July 2016System Integration & Control Systems Design
Engineers, OEMs and integrators have struggled for years with how to balance the cost of PLCs with their I/O needs, and Turck’s new Argee technology solves this challenge. Argee empowers manufacturers to add logic to compatible I/O devices without a PLC, driving down the cost per I/O point and increasing flexibility in control.
The Argee environment is accessible via an HTML5-compatible web browser, which eliminates the need for complex third-party software or licensing common with PLCs. Inside the Argee environment, the user can set condition and action statements that can be carried out by the I/O device. The application’s intuitive design includes a flow chart, similar to ladder logic, which allows for easy programming by users of all experience levels.
By taking advantage of Argee on Turck’s multiprotocol Ethernet I/O devices, manufacturers are able to realise a better control solution – field logic controllers (FLCs).
FLCs benefit small to mid-size OEMs and manufacturers who are looking to add logic without investing in a PLC. They can be used in one of three ways:
1. The FLC stands alone: FLC performs all the logic as a standalone application without a PLC.
2. The FLC backs up the PLC: If the FLC loses communication with the PLC, the FLC can take over and either shut down the process, or keep the process going.
3. The FLC and the PLC work together: The FLC can monitor an application and send defined variables and updates back to the PLC.
Specific features of Argee include:
• Toggling bits, utilisation of timers and counters, performing arithmetic functions, monitoring of program status via the built-in HMI capabilities and communicating with an upper level PLC.
• HTML5-based programming, which makes the environment accessible on any device via capable web browsers such as Chrome and Firefox.
• Integration with digital, analogue, IO-Link, RFID, and specialty I/O types.
Argee technology is standard in all Turck multiprotocol Ethernet I/O devices. These devices can be used on any Profinet, Modbus TCP or EtherNet/IP platform, and include TBEN-L/TBEN-S on-machine block I/O; BL compact on-machine flexible block I/O; and FEN20 in-cabinet block I/O.
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