IC752SKT004RR Input/Output 12.0 A

Main product features
Equipped with LGA1151 slot, 9th/8th generation Intel ® Core i7/i5/i3, Pentium or Celeron ® Central Processing Unit (Coffee Lake Refresh Platform)
Built in Intel ® Q370 (IMB523R) and H310 (IMB524R) high-speed chipset
IMB523R and IMB524R respectively support 4 sets/2 sets of 288 pin DDR4-2666/2400 MHz DIMM slot system memory up to 128GB/64GB
● Provides display interfaces such as DisplayPort++, DVI-D, HDMI, and VGA, supporting independent triple display (IMB523R) and dual display (IMB524R) functions
IMB523R is equipped with 5 sets of SATA-600 hard drive interfaces that support RAID 0/1/5/10 software functions, while IMB524R is equipped with SATA-600 hard drive interfaces
● Built in PCI Express Mini Card slot
IMB523R is equipped with 2 sets of high-speed USB 3.1 interfaces (Gen 2) and 4 sets of USB 3.1 interfaces (Gen 1)/IMB524R is equipped with 4 sets of high-speed USB 3.1 interfaces (Gen 1) and 5 sets of USB 2.0 interfaces
● Choose Trusted Platform Module (TPM) 2.0

IC752SKT004RR Input/Output 12.0 A

1、 What is an incremental encoder
Incremental encoder refers to an encoder that pre encodes the position, but its specific position needs to be measured by the increase or decrease of the position relationship between two readings (such as counting relative to zero point Z and storing it electronically) in order to obtain accurate position. This is because the encoder determines the position based on the relationship between two readings, so it is also called a “relative” encoder. Encoders that have registers and count accumulations that depend on the previous reading are all relative encoders, and cannot be called “absolute encoders”.
For example, in the internal encoder of a photoelectric incremental encoder, the number of engraved lines represents the AB phase at each interval position, and the zero position Z phase is represented by one engraved line per circle. The specific position is the relative position to the Z phase, or the number of engraved lines relative to each other determines how much angular position it moves from the starting point of the previous reading to the end point of this reading.
2、 The data encoding method of incremental encoder
The incremental encoder divides a 360 degree circle by outputting the number of pulses per revolution, also known as resolution. The variation of each pulse cycle represents a certain angle variation. The method of pre dividing the angle into each cycle and reading the counting cycle variation is called “incremental encoding”. The output of the incremental encoder is generally an A/B/Z three-phase signal, where the output of A and B differs by 1/4 cycle, forward rotation by 1/4 phase, and reverse rotation by 3/4 phase. This can be used to determine the forward and reverse rotation of the encoder. The Z phase provides only one position pulse per cycle, which can be used to set the zero position value.
3、 What are the positive logic and negative logic of incremental encoding
The square wave of incremental pulse signal has a logic of 1 at high level and 0 at low level, which becomes the positive logic of encoding, and vice versa. The encoding of the general NPN collector open circuit output form is negative logic.
4、 What is CW encoding or CCW encoding
Looking at the shaft end of the encoder, the encoder shaft rotates clockwise, and the increase in encoder data is called CW. Facing the encoder shaft end, the encoder shaft rotates counterclockwise while the data increases, which is called CCW.
5、 What is the orthogonal AB phase of an incremental signal?
The incremental encoder outputs A-phase pulses and B-phase pulses, with a phase difference of 90 degrees (1/4T of one cycle) between A-phase and B-phase pulses, which becomes the “orthogonal AB phase”. Orthogonal phase difference can provide the receiving device with the ability to determine the direction of rotation of the encoder shaft. The forward rotation is 1/4T, and the reverse rotation is 3/4T. This allows subsequent receiving devices to easily determine whether the incremental pulse signal is “increasing” or “decreasing” the cumulative number of pulses. 6、 What is the fourth harmonic of an incremental orthogonal AB signal?
The phase difference of the orthogonal AB signal is 90 degrees. Within one pulse cycle, four changes can be determined by the changes in the rising and falling edges of the A and B pulse signals, or by decoding the combination of 1 and 0 in the A signal encoding logic and 1 and 0 in the B signal, A and B form a two bit encoding. Within one pulse cycle, there can be four segmentation intervals, and these four changes or intervals can be interpreted as the fourth harmonic of the incremental orthogonal AB signal.

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