Radio transmission
Steute foot controls do without cables
The latest generation of safety wireless foot switches from Steute do without a cable connection to the press and communicate via a safety-oriented wireless protocol.
In press brakes and other forming systems, the foot switch is the central human-machine interface. It is operated frequently (in three-shift operation, up to two million switching cycles per year are realistic) and performs an important safety function, as the operator can use it not only to initiate the press stroke, but also to stop it.
Steute has developed the three-stage safety foot switches of the GF/GFS series for this task. They have a low pedal height, which should allow ergonomic and fatigue-free operation. According to the manufacturer, this is particularly desirable when used as an enabling switch, as the pedal has to be held in the middle position for long periods of time.
The latest generation of safety wireless foot switches from Steute, which were on show at Euroblech 2018, do not require a cable connection to the press and instead communicate with the assigned control system via a safety-oriented wireless protocol.
The foot switches with the designation RF GFS 2D(VD) SW2.4-safe can be used in applications in accordance with Performance Level e (EN ISO 13849-1) and SIL 3 (IEC 61508). They are optionally available with a support rod and an emergency stop button, which also transmits the stop signal by radio.
Possible applications for the safety wireless foot switches include press brakes, press brakes, bending systems and other forming systems. The signals are transmitted wirelessly via the sWave-safe safety-related radio protocol developed by Steute. The manufacturer points to greater freedom of movement and optimum ergonomics, and the availability of the foot switches is also higher because no cable can be damaged. as
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