● Modular design for flexible expansion
● 8-channel passive dry contact switch quantityacquisition
● One main LORA optional embedded module can wirelessly collect data from 32 slave LORA instruments
● Can expand 14G all-network wireless module, providing 4G upload and 4G wireless routing functions
● Can expand 3RS-485 serial port modules, each providing 4 RS485 serial interfaces
● Can expand 1 USB wireless network card, supports access to WIFl wireless networks
● Supports operation for more than 5 seconds after power loss and supports power failure alarms for maintenance protocols
● All expansion modules can be purchased separately, making on-site environment modification and business scaling more convenient
