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  • Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178
Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178

Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178

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Product Overview

Description





For now we upgrade this modem to ZHC492C, which have same ports and more powerful functions, Pls contact us before order:)




Product Description




Details Images




Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178

Self-built server 
If Customers have their own servers
ZHC4922 can communicate directly with the client server after simply configured.
The ZHC4922 follows the Modbus RTU/TCP protocol and also supports 485-channel transparent transmission protocols.




If customer don‘’t have a cloud server
When some customers use the configuration software, they can't directly connect the PC and S485. The ZHC4922 supports the ZH-Cloud transmission. The customer only need to install the virtual serial port, the data of the ZHC4922 can be forwarded to the local serial port of the PC, which is more convenient and quick. (Also applicable to scenarios without a cloud server)


Configuration software docking
ZHC4922 has an RS485 interface, which supports the standard modbus RTU/TCP protocol. 
The configuration software can directly read and command the ZHC4922 through the RS485 interface.




Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178

The ZHC4922 supports networking functions and supports one-to-one and multiple-to-one networks.
This need is very practical for some specialization scenarios. 

Analog Auto-calibration Threshold Report
The ZHC4922 presets the analog linear calibration parameter value, the user only needs to modify the k/b value to achieve the linear calibration effect.
In addition, the effect of analyzing the analog data can be realized by adjusting the k/b value, and the threshold will be reported. 


Modbus RTU/TCP Automatic Identification
Adaptive Modbus RTU/TCP protocol, the data format replied by the ZHC4922 is consistent with the data format sent by the cloud. 

TCP Client Communication 
The serial server initiates a TCP connection to the server actively. If the connection fails, the connection is repeated repeatedly until it succeeds. If the connection is completed, the server and serial device can carry out two-way transparent data transmission.









RS485
RS232
DO
DI
AI
AO
LAN
GPS
WIFI
ZHC4012
1
1







ZHC4921
1

4
4
4




ZHC4931
1
1
1
2
1




ZHC4922
1

4
4
4




ZHC4661
1



4
2



ZHL4921G
1
1
1
2
1

1
YES

ZHL4921W
1
1
1
2
1

1

YES
ZHC2921
1
1
4
4
4




ZHC2931
1
1
1
1
1






Product Applications


Low Power Gprs Data Logger RTU Modebus IO Serial RS485 to 4G WiFi LTE Relay Output IOT Router ZHC4922 Ethernet Converter DTU 178

4G DTU/RTU Modem is required in many places.
Such as factory reservoirs, reservoirs for irrigation of farmland, water towers for water supply, water levels for rivers, etc. It is important to monitor the water level remotely.

Smart Agriculture
1. Monitoring the situation in the greenhouse,such as utilization rate about water resources, fertilizers and so on.
2. To obtain farmland information and monitor sudden natural disasters.
3. Fully automated operation without human intervention, achieving the precise control of agriculture.
Industrial Detection
1. According to the site environment to choose WiFi or wired networking.
2. Real-time detection of air leakage products.
3. High sensitivity transmission monitoring data, the accurate data can ensure that monitoring without omission.




Product packaging




Company Profile






FAQ


Q1: Are you a manufacturer or a trading company?
A1: We are the Manufacturer with years of R&D experience.
Q2: What about the delivery time?
A2: For regular order it takes about 3-6 days for production, for mass order or customized order it may need 15-30 days.
Q3: What is your delivery terms and payment terms?
A3: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you.
Q4: After service and warranty?
A4: We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person.
Q5. How can we know the product quality?
A5: We have professional QA and QC teams, 100% quality inspection is performed before the goods out of the factory.


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