| |
UART TO ETH |
RS485 TO ETH |
RS232/485 TO ETH |
2-CH UART TO ETH |
| microcontroller |
Cortex-M0 |
Cortex-M0 |
Cortex-M4 ((Main frequency up to 120MHz)) |
CH9121 |
| Ethernet |
10/100Mbps auto-negotiation RJ45 connector |
| Protocol: IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTP Client |
TCP/UDP |
TX cache: 6Kbyte; RX cache: 4Kbyte |
TX cache: 16Kbyte; RX cache: 16Kbyte |
– |
| Serial port |
UART |
RS485 |
RS232 and RS485 |
UART |
| Baudrate: 600bps~460.8Kbps |
Baudrate: 600bps~230.4Kbps |
Baudrate: 300~921.6Kbps |
| Hardware flow control: none |
Hardware flow control: supported |
Hardware flow control: none |
| Data bit: 5bit, 6bit, 7bit, 8bit |
| Stop bit: 1, 2 |
| Parity bit: None, Odd, Even, Mark, Space |
| RX cache: 800byte |
TX cache: 2Kbyte; 2 cache: 16Kbyte |
– |
| Framing mechanism: 4-byte packing time, 400 byte length |
Framing mechanism: 4-byte packing time, 1600 byte length, configurable |
– |
| Featured Function |
Customized heartbeat packets, customized registration packets, customized webpage, RFC2217-like protocol, KeepAlive mechanism, time-out reboot, short connection, firmware is upgradable via the network |
KeepAlive mechanism, firmware is upgradable via the network |
| – |
Modbus Gateway, Websocket (Web to serial) |
– |
| working modes |
TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client |
TCP Server, TCP Client, UDP Server, UDP Client |
| Supported Clients |
For TCP Server, customisable of 1~16 connected Clients |
For TCP Server, supports 2-ch Socket, up to 8 Clients per channel |
For TCP Server, customisable of 1~8 connected Clients |
| Configuration |
webpage, host software, serial commands |
host software, serial commands |
| Isolation Protection |
Power: reverse-proof, ESD protection, anti-surge |
| Ethernet: 1.5KV electromagnetic isolation |
| – |
2KV ESD protection, 2.2KΩ pull up/down registers |
– |
| – |
lightningproof, over-current protection |
– |
| Power Supply |
3.3V/5V |
5~7V |
5~36V |
3.3V/5V |
| Operating current |
150mA@5V |
110mA@5V |
86.5mA@5V |
140mA@5V |
| Operating temperature |
-25~75℃ |
-40~85℃ |
| Storage temperature |
-40~105℃ |
-55℃~125℃ |
| Dimensions |
50.5 × 22.6 × 15mm |
70 × 63.6 × 25mm |
82.8 × 85.7 × 25mm |
53 × 22mm |