[Transmission Type]：Digital quantity
[Interface]：RS485
[I/O channel] :16-channel
[Weight]：256±5g
[Introduction]：This chapter is a quick start introduction to E831-RTU (8080T-485) series products. It is recommended that users read this chapter and follow the instructions once and they will have a systematic understanding of the module. Users can also choose chapters they are interested in to read asneeded. For specific details and instructions, please refer to the subsequent sections.
| Hardware parameter | Index |
| Size(H*W*D) | 105*75*30 mm |
| Weight | 256g±5g |
| Interface method | Crimping method, 1*12*5.08mm |
| Operating Voltage | DC8V~28V, 12V or 24V is recommended, over 28V may damage the device |
| Operating current | 12V@ 56mAstand-by current，12V@ 86mA operating current |
| Communication Interface | RS485：1200~115200bps |
| 8 digital inputs | Dry contact，DI acquisition frequency1KHz |
| 8 digital outputs | Open collector，DO contact capacity：30V/50mA |
| Baud rate | Baud rate range 1200~115200bps，factory default 9600 |
| Operating temperature | -20℃~+70℃ |
| storage temperature | -40℃~+85℃ |
| Operating humidity | 5%~95% |
| Storage humidity | 1%~95% |
| No. | Ports and other definitions | Function | Description |
1 | PE | Connect with the earth | Connect with the earth |
2 | GND | Crimped power input negative | Power supply reference ground |
3 | VCC | Crimped power input positive | Power input，DC 8V~28V， 12V/24V recommended |
4 | DO8 | Digital output channel 8 | NPN transistor open collector output channel 8 |
5 | DO7 | Digital output channel 7 | NPN transistor open collector output channel 7 |
6 | DO6 | Digital output channel 6 | NPN transistor open collector output channel 6 |
7 | DO5 | Digital output channel 5 | NPN transistor open collector output channel 5 |
8 | DO4 | Digital output channel 4 | NPN transistor open collector output channel 4 |
9 | DO3 | Digital output channel 3 | NPN transistor open collector output channel 3 |
10 | DO2 | Digital output channel 2 | NPN transistor open collector output channel 2 |
11 | DO1 | Digital output channel 1 | NPN transistor open collector output channel 1 |
12 | GND | Signal reference ground | Signal reference ground |
13 | RS485-G | RS485 Signal reference ground | RS485 Signal reference ground,can left unconnected |
14 | RS485-B | RS485 Interface B | RS485 interface B is connected to device B interface |
15 | RS485-A | RS485 InterfaceA | RS485 interface A is connected to device A interface |
16 | DI8 | Digital input channel 8 | Form dry contact with DIG |
17 | DI7 | Digital input channel 7 | Form dry contact with DIG |
18 | DI6 | Digital input channel 6 | Form dry contact with DIG |
19 | DI5 | Digital input channel 5 | Form dry contact with DIG |
20 | DI4 | Digital input channel 4 | Form dry contact with DIG |
21 | DI3 | Digital input channel 3 | Form dry contact with DIG |
22 | Digital input channel 2 | Form dry contact with DIG | Form dry contact with DIG |
23 | DI1 | Digital input channel 1 | Form dry contact with DIG |
24 | DIG | Digital input signal reference ground | Digital input signal reference ground, used with DI terminal |
LED light
DATA | Serial data indication | Two-color light, green indicates data reception, blue indicates data transmission |
I/O | I / O status indicator | Two-color light, any one input has a signal, green indicator is on, any one output has a signal, blue indicator is on, when there is both output and input, both lights on at the same time, the indicator is cyan. |
PWR | Power indicator | Red LED，Always on |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【Alibaba】：https://www.alibaba.com |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| 产品 型号 | Interface | Acquisition Type | TCP/IP | Ebyte Cloud | - | - | - | Size | Feature | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E831-RTU(8080T-485) | RS485 | Digital quantity | - | - | - | - | - | 105*75*30 | 16-channel IO controller | ||
| E831-RTU(4040R-485) | RS485 | Digital quantity | - | - | - | - | - | 105*75*30 | 8-channel IO controller |
