications protocols are as follows:
The Genius line of products has now been retired, but the interface for communication between GE PLCs using Genius bus and protocol is:
As do most OEMs, each series can also use other industry protocols, either embedded or as add-on modules. Here is a look at additional communication protocols by family series:
The Durus compact PLC by GE was designed for applications that require less than 44 analog I/Os. It is used in demanding environments to replace traditional clocks and timers in applications requiring more precise control. Communication protocols supported by the Durus line include:
Designed for both standalone and integrated use, VersaMax family members may be micro or nano. They are available across both AC and DC as well as analog and digital. The VersaMax is flexible for localized use but has limited communication capabilities compared to other models. Communication protocols supported by the VersaMax PLC include:
The 90/30 controller series could be configured over LAN and used in multidrop situations using Ladder Logic. With this flexibility, the 90/30 series can handle simple applications with as low as 32 I/Os up to 4000 I/Os for more complex environments.
The 90/30 series was designed to use GE’s Genius Bus product to tie the 90/30 to other GE products such as the 90/70 series and other devices. This meant that communication between those devices was automatic. The Genius modules are no longer sold or supported by GE (Emerson).
The 90/30 series uses Ethernet TCP/IP. Some communication network protocols are server-only, client-only, or both. These include:
The 90/30 series models have between 1 and 3 serial communication ports depending on the model. Adding a Communication Coprocessor Module will also allow 2 serial ports with built-in protocols for SNP/SNPX (server/client), CCM, and Modbus RTU.
The 90/70 series was developed as an open architecture system. This meant enormous scalability of PLCs and other devices across a complex ecosystem for advanced machine control. Using Intel-based processors, these PLCs could tie to other GE products and a wide range of different devices and PLCs from other manufacturers, reducing the system upgrade cost. It accomplished this using the VME-Bus standard so controllers, boards, and other devices could be added and custom configured for the control system’s exact needs.
The 90/70 series uses Ethernet TCP/IP. Because of the 90/70 series’ modularity, modules that enable different communication protocols allow connection to an existing network. Busses used with the 90/70 to enable these protocols include:
The GE Global Data Network protocol was explicitly designed for GE Fanuc PLCs.
It allows data to be sent across GE PLCs, drives, HMIs, and SCADA systems. The RX3i was designed with redundancy in mind. A valuable feature in industrial automation for safety, quality, and potential wear and tear. The RX3i uses Profinet redundancy for media, network, device, and controller redundancy.
The RX3i also has between 1 and 3 Ethernet ports (depending on the model) that allow a wide range of Ethernet protocols. These include:
The IEC-104 Server, IEC-61850 Client, and the DNP Outstation can only be accessed via an additional module.
The RX3i also uses the ASCII Serial and Modbus/RTU as serial protocols on all models except the IC695CPE400 and IC695CPL410, which uses ASCII Serial as its only serial communication protocol. The Modbus/RTU serial protocol is also only available as an add-on module. All RX3i models except the IC695CPE330 allow interfacing through RS-232. And the IC695CPE310 allows both RS-232 and RS-485.
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