Support differential input analog micro signal distribution type display control transmitter:DIN 1X1 ISOEM-SD (LED1)
Product Category: Active Intelligent Isolation Amplifier with LED Display
Input: 0-10mV,0-75mV,mV signal Output: 0-10V,4-20mA etc
Power: -- Isolation Voltage: 3000VDC
Package: Magneto,electric Traffic Watch: times
Remarks: Support differential input analog micro signal distribution type display control transmitter
Product Description
Support differential input analog micro signal distribution type display control transmitter:DIN 1X1 ISOEM-SD (LED1)

Features :
● Support single-ended analog millivolt micro signal or differential signal input
● 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
● Zero and gain can be adjusted or fully calibrated by an external multi-turn potentiometer
● The isolated power is configured at the input: 5V, 12V, 24VDC, etc. (default: 5V)
● Isolation amplification, conversion, display and monitoring of analog signals such as 0-10mV/0-20mV/0-75mV/0-5V/0-10V/0-1mA/4-20mA
● Accuracy class: 0.1, 0.2, non-linearity <0.2% of full scale
● Between power supply, analog input and output, and power distribution: 3000VDC
● Auxiliary power supply: single power supply mode such as 5V, 12V, 15V, 24VDC
● Low cost, small size standard DIN35 rail mounting
● Industrial temperature range: -25 ~ +70 °C
 
typical application :
● EMC interference requirements must be added to the electromagnetic interference suppression circuit and shielding measures
● Passive sensor isolation power distribution and signal acquisition transmission monitoring
● Load cell signal transmission display control
● Preamplifier, bridge and other circuit configuration power supply is convenient to collect signals
● PLC, DCS field analog signal isolation, acquisition intelligent monitoring
● Isolation, conversion and amplification of DC current or voltage signals
● Analog signal ground line interference suppression and data isolation intelligent monitoring
● Industrial site signal isolation intelligent monitoring and long-distance transmission
● Instrumentation and sensor signal transmission and transmission and intelligent monitoring
● Analog small signal remote distortion-free transmission
● Power monitoring, medical equipment isolation barrier
● 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-SD (LED1) series of analog millivolt-class small signal or differential signal intelligent isolation transmitter, is a kind of (sensor, PLC) millivolt analog small signal and standard voltage or current signal isolation amplification, Conversion to a display control distribution transmitter with matching accuracy and linearity. The product integrates isolation, display, alarm control, transmission and distribution. 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. Circuits, etc. The transmitter supports single-ended analog millivolt-level small signal or differential signal input, especially suitable for: small signal amplification of 0-10mV/0-20mV/0-75mV/0-100mV and 0-5V/0-10V Isolation transmission display control of standard signals such as /0-1mA/4-20mA. It uses a low-cost solution of magnetoelectric coupling, mainly used in applications where there is no special requirement for EMC (electromagnetic interference). In addition to powering the internal amplifier circuit, the isolated power supply of the IC can also provide a set of isolated high-load capability (maximum 40mA) DC regulated power supply for external circuit expansion, such as bridge circuit and reference circuit. The products are generally used in high precision, with reference comparison, zero point and gain adjustable, zero point and full scale calibratable. The isolated power supply for the analog input terminal inside the module can be used for potentiometer, electronic ruler, angular displacement, speed, Passive two-wire or three-wire sensor power distribution such as pressure and flow can also be used as input preamplifier circuit, differential circuit, bridge circuit comparison, amplification, and reference power supply. The internal integrated process structure and new technology isolation measures enable the device to achieve: auxiliary power supply, signal input and output, and distribution power supply 3000VDC 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 has zero gain adjustment function. It adopts standard DIN35 rail installation method, which is convenient for users to use on site.
 
    The DIN 1X1 ISOEM-SD (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, road and bridge construction, petrochemical, environmental protection, smart home, mining and other industries to monitor temperature, pressure, displacement, flow, liquid level and other physical quantity control points.
 
    DIN 1X1 ISOEM-SD (LED1) series of active intelligent isolation transmission and distribution devices can directly convert and convert the millivolt analog output, which provide functions to the input to expand the power distribution, also have signal display and output alarm control. Features. 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: 0-10mV; auxiliary power supply: 24VDC; output: 4-20mA; power distribution 5VDC; LED display.
             Model: DIN 1X1 ISOEM U10-P1-O1-SD4 (LED1)
Example 2, input: 0-5V; auxiliary power supply: 24VDC; output: 0-10V; power distribution 24VDC; LED display.
             Model: DIN 1X1 ISOEM U1-P1-O5-SD3 (LED1)

Product Pictrue:

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.

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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