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WD240Data Terminal

Serial port
transmission

Digital
acquisition

Analog
acquisition

Standard
protocol

Wireless
transmission

4G cloud

WD240 Data Terminal

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.

Sample application Online consulting

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;

Application Scenarios

Wired serial port read and write IO

Wireless LORA read and write IO

LORA serial port data transparent transmission

Wireless 4G data to the cloud

Point-to-multipoint local networking

Specifications

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	363.81mm,133.81mm,153.81mm
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

Product Selection

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.

Wutong Bolian, help you open the road of industrial digitalization and intelligence

Sample Application