ELMA offers over-signal protection and programmable signal loss protection. By using an internal dip switch, you can program the ELMA to either freeze at the last setting or drive to zero in the event of a signal loss. This means an added level of protection for your pumps as well as your process.
The low torque requirements of the PULSA Series 680 and 880 stroke length adjustment permits use of highly reliable AC synchronous motors. This driver has stall capability without damage, uses no redundant limit switches and affords a compact design containing driver and electronics in a common pump-mounted enclosure. The synchronous motor, state-of-the-art comparator circuit and a gear driven, ten turn, high resolution clutch protected pot is all there is to it.
This compact actuator utilizes a fully enclosed cog belt coupled to a highquality, vernier-type adjustment with lock. This permits manual mechanical override and readout option in the event of signal.
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