One display with text and four touch keys enable very comprehensive and self-explanatory parameter assignment to be carried out directly on the device. All the important settings can be made simply and safely, without prolonged study of the setting instructions. The high functionality of these devices is a further advantage, since the various functions can be utilised at the same time. For example, in addition to the speed monitoring function with limit value switching, the current speed can be output via a 0/4…20 mA current signal. The version with two sensor inputs enables slip to be monitored (pulse difference) and direction of rotation (phase angle). For applications in which merely one speed monitoring function is required, there is a cost-optimis-ed device with 2 limit relays. The universal power pack enables all commonly available voltages to be used, both AC and DC. The special version for power rail use is supplied by a central 24 VDC power source. Fault warnings are passed via the power rail to the point of supply and communicated via a relay contact, as appropriate to the configured supply group. The device inputs are available with Ex protection in ignition protection category EEx ia IIC and can process frequencies up to 5 kHz.
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Further information cpp-208
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