Displacement resistance signal intelligent monitoring isolation transmitter:DIN 1X1 ISO R-P-O (LED1)
Product Category: Specialized Designed Isolation Amplifier with LED Display
Input: 0-50Ω, 0-500Ω, 0-10KΩ, resistance signal Output: 4-20mA,0-10V,1-5V etc
Power: -- Isolation Voltage: 3000VDC
Package: DIN35 Traffic Watch: times
Remarks: Displacement resistance signal intelligent monitoring isolation transmitter
Product Description
Displacement resistance signal intelligent monitoring isolation transmitter:DIN 1X1 ISO R-P-O (LED1)

typical application :
● Displacement, potentiometer signal isolation, acquisition, transformation and monitoring
● Electronic ruler, angle sensor signal isolation, acquisition and transformation
● Displacement monitoring of precision equipment such as CNC machine tools and robots
● The angular displacement and resistance signals are converted into PLC to receive analog signals.
● Precision monitoring of displacement changes of electric vehicles such as ABS
● Precision monitoring of displacement points of geological construction projects such as roads and bridges
● Precision instrument increases distance measurement and display alarm control function
● Analog signal remote distortion-free transmission and monitoring
● Displacement sensor, transmitter working status display and control
● Industrial site ground interference suppression
 
Features :
● Visual display of displacement online output signal value 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
● Direct input of potentiometer, electronic ruler or displacement sensor signal
● Accuracy error level: two isolated type 0.1; fully isolated type 0.2
● Built-in linearization processing and long-line compensation circuit (non-linearity <0.05%)
● Auxiliary power supply and signal input, output 3000VDC three isolation
● Auxiliary power supply: 5V, 12V, 15V or 24VDC single power supply
● Input potentiometer signal: 0-50Ω/0-500Ω/0-2KΩ/0-10KΩ, etc.
    Output analog signal: 0-5V/0-10V/1-5V/0-20mA/4-20mA, etc.
● Industrial temperature range: - 25 ~ + 70 °C


Product selection example:
Example 1, power supply and signal channel two isolation type; input: 0-1KΩ; auxiliary power supply: none; output: 4-20mA; LED display.
              Model: DIN 1X1 SY R5-O1 (LED1)
 
Example 2, power and signal input, output fully isolated; input: 0-10KΩ; auxiliary power: 12VDC; output: 0-10V; LED display.
              Model: DIN 1X1 ISO R9-P2-O5 (LED1)
 
Example 3, power and signal input and output are fully isolated; input: 0-100 Ω; auxiliary power supply: 220 VAC; output: 0-5 V; LED display.
              Model: DIN 1X1 ISO R2-P5-O4 (LED1)



Typical application wiring diagram:

 
Typical Application 1: (Active) Displacement Input Current Signal Output Isolation Transmitter




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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