[Acquisition type:]: digital/analog
[Interface type:]: RS485/Ethernet
[Number of acquisition channels:]: 12 channels
[Network Type:]: Ethernet
[Product weight]:457.5±5g
[Introduction]:E851-RTU(4440-ETH) is a network IO product that supports 4-channel digital input (default dry contact), 4-channel differential analog input, and 4-channel relay output. Support Modbus TCP/RTU protocol .The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. The product has a high degree of ease of use, and users can easily and quickly integrate into their own systems to achieve Ethernet-based remote control.
| Modem | Distancekm | Antenna | Operating VoltageV | Communication Interface | Product weightg | Installation method | Features | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|
| E821-RTU(0400-ETH) | - | - | - | RS485/Ethernet | 230.8±5 | - | 4-channel analog high-precision acquisition | ||
| E851-RTU(4440-ETH) | - | - | DC 8~28 | RS485/Ethernet | 457.5±5 | - | 12-channel network IO control acquisition | ||
| E821-DTU(2I2-400SL) | - | - | - | RS485 | 245±5 | - | 4-channel analog high-precision acquisition | ||
| E831-RTU(6060-4G) | - | - | DC 8~28 | RS485 | 485.4±5 | - | 12-channel network IO controller | ||
| E820-DTU(2I2-433L)-V8 | - | - | DC 10 ~ 28 | RS485 | 242±5 | Screwing | 4~20mA, 2 channels, Modbus |

[Acquisition Type]: Digital
[Interface type]: RS485
[Number of acquisition channels]:16 channels
[Product weight]: 256±5g

[Acquisition Type]: Digital
[Interface type]: RS485
[Number of acquisition channels]: 8 channels
[Product weight]: 279±5g

[Acquisition Type]:Digital
[Interface type]: RS485/Ethernet
[Number of acquisition channels]:12 channels
[Network Type]: Ethernet
[Product weight]:485.4±5g

[Acquisition type]:switch/analog
[Interface type]: RS485
[Number of acquisition channels]: 12 channels
[Network Type]: 4G
[Product weight]:485.4±5g