4G IOT Data Monitoring MQTT Modem for Greenhouse Agricultural Micro Green Growing System
Parameters of MQTT Modem
| | |
| Number of ports | RS485*1 | Number of interfaces | 1 Relay output |
| Standard | RS485: A, B | Standard | NO*1, COM*1 |
| Baud rate | 600～921600bps | Mechanical durability | 10^7 |
| Data bit | 8, 9 | Electrical durability | 10^5 |
| Stop bit | 0.5, 1, 1.5, 2 | Capacity | 5A 250VAC 30VDC |
| Check Bit | NONE EVEN ODD | |
| | Number of interfaces | 2 Relay input |
| Voltage | 9~36V | Standard | DI*2, COM*1 |
| Current | 60mA(aver) @9V
30mA(aver) @36V | Detection range (wet node) | 5~50V->High0~2V->Low |
| | |
| ESD | IEC61000-4-2, Level 4 | Number of Interfaces | 1 Analog input |
| Surge | IEC61000-4-2, Level 3 | Standard | AI*1, G*1 |
| Group pulse | IEC61000-4-2, Level 3 | Scope of test | 4~20mA |
- Introduction of MQTT Modem
ZHC492S support 4-channel dry (wet) node detection, 4-channel relay (COM, NO, NC) Output, 4 channel analog quantity (current 4~20mA) detection, 1 channel RS485 transparent network IO products, compatible with Modbus RTU/TCP protocol. With remote control as the core function, it is highly easy to use, users can easily and quickly integrate into their own systems to realize remote and local control based on LTE, RS485.
Client can send Modbus commands to ZHC492C through the network and serial port to read and write DO status.
DO of ZHC492S support active reporting, restarting the holding relay status, output holding time, timing flip.
ZHC492S can realize long-distance data transmission of one to one, one to many and many to many.
Customers do not need to develop the server, but configure the cloud networking function of the device.
| | ZHC492S |
| RS485 Modbus | √ |
| RS485 Automatic Acquisition | √ |
| Virtual Serial Port | √ |
| Connfiguration Software | √ |
| Threshold Report | √ |
| 4 Channel Socket | √ |
| 8 Alarm Clocks | √ |
| Customize the Follow Logic of Ports | √ |
| JSON/Modbus RTU/TCP | √ |
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4G IOT Data Monitoring MQTT Modem For Greenhouse Agricultural Micro Green Growing System Images
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