AC signal to DC (AC/DC) intelligent transmission digital meter:DIN 1X1 ISO AC-P-O (LED1)
Product Category: Specialized Designed Isolation Amplifier with LED Display
Input: 0 ~ 5-500VAC,0 ~ 0.5-30AAC,AC signal Output: 4-20mA,0-10V etc
Power: -- Isolation Voltage: 3000VDC
Package: DIN35 Traffic Watch: times
Remarks: AC signal to DC (AC/DC) intelligent transmission digital meter
Keywords: AC to DC   intelligent   transmission   digital meter  
Product Description
AC signal to DC (AC/DC) intelligent transmission digital meter:DIN 1X1 ISO AC-P-O (LED1)

Features:
● High-precision visual display output loop current value for on-site debugging and monitoring
● 4-digit LED digital display, high precision, display resolution, last 2 bits
● Programmable setting of two-way lower limit isolated switch alarm signal output
● Detection conversion accuracy, linearity error level: 0.2, 0.5
● Signal input: 0 ~ 5-500VAC voltage signal
                          0 ~ 0.5-30AAC current signal (40 ~ 60HZ)
● Auxiliary power supply: 5V, 12V, 15V or 24V DC single power supply
● International standard signal output: 0-10mA / 4-20mA / 0-5V / 0-10V, etc.
● Between auxiliary power supply, analog input and output: 3000VDC three isolation
● Built-in multiple protection circuits, no external components required, with zero gain adjustment
● Low cost, small size standard DIN35 rail mounting
● Industrial temperature range: - 40 ~ + 85 °C
 
Typical application:
● AC signal, sine wave signal acquisition, isolation and transformation
● High-precision intelligent monitoring and control of power transmission and distribution
● Generator or motor safe operation monitoring and control
● Instrumentation and sensor AC signal isolation and conversion
● High-voltage transformer AC signal isolation conversion standard DC signal
● AC signal remote intelligent distortion-free transmission
● Industrial control system ground interference suppression
● Power and medical equipment isolation barrier
● Power control system signal isolation, detection and intelligent monitoring
● Isolation and long-distance transmission of industrial field AC signals
● Oil, chemical, environmental protection, mining system control point monitoring
● Sensor and transmitter working status display and control

SunYuan DIN 1X1 ISO AC-PO (LED1) series of intelligent AC-to-DC (AC/DC) signal transmitters, which are a new type of analog DC voltage or current signal that is used to isolate AC voltage or current in a linear ratio. Detect the device. The product integrates isolation, display, alarm control and transmission. It contains a set of high-efficiency and multi-isolated DC/DC power conversion circuit, AC/DC signal conversion circuit, signal coupling isolation conversion circuit, display and alarm control circuit, etc. . Especially suitable for: 0 ~ 5-500VAC voltage signal and 0 ~ 0.5-30AAC current signal (40 ~ 60HZ) AC signal proportional conversion to 4-20mA / 0-10mA / 0-20mA DC current signal or 1-5V / 0 The DC voltage signals such as -5V/0-10V are isolated, amplified, transmitted, displayed and controlled. 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. Intelligently designed new isolation transmitter series products have built-in reverse connection, overload, anti-surge and other protection circuits, no external components, zero gain adjustment, standard DIN35 rail installation, convenient for users to use on site.
 
    The DIN 1X1 ISO AC-P-O (LED1) series is intelligently designed to provide a variety of functions not found in traditional products. The AC 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 the fields of power remote monitoring, rail transit distribution, high voltage instrumentation, medical equipment safety barrier, industrial power supply operation and so on.
 
    DIN 1X1 ISO AC-P-O (LED1) series of active intelligent isolation transmitters can directly AC signal acquisition, isolation and conversion, as well as signal display and output alarm control. The embedded intelligent digital display meter is used to measure the transmission output 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 these two preset values ​​is 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: 0-1AAC; Auxiliary power: 24VDC; Output: 4-20mA; LED display.
            Model: DIN 1X1 ISO 0-1AAC-P1-O1 (LED1)
Example 2, input: 0-5AAC; auxiliary power supply: 12VDC; output: 0-5V; LED display.
            Model: DIN 1X1 ISO 0-5AAC-P2-O4 (LED1)
Example 3, input: 0-220VAC; auxiliary power supply: 5VDC; output: 0-10V; LED display.
            Model: DIN 1X1 ISO 0-220VAC-P3-O5 (LED1)
Example 4, input: 0-500VAC; auxiliary power supply: 15VDC; output: 0-20mA; LED display.
             Model: DIN 1X1 ISO 0-500VAC-P4-O2 (LED1)




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.



                                        Alarm output 1                                                                                  alarm output 2


3. Because of  the limitation of the maximum current of the phototransistor Ic, its expansion and driving load capacity is limited. If the user needs more driving current, it can be used to drive relays, solenoid valves, stepping motors and other devices on site, and can externally connect the power expansion circuit. The power amplifier tube or servo circuit is subjected to current amplification and special processing.
 
Order selection instructions
Please read the entire contents of this manual carefully before ordering to determine whether the product meets the user's on-site application and is correctly selected.
1. The factory default setting of this product is set to “0.0” by 4mA and “200.0” by 20 mA.
2. When ordering, the user should first put forward the display specification requirements. We will adjust the digital display meter before leaving the factory, which is convenient for users to use directly.
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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