New Product Loop Powered PWM to 4-20mA Signal Conditioner

• Customization: Available
• Warranty: 2 Years
• Input PWM: 50Hz-99Hz/100Hz-0.9kHz/1kHz-9kHz/10kHz-19kHz/20kHz
• Model NO.: ISO D-O1
• Output: 4-20mA/0-20mA/0-5V/0-10/1-5V,etc
• Isolation Mothod: Photoelectricity Isolation
• Isolation Voltage: 3000VDC
• Power Supply: None Loop Powered
• Industrial Temperature Range: -20~+50 Centigrade
• Lead Time: 3-4 Working Days
• Shipping Way: DHL , FedEx
• Payment Way: T/T , Paypal ,Western Union
• Transport Package: SIP12pin
• Specification: ISO9001: 2008, CE, RoHS
• Trademark: SUNYUAN
• Origin: Shenzhen, Guangdong, China
• HS Code: 8543709200
• Production Capacity: 50000PCS Per Month

Product Description

20KHz-50KHz PWM Input to 4-20mA Output Signal Isolated Distributor


1.Two-wire passive PWM signal to analog signal isolation transmitter: ISO D-O1 series
Features :
Unique loop-powered technique used, external power supply is not required.
PWM pulse width signal input, 4-20mA loop powered output type.
10Hz--50kHz PWM signal input, high sensitivity, fast response.
High linearity in full measuring range, non-linearity<0.2% />3kV isolation between input and output.
Extra small size 22x11x9mm, error grade: 0.1, 0.2, 0.5
SIP 8-Pin PCB-mounting, UL94V-O flame-retardant package.
High anti-interference ability on EMC magnetic interference or high frequency signal.
Industrial operating temperature range: -40--+85Cel. deg.

Application :
PMW signal long-distance transmission, isolated conversion.
PLC and Inverter control in industrial site.
Signal Ground wire anti-interference.
Boiler temperature automatic control.
DA Converter designed on the basis of PWM.
Processing control and automatic equipment
PWM to 2-wire 4-20mA signal isolated control,
1-channel input 1-channel output or 2-in 2-out isolated conversion.
Description :

SunYuan ISO D-O1 is an micro-size low power consumption passive integrated transmitter IC designed
for the isolated conversion from PWM pulse width signal into 2-wire 4-20mA signal. That IC operates in current
loop powered in output terminal mode, it receives PMM signal from input, and converts it into corresponding
isolated 4-20mA standard 2-wire current signal in linearity.
SunYuan ISO D-O1 series PWM Pulse width transmitter is a kind of integrated mixed circuits which can
convert the duty ratio of PWM signal into isolated standard current signal. The transmitter IC is in low cost, small
size standard SIP 8Pin flame-retardant package. It has combined with the following circuits: signal coupling isolated conversion circuit, precision reference voltage source switching control circuit, low-pass filtering circuit, driving amplification circuit, VI conversion circuit, etc. The output loop powered power supply range is 12-36VDC, PWM signal is converted in high accuracy and linearity. The hybrid integrated circuit and isolated technique used enable that transmitter IC to operate in 3KV isolation between input and output and operate normally in the severe operating environment, like high/low temperature, humidity, shake, etc in industrial site.
SunYuan ISO D-O1 is designed by using high speed optically coupled isolation mode and high efficiency
feedback loop powered technique to achieve the isolated conversion from PWM signal to 4-20mA standard signal. It can be well matched with the input interface of various types of meters and instruments like PLC, DCS, FCS, etc. Operating in loop powered mode and extra small size (22.0X11.0X9.0mm) can effectively simplify user's system layout and save the space and cost in designing an application solution. The transmitter has 35mm DIN Rail-mounting package and PIM embedded board with display type. For 35mm rail-mounting type, it has single input, single output, dual input-output, triple input-output type. PIM embedded board with display type can realize sensor signal isolation and display, alarm control, long-distance transmission without distortion. It is widely applied to electric power system, telecom, instrumentations & measurements, medical equipments, industrial intelligent control, automotive electronics, security-monitoring system, military industry, etc.

General Parameters :

Accuracy,linearity error grade--------------0.1,0.2,0.5	Load regulation------------<0.05% meas.val.="">
Auxiliary power supply -----None	Isolation----Dual isolation between input and output
Operating temperature--- -40 -+85degree	package-------SIP 8pin
Operating humidity-----10-90%(non-condensation	withstand voltage-----3KV(60HZ/S),leakage current <1ma<>
Storage temperature---------45 - 105degree	impulse withstand Volt.-----3KV,1.2/50us(peak)
storage humidity-------10-95%	Temperature drift-------0.0050%F,S./Degree (-40- +85degree operating temperature range

<0.05% meas.val.=""><1ma<>Dimensions and pin function description and Diagram of wiring:

Pakcaging pictures as bellow:

(SIP pin packaging , DIN3 rail-mounted packaging , DIN35 Rail-mounted packaging)

2.PWM pulse width signal DA conversion high-precision miniature isolation transmitter: ISOS D-P-U series

Features :
1. PWM pulse width signal input, 0-5V/0-10V and other analog voltage signal output
2.PWM signal 30Hz~30KHz wide frequency input, sensitive resolution and fast response speed
3. Very high conversion accuracy and linearity in the full range (non-linearity <0.2%)
4. Signal input and output 3000VDC two isolation
5. The power supply voltage only needs to be higher than the output signal voltage value by more than 3VDC
6. Ultra-small size (19.6 X 6 X 10mm) error level: 0.1, 0.2, 0.5
7. SIP7 Pin standard PCB board installation, in line with UL94V-0 flame retardant package
8. Strong anti-EMC electromagnetic interference and high-frequency signal spatial interference characteristics9. Industrial temperature range:-40 ~ + 85ºC

Application :
1. Single chip microcomputer PWM signal transmission, isolation, long-term transmission
2. Industrial field PLC control and inverter control
3. Ground interference suppression
4. Automatic selection and control of industrial boiler temperature
5. Inverter FA signal isolation conversion monitoring6.PWM build DA converter
7. The PWM signal is converted into an analog quantity for linear precision control

Pakcaging pictures as bellow:

(SIP pin packaging , DIN35 rail-mounted packaging ,

For more information, please feel free to contact us:

Other products:
Commonly used two-wire passive isolation amplifier, isolation transmitter IC, Sunyuan product technical information download:






Commonly used active type (external auxiliary power supply required) isolation amplifier transmitter IC, product selection application data download:







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