The range of speed monitors from ifm electronic offering wide input frequency from 1-60 000 pulses/minute, now includes an extended operating temperature range down to -40°C.
Several versions are available: speed monitors DD2503 and DD2603 monitor the rotational speed of one channel with two separately adjustable limit values. A separate switched output is assigned to each limit value and an analogue signal is provided for further processing or display. The DD2505 and DD2605 monitor two separate input channels, each having one switch point. The DD2603 and DD2605 can also check that the sensor cabling is intact (when used with the recommended sensors). Other devices in the range fulfil other vital functions: the DR2503 and DR2505 will check that a piece of machinery, such as a hoist or a pump, is rotating in the desired direction, as dire consequences can result if the direction is wrong.
Additionally, the DS series monitors slip or synchronous running. The DS2503 and DS2603 will check for slip between two sides of a drive system by looking for a relative pulse difference per rotation. Other devices in the DS range, the DS2505, DS2506 and DS2605 monitor for absolute pulse differences, so will ensure for example the synchronous operation of two spindles on a lifting platform, or that a gantry crane does not become wedged by moving too fast on one side.
In all units, the high-contrast luminous OLED display and the menu-guided parameter setting are designed for maximum user-friendliness. All units operate from a wide range of input voltages, AC or DC, and provide DC supply to pulse pickup sensors.
Speed and standstill, direction, slip or synchronous motion is monitored reliably and accurately with the new features, allowing an immediate response in case of malfunction. Expensive consequential damage is now a thing of the past.
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