Intelligent universal standard analog active transmitter:DIN 1X1 ISOEM (LED1)
Product Category: Active Intelligent Isolation Amplifier with LED Display
Input: 4-20mA,0-5V etc Output: 0-10V,0-20mA etc
Power: -- Isolation Voltage: 3000VDC
Package: DIN35 Traffic Watch: times
Remarks: Intelligent universal standard analog active transmitter
Product Description
Intelligent universal standard analog active transmitter:DIN 1X1 ISOEM (LED1)

Features:
● Visual display of online input or output signal values ​​for on-site inspection and operation
● High-precision four-digit LED digital display with ±2 words at the end of the display resolution
● Programmable setting of two-way lower limit isolated switch alarm signal output
● Accuracy class: 0.1, 0.2, 0.5, non-linearity <0.2% of full scale
● Built-in multiple protection circuits, no external components required, zero point gain adjustment
● Between auxiliary power supply, analog input and output: 3000VDC three isolation
● Auxiliary power supply: single power supply mode such as 5V, 12V, 24VDC, 220VAC
● 0-75mV//0-5V/0-10V/0-1mA/0-20mA/4-20mA analog signal
     Isolation, amplification, and display and control
● Industrial temperature range: -25 ~ +70 °C
● Low cost, small size standard DIN 35 rail mounting method
● EMC interference requirements must be added to the electromagnetic interference suppression circuit and shielding measures
 
typical application :
● DC current and voltage signal isolation conversion, amplification and monitoring
● Industrial field analog signal detection, isolation and long-distance transmission
● Analog signal ground line interference suppression and acquisition isolation
● Instrumentation and sensor signal transmission and reception and monitoring
● PLC, DCS field analog signal isolation detection
● Inverter signal remote anti-interference and distortion-free transmission
● Power monitoring, medical equipment isolation barrier
● 4-20mA (0-20mA) / 0-5V signal isolation and transformation
● Industrial equipment operation measurement, monitoring and remote control
● Oil, chemical, environmental protection, mining system control point monitoring
● Temperature, pressure, flow, liquid level signal monitoring display
● Sensor and transmitter working status display and control

SunYuan DIN 1X1 ISOEM (LED1) series intelligent isolation transmitter is a display control transmitter that isolates and converts analog voltage or current signals into precision and linearity. The product integrates isolation, display, alarm control and transmission. It contains a set of high efficiency and multi-isolated DC/DC power conversion circuit, signal modulation and demodulation circuit, signal coupling isolation conversion circuit, display and alarm control circuit. Especially suitable for: 0-75mV/0-5V/0-10V/0-1mA/0-20mA/4-20mA and other analog unregulated isolation amplification transmission, display and control. The product adopts a low-cost solution of magnetoelectric coupling, and is mainly used in applications where there is no special requirement for EMC (electromagnetic interference). The internal integrated process structure and new technology isolation measures enable the device to achieve: auxiliary power supply, signal input and output 3000VDC three isolation. And can meet the industrial requirements of wide temperature, humidity, vibration environment. The intelligently designed new isolated transmitter series has built-in reverse protection, overload, anti-surge and other protection circuits. It does not need external components and is free of zero gain adjustment. It adopts standard DIN35 rail installation method, which is convenient for users to use on site.
 
       The DIN 1X1 ISOEM (LED1) series is intelligently designed to provide a variety of functions not found in traditional products. The analog signal can be isolated and transmitted only by a single power supply, and displayed in decimal digital quantities according to the set range. The traditional embedded analog display meter is adjusted by a potentiometer, and the adjustment parameters are single, inflexible, and greatly affected by temperature. Compared with the traditional analog display table, this intelligent digital display table is operated by two key combinations and controlled by the central processing unit CPU, which can realize setting of various parameters such as zero point, full scale, decimal point, alarm and delay. , with strong flexibility and practicality. The digital display adopts an LED display panel and has reverse and overcurrent protection functions. The products are widely used in industrial control, petrochemical, environmental protection, smart home, mining and other industries to monitor the temperature, pressure, displacement, flow, liquid level and other physical quantity control points.
 
       DIN 1X1 ISOEM (LED1) series of active intelligent isolation transmitters can directly isolate and convert analog signals, and have signal display and output alarm control functions. The embedded intelligent digital display meter is used to measure the transmission signal. The displayed digital value is not a direct output voltage or current measurement value, but a signal preset value. By setting the measured output zero point and full-scale voltage or current value relative to each other. These two preset values ​​are displayed linearly. For example: the transmission output 4-20mA, 4mA is set to 0, 20mA is set to 8000, then the meter will display 2000 when input 8mA, 4000 will be displayed when input 12mA; and if the 4mA is set to 1000, 20mA is set to - 1000, the table will display 0 when 12mA is input, and -500 will be displayed when 16mA is input. The maximum display range of the digital display is 9999, which is four digits; the minimum is -1999. Its alarm function with two isolated switch outputs can display, control and alarm on the spot. The two alarm points set have positive and negative alarm direction settings. The alarm object of the alarm point is for the display reading. The last decimal point of the LED panel flashes during the alarm, and the alarm information is isolated and output by the digital optocoupler. For products that need to set the alarm function, the upper or lower limit alarm value and alarm mode can be modified by the programmer. For detailed setting method, please refer to the “Display Table User's Manual” on the following page.
Remark: The alarm signal is the OC gate (open collector) output. For the specific application, please refer to the [Alarm Output and Application] on the following page.

Product selection example:
Example 1, input: 0-5V; auxiliary power supply: 24VDC; output: 4-20mA; LED display.
              Model: DIN 1X1 ISOEM U1-P1-O1 (LED1)
 
Example 2, input: 4-20 mA; auxiliary power supply: 24 VDC; output: 4-20 mA; LED display.
              Model: DIN 1X1 ISOEM A4-P1-O1 (LED1)
 
Example 3, input: 4-20 mA; auxiliary power supply: 5 VDC; output: 0-5 V; LED display.
              Model: DIN 1X1 ISOEM A4-P3-O4 (LED1)

Product Pictrues:

Alarm output and application:
1. The DC level signal generated by the two-way alarm signal in the main CPU chip is isolated and output by the optocoupler. The output low level indicates the alarm state, and the output high level is the non-alarm state.
2. Because the display controller is passive two-wire system, the minimum working current is 3mA, so the alarm signal is also very weak, the minimum is only 0.5mA. The signal is isolated by a phototransistor type photocoupler with a strong current spreading capability, and an open collector (OC gate) output is used. The output is connected to the pull-up voltage, and the current can be expanded up to 120mA. The principle of this phototransistor type photocoupler is shown in the figure below: the instrument signal is isolated by optocoupler, 9, 10 "1H /1L", 7, 8 "2L /2 H" wiring port is optocoupler OC gate The output end of the signal is connected to the external power supply circuit of the instrument, and further amplifies and energizes the alarm signal, and finally reaches an actuator that can drive the required sound, light, electricity, refrigeration, heating, and motor. 9, 10 "1H / 1L" is the first alarm output, 7, 8 "2L /2 H" is the second alarm output, "1H", "2H" connected to the phototransistor collector, "1L", "2L  emitter.

Sunyuan Technology SY Series Intelligent Digital Display
 
 
Sunyuan Technology the newest developed SY LED / SY LCD series,with low cost, small size isolation transmitter 4-20mA two-wire passive intelligent display control instrument, dedicated to sensors and isolation transmitters |isolation amplifiers | PLC | DCS, etc.Isolated transmission of analog signals and intelligent display control. These LED or LCD four-bit high precision intelligent digital display meters use the principle of two-wire passive digital adjustment. The electrical signal passed through the digital measuring circuit is used as the input signal of the display meter and also the working power of the display meter. This two-wire passive type of operation eliminates the need for additional auxiliary power supplies. It is easy to connect in industrial field and has reverse protection and overcurrent protection. Products are widely used in industrial intelligent control, instrumentation intelligence, petrochemical, environmental monitoring, rail transit, electric vehicles, smart home, fire safety, mining monitoring and other industries on temperature, pressure, flow, liquid level, displacement, speed, frequency Monitoring of physical quantity control points. In industrial control systems, most applications use a variety of related sensors to convert physical quantities such as temperature, pressure, and displacement into 4-20 mA electrical signals, and intelligent digital display displays these electrical signals in real time for human convenience. Carry out all kinds of monitoring and control

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