Place of Origin: | Sichuan China; | Baud rae: | 9600; |
Single package size: | 12.5X11X3 cm; | Isolation protection: | 4000vDC; |
Size: | 105 * 79 *25mm; | Communication address: | 1-250; |
Brand Name: | Ebyte; | Feature: | 4-20 mA to 433mhz analog Data Acquisition; |
Tx power: | 30dBm; | Model Number: | E820-DTU(2I2-433L); |
Color: | Black; | Weight: | 150g; |
Package Type: | standard packing for 4-20 mA Wireless transmitter to 433mhz radio RTU analog data Acquisition device; | Selling Units: | Single item; |
Supply voltage: | 8V ~ 28V; | Current: | 0-20mA; |
Single gross weight: | 0.18 KG; |
Ebyte DAQ data acquisition system data acquisition unit wireless pressure data acquisition daq
[Collection] : Switching quantity/digital quantity
[Interface] : RS485
[I/O channel] : 2-channel
[Size] : 124*105*25mm
[Feature] : E820-DTU(2I2-433L) is a remote controlling device supporting analog quantity following, controlling and collecting. Under controlling and collecting mode, it supports Modbus RTU protocol. This product features easy-to use, it can be integrated into user systems so as to realize remote wireless controlling via 433MHz band.
Hardware Parameter | Index |
Size (H*W*D) | 124*105*25 mm |
Weight | 138±2 g |
Operation temperature | -20℃ -+70℃ |
Storage temperature | -40℃ -+85℃ |
Operation humidity | 5% ~ 95% |
Storage humidity | 1% ~ 95% |
Operation voltage | 8V ~ 28V |
Current collecting range | 0mA ~ 20mA |
Current output range | 0mA ~ 20mA |
Precision | 0.2% |
Data interface | RS485:9600bps |
Pin No. | Pin Item | Function | Description |
1 | AI1+ | Analog signal input channel 1 positive | Analog signal input pin, forms input with AI1- |
2 | AI1- | Analog signal input channel 1 negative | Pair with AI1+ |
3 | AI2+ | Analog signal input channel 2 positive | Analog signal input pin, forms input with AI1- |
4 | AI2- | Analog signal input channel 2 negative | Pair with AI2- |
5 | RESET | Reset button | Reset device address by long-pressing 5s |
6 | 485_A | RS_485 A | RS_485 A connects with device A connector |
7 | 485_B | RS_485 B | RS_485 B connects with device B connector |
8 | GND | Wire pressing power input negative | Power GND |
9 | VCC | Wire pressing power input positive | Power input end, DC 8V~28V, 12V/24V recommended |
10 | PWR/ACK | Power/reset successful indicator | Dual-color indicator, blue represents power, green represents reset successful. |
11 | A1 | RF data TX/RX indicator | Dual-color indicator, blue represents data TX, green represents data RX (channel 1) |
12 | A2 | RF data TX/RX indicator | Dual-color indicator, blue represents data TX, green represents data RX (channel 2) |
13 | ANT | Antenna connector | 433MHz antenna |
14 | DIP switch | Mode selection | M1M0(00, 01, 10, 11) |
15 | AO2- | Analog signal output channel 2 negative | Pair with AO- |
16 | AO2+ | Analog signal output channel 2 positive | Analog signal output pin, forms output with AO2- |
17 | AO1- | Analog signal output channel 1 negative | Pair with AO+ |
18 | AO1+ | Analog signal output channel 1 positive | Analog signal output pin, forms output with AO1- |
1. Delivery will be arranged by DHL/UPS/Fedex/TNT/EMS,normally it will take 3-7 working days to arrive in most countries.
2.We can also help you ship the goods by air line,then you need to go to Air port totake it ,it takes about 2-7 days to arrive ;
3.If goods are large quantity and you not need the goods so urgently ,you can choose by sea to save some freight cost which takes about one month to arrive.
4.We can accept the payment method such as Paypal/Credit card/ L/C and T/T
Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer.
Q2: Can you do ODM or OEM for us?
A2: We are glad to offer custom service for you, we have an experienced engineers team who will provide you with a complete solution according to your requirements.
Q3.Whether the product can be customized logo?
A3.For bulk orders, we support custom logo.
Q4: What about the delivery time?
A4: For regular order it takes about 3-6 days for production, for mass order or customized order it may need 15-30 days.
Q5: What is your delivery terms and payment terms?
A5: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you. 100% in advance for sample order, 50% deposit and 50% balance for mass order.
Q6: After service and warranty?
A6: We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person.
Q7. How can we know the product quality?
A7: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page.
Q8. How can we get samples from you ?
A8.Samples are available. Normally we take 2 days to arrange samples. If we have no business record with you before, we need to charge boot samples cost and post courier freight.
Q9.Can your module be connected with Arduino board? Can you provide Sample code?
A9: We don’t know the model of your Arduino, so we don’t sure if our module can be connected with it. Please be sure of the power supply when you connect your Arduino board with our module, 3.3V is ok. But for 5V, you need to add 4-10k pull-up resistor for the TXD&AUX pin. Sorry we don’t have the sample code to offer.
Q10.Can your module be connected with Raspberry Pi?
A10: Yes, our module can be connected with Raspberry Pi.