The Alerton® FLG-MODBUS is a field-level gateway that resides on a BACnet MS/TP network and connects to Modbus over EIA-232 or EIA-485, translating Modbus data to BACnet AVs and BVs. The FLG-MODBUS appears to the BACnet system in the same manner as a BACtalk VLC, with a single BACnet device instance. FLG-MODBUS—Supports 100 analog and 100 binary values to integrate Modbus device data with a BACnet system.