The new Kübler 9081 programmable 12 x 13 bit multiturn absolute encoder is available in hollow and solid shaft version. Hollow shaft versions accommodate shafts up to 28 mm while the solid shaft version has a shaft diameter of 12 mm. Being fully electronic, this encoder has a depth of only 45 to 55 mm, and has higher durability than traditionally geared multiturn encoders, especially in heavy-duty operation with repeated acceleration and braking. An internal battery for data retention up to 10 years permits the encoder to detect and store position change even when the power is turned off. The 9081 comes with SSI interface or, alternatively with RS232 or RS485 interfaces. The programmable functions include the number of bits per revolution or total number of bits, scaling factor, type of output code - gray, excess gray or binary, revolution direction CW or CCW, virtual zero point, etc.
Optional functions include limit switch functions, evaluation of status bits for the SSI data format. The Kübler 9081 is easily programmed using a Windows-based Ezturn program through a serial interface provided with the software. The on-screen display indicates encoder position and verifies that the encoder is properly programmed. A printout of the programming parameters can be kept for reference. Other features including an electronic reset for zero reference position make the 9081 extremely easy to commission. High quality construction and special ASICs provide temperature and ageing compensation, which ensures accurate and reliable operation and reduced downtime for many years. Short circuit and reverse voltage protection are standard on all Kübler encoders.
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