[Type d'acquisition]:Numérique
[Type d'interface]: RS485
[Nombre de canaux d'acquisition]:8 canaux
[Poids net du produit]: 279±5g
[Introduction]:Ce chapitre est une introduction rapide aux produits de la série E831-RTU (4040R-485). Il est recommandé aux utilisateurs de lire ce chapitre et de suivre les instructions une fois et ils auront une compréhension systématique du module. Les utilisateurs peuvent également choisir les chapitres qui les intéressent à lire au besoin. Pour des détails et des instructions spécifiques, veuillez vous reporter aux sections suivantes.
| 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 | RS485-G | RS485 signal reference ground | RS485 signal reference ground, it is recommended to connect |
| 5 | RS485-A | RS485 interface A | RS485 interface A is connected to device A interface |
| 6 | RS485-B | RS485 interface B | RS485 interface B is connected to device B interface |
| 7 | DI4 | Digital input channel 4 | Form dry contact with DIG |
| 8 | DI3 | Digital input channel 3 | Form dry contact with DIG |
| 9 | DIG | Digital input signal reference ground | Digital input signal reference ground, used with DI terminal |
| 10 | DI2 | Digital input channel 2 | Form dry contact with DIG |
| 11 | DI1 | Digital input channel 1 | Form dry contact with DIG |
| 12 | DIG | Digital input signal reference ground | Digital input signal reference ground, used with DI terminal |
| 13 | NO1 | Relay 1 normally open pin | Used with relay 1 common terminal |
| 14 | COM1 | Relay 1 common terminal | Used with relay 1 normally open pin / normally closed pin |
| 15 | NC1 | Relay 1 normally closed pin | Used with relay 1 common terminal |
| 16 | NO2 | Relay 2 normally open pin | Used with relay 2 common terminal |
| 17 | COM2 | Relay 2 common terminal | Used with relay 2 normally open pin / normally closed pin |
| 18 | NC2 | Relay 2 normally closed pin | Used with relay 2 common terminal |
| 19 | NO3 | Relay 3 normally open pin | Used with relay 3 common terminal |
| 20 | COM3 | Relay 3 common terminal | Used with relay 3 normally open pin / normally closed pin |
| 21 | NC3 | Relay 3 normally closed pin | Used with relay 3 common terminal |
| 22 | NO4 | Relay 4 normally open pin | Used with relay 4 common terminal |
| 23 | COM4 | Relay 4 common terminal | Used with relay 4 normally open pin / normally closed pin |
| 24 | NC4 | Relay 4 normally closed pin | Used with relay 4 common 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 are on at the same time, the indicator is cyan. |
| PWR | Power indicator | Red LED,Always on |