Isolated Transmitter for Pulse Signal Detection of Speed Sensor: ISO S-P-O / SY S-P-O Series

Isolated Transmitter for Pulse Signal Detection of Speed Sensor: ISO S-P-O / SY S-P-O Series

ISO S-P-O Series (Sine to Square) Isolation Transmitters are hybrid integrated circuits that isolate and convert speed sensor signals, sine wave, sawtooth wave signals, or weak waveform signals into square wave signals at exactly the same frequency as the input. The product integrates a set of multiple highly isolated DC/DC power supplies, a high-performance signal isolator and signal amplification and shaping circuits on the same chip. It is especially suitable for isolating and converting signals such as rotational speed and sinusoidal waveforms into standard square wave pulse signals, which are now widely used in automotive speed measurement and automotive ABS antilock braking systems.

 　 
      The high efficiency DC-DC integrated inside the ISO S-P-O chip generates multiple isolated power supplies to power the internal input amplifier circuits and modulator circuits, and the output demodulator circuits, converter circuits, and shaper circuits, respectively .SMD process structure and new technology isolation measures so that the device can achieve: power supply, signal input / output 3000VDC triple isolation. And can meet the industrial grade wide temperature, humidity, vibration of the site of the harsh operating environment requirements. The ISO S-P-O series of isolation transmitters are very easy to use and require no other external components to isolate and transmit speed sensor signals.

Typical Application Wiring Diagrams:

 SunYuan SY S-P-O series rotational speed signal acquisition low-cost transmitter is a kind of hybrid integrated circuit that converts the rotational speed sensor signal, sinusoidal waveform, sawtooth waveform signal, or tiny pulse signal amplification into a square-wave signal that is exactly the same as the input frequency. The product integrates a set of multiple highly isolated DC/DC power supplies, a high-performance signal amplification and shaping circuit on the same chip. It is particularly suitable for low-cost design solutions in which signals such as rotational speed and sine wave are amplified and converted into standard square-wave pulse signals, and is currently widely used in rotational system testing such as motor operation speed measurement and automotive ABS anti-lock braking.

        The high efficiency DC-DC integrated inside the SY S-P-O chip generates multiple isolated power supplies to power the internal input amplifier circuits and modulation circuits, and the output demodulation circuits, conversion circuits, and shaping circuits, respectively. SMD process structure and new technology isolation measures so that the device can achieve: working power supply and signal channel between the 3000VDC two isolation, and can meet the industrial level of wide temperature, humidity, vibration of the site of the harsh operating environment requirements.   

       SY S-P-O series isolation transmitter is very easy to use, without other external components, can realize the speed sensor signal amplification conversion and transmission.

Product Selection Example 

Example 1: Signal input: speed sensor, sine wave VP-P: 200mV~10V; Output: 0-5V level; Auxiliary power supply: 24V.

Model No.: SY S1-P1-O1 

Example 2: Input: motor speed sensor, sine wave VP-P: 200mV~10V; Output: open collector output; Power supply: 12V.

Product Model: SY S1-P2-O4 

Typical Application Diagram

Pin Function Description for DIN3 SY S-P-O Series Single Low Cost, Small Form Factor Standard DIN35 DIN Rail Mount Products

The DIN3 SY S-P-O series features an ultra-thin, small footprint (12.5mm thick), standard DIN35 rail mounting base. Embedded with SY S-P-O series integrated modules, using terminal blocks as auxiliary power supply and signal input/output connection. The products are free of zero and fullness adjustment, which is convenient for users to use directly. Due to the size limitation, DIN3 series small size DIN rail mounting products can only realize one inlet and one outlet isolation conversion function

DIN3 Series Dimensions and Typical Applications

Typical Applications for Multi-Rail DIN 1X1/1X2/2X2 Products

SSunYuan I type standard DIN35 rail-mounted multi-channel two-isolated rotational speed signal acquisition converter, equipped with single or multiple SY S-P-O series integrated modules, can realize the conversion of one-in-one-out (DIN1X1), one-in-two-out (DIN1X2), two-in-two-out (DIN2X2), etc., multi-channel rotational speed sensor signals, sinusoids, sawtooth wave signals, or tiny pulse signals amplified into a square-wave signal with the input frequency exactly the same as the conversion function. No need for zero and fullness adjustment, the internal increase of anti-surge suppression protection circuit, the product is more convenient to use, safe and reliable.