IoTize TapNPass Nomad NFC-BLE Adapter for Modbus® is a wireless adapter for local connection of mobile devices to electronic systems via RS-232, RS-485, or USB Fieldbus. It supports the Modbus protocol and speeds on-site maintenance by providing portable NFC and Bluetooth wireless interfaces. The adapter is used for connecting mobile devices to target systems with serial Fieldbus or Modbus interface. All TapNPass products are easily configured to control access by different types of users who conduct or supervise servicing of target systems. TapNPass facilitates the rapid creation of user interfaces that run on Android, iOS, and Windows-based mobile devices.