I/O signals from Phoenix Contact’s Radioline systems can now be connected directly to control units via the Modbus RTU protocol. For this, the radio master wirelessly collects I/O signals from up to 250 radio stations and maps these to a centrally located Modbus register. This means that the entire radio network can be addressed via one single Modbus slave address. Communication with the control unit is provided via an RS-232 or RS-485 interface.
Remote field stations can be expanded in a modular fashion and individually grouped to facilitate any application scenario. A range of digital and analog I/O modules is offered for this, these can process signals up to 230 V. The radio communication itself is handled via Phoenix Contact’s Trusted Wireless 2.0 radio technology, which ensures reliable transmission even in challenging industrial environments. The entire system can be configured easily via rotary switches, except for the radio master’s serial parameters, which are set up using free-of-charge software.
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I was giving a course at a remote mine in the middle of the Namibian desert. We were discussing tuning responses, and as I always do on my courses, I mentioned that in my opinion ¼ amplitude damped tuning is not desirable, and is in fact not good.
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Producing up to 1800 photo calendars per hour using more than 90 servo axes, Durrer Spezialmaschinen develops a wide variety of special-purpose machines from the design phase to commissioning. A new production system for photo calendars proves the importance of comprehensive motion control expertise, with AM8000 servomotors and AX5000 servo drives from Beckhoff used for over 90 dynamically controlled axes.
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