Description
Product details:
(2) or (4) Sinusoidal or Quasi-Sinusoidal Encoders
Creates 4,096 Steps Per Sinewave Cycle
Can Accept a Voltage-Source (1Vp-p) Signal from the Encoder
The OMRON / Delta Tau ACC-51E UMAC 4096 Interpolator Accessory Card is a sine wave input interpolator designed to interface two (optionally four) analog quadrature encoders to Delta Tau Data System’s UMAC Euro card style devices. The Acc-51E is a 3U size card that mounts in the same racks as Delta Tau’s Turbo UMAC or MACRO station processors.
The Interpolator accepts inputs from two (optionally four) sinusoidal or quasi-sinusoidal encoders and provides encoder position data to the motion processor. This interpolator creates 4,096 steps per sinewave cycle. The Interpolator can accept a voltage-source (1Vp-p) signal from the encoder. A jumper selects between unterminated or 120Ω input termination.
The maximum sine-cycle frequency input is approximately 8 MHz (8,000,000 SIN cycles/sec), which gives a maximum speed of about 32.768 billion steps per second. When used with a 1000 line sinusoidal rotary encoder, there will be 4,096,000 discrete states per revolution (128,000 software counts). The maximum calculated electrical speed of this encoder would be 8,000 RPS or 480,000 RPM, which exceeds the maximum physical speed of most encoders.
The Acc-51E is considered an axis device in the UBUS backplane. Therefore, the memory map for this card is similar to the Acc-24E2x style axis cards.
IC754VSF12CTD unit features keyboard, touch screen, USB port, communication port, CF port, Ethernet, expansion bus, dip switch and flash memory. The computer runs on Windows, and its CPU has an XScale processor and 64 MB of flash memory. It also has a memory expansion slot. The IC754VSF12CTD operates with an input voltage of 24 VDC and a practical power of 48 watts. It weighs about 5.2 pounds or 2.36 kilograms. The IC754VSF12CTD must be installed in a plane matching the NEMA rated housing. It is recommended to allow at least 3 inches of extra space to ensure adequate ventilation. Exposure to direct sunlight and intense ultraviolet rays must be protected. The operating temperature of the module should not exceed the ambient temperature.
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