Module spare parts TRICONEX 3009

Focus on DCS, PLC, robot control system and large servo system.

Main products: various modules / cards, controllers, touch screens, servo drivers.

Advantages: supply of imported original products, professional production parts,

Fast delivery, accurate delivery time,

The main brands include ABB Bailey, Ge / fuanc, Foxboro, Invensys Triconex, Bently, A-B Rockwell, Emerson, ovation, Motorola, xyvom, Honeywell, Rexroth, KUKA, Ni, Deif, Yokogawa, Woodward, Ryan, Schneider, Yaskawa, Moog, prosoft and other brands

TRICONEX  3009

Because the SCXI-1141 module stopband begins at 1.5 times the cutoff frequency, the Nyquist frequency should be at least 1.5 times the cutoff frequency. Thus, the rate at which the DAQ device samples a channel should be at least three times the filter cutoff frequency to acquire meaningful data. The stopband for the SCXI-1142 module begins at six times the cutoff frequency, so you should sample it at a rate of 12 times the cutoff frequency to acquire meaningful data. The stopband for the SCXI-1143 module begins at 3.2 times the cutoff frequency, so you should sample it at a rate of 6.4 times the cutoff frequency to acquire meaningful data. For example, if a DAQ device is scanning all eight channels of the SCXI-1141 at a rate of 120,000 channels/s, the sample rate for each of the eight channels is: and the cutoff frequency for the filters should be set no higher than: Using this stopband, the filter attenuates the input signal by 80 dB or more. This is enough attenuation to prevent aliasing on DAQ systems with 12 bits of precision or less. On systems with more than 12 bits of precision or systems with extremely high amounts of out-of-passband noise, higher sampling rates or lower cutoff frequencies are necessary to prevent aliasing. You can set the filter cutoff frequency closer to the sampling rate with the consequence of having some aliasing. If you can tolerate aliasing in the transition band, you can reduce the sampling rate to 2.6 times the cutoff frequency for the SCXI-1141 module, five times the cutoff frequency for the SCXI-1142 module, and 3.5 times the cutoff frequency for the SCXI-1143 modulasing.