Industrial Automation Solutions
Product Datasheet
13 May 2026
Industrial & Embedded Motherboard · Motherboard-Embedded-Peripheral
EMA8308
Manufactured byAvalue

The Avalue EMA8308 is a versatile Ethernet Analog I/O module designed for industrial automation systems. It offers 8 differential or 16 single-ended analog input channels and 2 analog output channels, facilitating precise analog signal acquisition and control. With support for Modbus TCP protocol, the EMA8308 ensures seamless integration into existing network infrastructures. Its robust design and reliable performance make it suitable for various industrial applications, including process control, monitoring, and data acquisition.
Key Features
- Over-voltage protection on analog input
- Over-load protection on analog output
- 24-bit accuracy
- 10 samples per second
- IP Re-Assignment
- UDP and MODBUS TCP protocol
- Peer to peer response time < 2ms
- Standalone control function : step sequence control instruction, device to device
- communication
- Software key function
Technical Specifications
Analog Input
| Input Channels | 16 channels unipolar single end or differential (EMA8308) |
|---|---|
| Resolution | 24-bit |
| Offset error | 2.5uV(typ), 5uV(max) |
| Offset error drift | 20nV / degree C |
| Input common mode rejection | 120dB |
| Input range | 0 ~ 5V(23-bit), 0 ~ 10V(24-bit), 0 ~ 20mA(23-bit), 4 ~ 20mA(22-bit) |
| ReOver-voltage protectionsolution | 20Vdc(max) |
Analong Output (option)
| Output points | 2-channels |
|---|---|
| Resolution | 16-bit |
| Output range | -10V ~ +10Vdc |
| Over load protection | 50mA(peak) |
Ethernet
| Specification | 10/100M auto switch x 2 port |
|---|
General
| Power requirement | 12Vdc ~ 24Vdc |
|---|---|
| Operation Temperature | 0 to +70 degree C |
| Dimension | 114.3(L)*135.8(W)*34(H) mm |
Ordering Information
| Ordering Information | ACC-AIO-ETH-01R |
|---|
Certifications
FCCCertified
CECertified
UKCACertified
RoHSCompliant