LORA/4G,multi-channel AI, AO, DI, DO data acquisition
HW parameters: 1 channel 232/485 serial port, 8AI-4DI-4DO and other multi-channel IO
Networking function: CAT1 4G, high power LORA (433MHZ, 915MHZ)
Acquisition function: support acquisition of analog quantity, digital quantity acquisition, support fast pulse counting
Local transparent transmission: realize wireless data transparent transmission within 12KM through LORA
Cloud access: realize remote wireless data monitoring with cloud platform through 4G
Application scenarios: factories, mines, oil fields, water conservancy, agriculture, ports, etc.
Rich IO acquisition interface
Supports four channels of 12-bit high precision analog input (8AI, 4DI, 4DO or 4AI, 8DI, 4DO or 4AI, 4DI, 4DO, 4DO or 2AO, 6AI, 4DI, 4DO, 4DO and other configurations)
Support 4 ways of dry and wet connection type, optional 0~60V digital input, support counter function;
Support 4 3A relay output, and support 0~30V DC and 0~250V AC signal access;
With multiplexing circuit, can be equipped into 4AI/4DI/4DO/2AO-2AI, appropriate AI/DI/DO can be up to 8 channels;
Wireless LORA transmission function
Built-in high-power, long-distance LORA transmission chip, the transmit power can reach 30dbm, and the maximum support 12KM distance transmission; support 410~493MHz and 850~930MHz optional frequency bands, available at home and abroad;
flexibly configure LORA channels, Parameters such as power and air rate; support the setting of maximum frame length and timeout time, suitable for various data packets and corresponding speed scenarios
Standard Modbus RTU protocol
Support standard Modbus RTU protocol for local IO control and data acquisition
Wireless 4G data to the cloud
Support uploading serial port and IO data to various cloud platforms and systems through MQTT protocol through 4G network
Wireless transparent transmission
Support wireless transparent transmission of 232 or 485 serial ports, support point-to-point, point-to-multipoint data transparent transmission, support interference-free data transparent transmission of coexistence of different systems
High reliability industrial grade design
1）6~35V wide voltage design, -40~+85℃ wide temperature design;
2）Isolated RS232 or RS485 design, 15KV ESD protection;
3）Adopt optocoupler isolated digital input, precise reference voltage and high reliability relay design;
| Hardware Specifications | ||
|---|---|---|
| Hardware Platform | CPU cores | 32-bit Arm Cortex-M4 |
| Interface Features | Power Interface | DC 9V-35V (terminal) |
| Serial interface | 1 serial port (RS232/RS485), 15KV ESD protection, 9600~115200bps, default 19200 | |
| Analog Input |
4/8 AIs with 12-bit acquisition accuracy (current and voltage optional) Current type 4~20mA, 0~20mA Voltage: 0~5V, 0~10V, etc. |
|
| Digital Input | 4/8-way optocoupler isolation 0~60V, support dry and wet node access (default dry contact, support 4-way counter) | |
| Digital output | 4-way 3A relay output 250V AC, 30V DC DC (expandable 4-way transistor DO) | |
| Antenna Connector | LORA Antenna: SMA x 1 4G Antenna: SMA x 1 | |
| Terminals | 3*6*3.81mm,1*3*3.81mm,1*5*3.81mm | |
| 4G (optional) | network format | LTE Cat1 , maximum downlink rate 10Mbps, maximum uplink rate 5Mbps |
| LORA (optional) | Operating frequency band | 410~493MHz or 850~930MHz optional |
| Receive Sensitivity | 150dBm | |
| Transmit Power | 30dBm | |
| Communication distance | Maximum 12KM (recommended indoor 2KM, outdoor 8KM) | |
| Air Rate | 0.48K~62.5Kbps (up to 300K) | |
| Emission Current | 650mA | |
| LORA Channel | 50 channels, configurable | |
|
Machinery Features |
Dimensions | 136x106.5x35mm |
| Installation method | Rails | |
| Shell | Metal shell (local gold) | |
| Protection class | IP30 | |
| Cooling method | Fanless cooling | |
| Weight | 280g | |
| Hardware selection | |
|---|---|
| Order number |
WD240- |
| N (Uplink Network) | L (with LORA module)/G (with 4G module)/W (with WIFI module, in development*) |
| I (I O module) | M0844 (M means module, 0 means 0 AO, 8 means 8 AI (4AI+4 multiplexed AI), 4 means 4 DI, 4 means 4 RO) |
| S (serial port type) | -232: RS232 serial port; -485: RS485 serial port |
| Example |
WD240-LM0844-485 (8AI-4DI-4DO, domestic frequency band: 410~493MHz, 485 serial port) WD240-LM0484-232 (4DI-4AI-4DI-4RO, domestic frequency band: 410~493MHz, 232 serial ports) WD240-LM0448-485 (4DO-4AI-4DI-4RO, domestic frequency band: 410~493MHz, 485 serial port) WD240-LM2644-232 (2AO-6AI-4DI-4RO, domestic frequency band: 410~493MHz, 232 serial ports) WD290-LM0844-485 (8AI-4DI-4DO, overseas frequency band: 850~930MHz, 485 serial port) WD240-GM0844-485 (8AI-4DI-4DO, 4G CAT1, 485 serial port) etc. |
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