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ZHC4661 Wireless RS485 To LTE 4 20 MA Controller Agriculture IOT Controller

Chengdu Zongheng Intelligence Control Technology Co., Ltd.

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Address: No.15, 19/F, Building 1, No. 888 middle Yizhou Avenue, High-tech Zone, Chengdu City Sichuan Province CHINA

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ZHC4661 Wireless RS485 To LTE 4 20 MA Controller Agriculture IOT Controller

Country/Region china
City & Province chengdu sichuan
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Product Details

RS485 to LTE 4 20 mA Controller Wireless Control for Agriculture IOT Project
 

  • Introduction​ of ZHC4661


ZHC4661 is an industrial-grade 4G RTU that provides 4 channels of AI, 2 channels of AO and 1 channel of RS485 interfaces, supports Modbus RTU/TCP adaptive, automatic acquisition and active reporting, 4-20mA analog control acquisition, automatic calibration threshold reporting, support one-to-one, many-to-one connection, which can be widely used in power systems.

 

Antenna: LTE network antenna
SIM: Press the yellow dot on the side of the SIM card slot, pop out the card tray, and insert the SIM card
RESET: restore factory button
DC12~36V (DC power socket): DC12~36V input
DC12~36V (terminals): DC12~36V input
POW: Power indicator
WORK: Equipment operating status indicator
LINK: Network status indicator
DATA: Data transmission indicator
AI: 4~20mA analog signal input
485: RS485 interface
AO: 4~20mA analog signal output
Wiring: PC is connected to ZHC4661 via USB to RS485 tool.
Networking: Insert the SIM card before powering on the device.
Power supply: DC12~36V.
After power-on, open the corresponding serial port, you can configure the ZHC4661 through the host computer


Parameters of ZHC4661
 

Analog QuantityAIAO
Number of Interface42
Satandard4*AI 2*GND2*AO 2*GND
Detection / Output Range4~20mA4~20mA
Serial Port
StandardRS485 (A / B)
Baud Rate600~921600 bps
Data Bit8, 9
Stop Bit0.5, 1, 1.5, 2
Parity BitNONE EVEN ODD
Mechanical Structure
SIZE93*69*25mm(L*W*H)
SHELLGalvanized Steel Sheet
Work TEMP.-40℃~85℃
Storage TEMP.-40℃~125℃
Work Humidity5~95%
Storage Humidity1~95%

 
 
Function of ZHC4661


The signal current of general instruments is 4-20mA, which means that the minimum current is 4mA and the maximum current is 20mA. When transmitting a signal, consider that there is also resistance on the wire. If voltage transmission is used, a certain voltage drop will be generated on the wire, and a certain error will occur in the signal at the receiving end. Therefore, the current signal is generally used as the standard transmission of the transmitter.
ZHC4661 is a remote control product that supports analog follow and control acquisition.
Support 4 analog inputs, default current detection.
Support 2 analog output, default current output.
Support analog follow and control acquisition.
 








 
 
 

 

ZHC4661

RS485 Modbus

RS485 Automatic Acquisition

Virtual Serial Port

Connfiguration Software

Threshold Report

Configuration Software Docking

Modbus RTU/TCP

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