Shenzhen Qianhai Lensen Technology Co., Ltd
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433MHz Wireless Modbus RTU , Wireless Tank Level Monitor System 2km Remote Control Pump 2DO
This is a wireless pump control project.
On tank side, we use a wireless analog I/O module to collect the level sensor's 4-20mA signal
Control center, there is a pump nearby. We use a LS-RDIO0202. connect its I/O port with pump for pump ON-OFF control. Connects its RS485 port with HMI.Then you can monitor sensor level on HMI and remote control pump ON-OFF. Welcome to contact Sunny for more details.
Advantage of wireless solution
No wires to bury or maintain, no need to drill holes on wall
Reliable communication in all direction,any terrain, regardless of hills, walls, trees
Cost saving in installation and maintenance
Radio based, no need internet and monthly fee, full ownership of the system
Wireless RTU features
- Portable device, DIN-rail mounting for easy installation
- Isolated inputs
- LEDs for power supply, communication, input, output status
- Flexible networking, point to point or point to multipoints
- DIP to change different modes
- Different types of I/O, DI, DO, AI, AO are available
- I/O expandable
- Short delay time
- Support I/O reduction, field input, remote output
- Easy handing on RS485 network, support Modbus RTU protocol
- Support on-line upgrade. Can configure by customer in setting mode
| Frequency | 433MHz or 450MHz or 470MHz | |
| Power output | 100mW(600m),1000mW(3000m) | |
| Products | 2AI | |
| Input type | 4-20mA | |
| Output type | 4-20mA | |
| Resolution ratio | 24 bit | |
| Accuracy | ±0.02% | |
| Power supply | 9-36V DC usually use 24V DC | |
| Interface | RS-485 | |
| Channel No. | 16ch default, can program via DIP switch | |
| Antenna | Sucker antenna with 1.5m cable | |
| Working temperature | -35℃~+75℃ industrial | |
| Working humidity | 10%～90% relative humidity, no condensation | |
| Dimension | 2AI | 115×90×40(mm) |
| Fix way | Standard 3.5 inch industrial DIN guild rail | |
| Parameter | |
| Power output: | 1W (or 100mW version) |
| Power supply: | 9V-30V (usually choose 24V DC or 12V DC) |
| Control distance: | 3km (or 1km version) |
| Baud rate: | 1200bps |
| Receiving sensibility: | -123dBm@1200bps, -118dbm(9600bps) |
| Networking | |
| Networking: | Point to point and point to multipoint |
| Protocol: | Modbus RTU protocol |
| Port Description | |
| Input: | 2 active inputs (passive customize), isolated |
| Output: | 2 passive relay outputs, isolated contact max load AC250V/5A,DC30V/5A (active outputs 0-5V customize) |
| Communication port | RS485 (wireless RS485 customize) |
| Current | |
| Transmit current: | <600mA (or 100mA version) |
| Receiving current: | <50mA (or 20mA version) |
| General | |
| Frequency: | 433MHz, 400, 450, 470 or other band |
| Channel No: | 16 channels, can change via DIP switch |
| Physical Properties | |
| Dimension: | 115×90×40(mm) |
| Antenna Connector: | SMA,vehicle antenna with 1.5m cable |
| Temperature: | -35℃~+75℃( industrial) |
| Mounting method: | Standard 3.5 inch industrial guild rail |
