CWT-MB Modbus io module

 AI+AO           CWT-MB307B 8AI View CWT-MB307C 4AO View... 

CWT-BK Modbus io module

Model IO Port Communication Port Protocol Link CWT-BK-0404R-S 4DI+4DO (relay) RS485+RS232 Modbus... 

Wi-Fi/LoRa/4G Wireless Modbus io module

Model list Model   IO port LoRa Version Wi-Fi Version 4G Version CWT-L2... 

Temperature acquisition module