Note: SY AD 02C can support RS232 and RS485 communication port, user can choose the communication port according the application environment. But at the same time, only one communication port can work, or will have interference.
E. G.:
1. SY AD 02C A4 Means 4-20ma signal output, and support one channel DS18B20 temperature signal input
2. SY AD 02C A7 Means 0-5V signal output, and support one channel DS18B20 temperature signal input
3. SY AD 02C U1 Means 0-± 5V signal output, and support one channel DS18B20 temperature signal input