Modbus Network Display


Automation Products Group, Inc. (APG) introduces the MND Modbus Network Display. This intuitive and flexible IP67 display can operate in sniffer or master mode to locally display volume, level, distance and/or pressure readings from any of the up to 10 sensors in a Modbus RTU network. Numerous user-selectable standard or custom units of measure are available. Readings are presented as a full 5-digit display with large 0.4 in. characters for at-a-glance readability.

“Due to their highly flexible nature, MND displays can be used in a variety of roles,” says Doug Moore, Inside Sales Manager. “For example, in master mode a battery powered MND can provide enough power to itself and to a single slave sensor to create a self-contained monitoring system. Or, it can be used to convert a calculated differential reading from two Modbus Pressure sensors into a 4-20 mA output. Finally, in sniffer mode, an MND can be added to a Tank Cloud Remote Monitoring System to provide local readings in addition to the online readings.” While it was intentionally created to work with APG’s Tank Cloud system, the MND is a Modbus RTU display, and can be used with any Modbus RTU network. It functions very well as a sniffer, providing multiple low-cost displays in convenient locations. It is often used with remote monitoring networks because of its low current draw, which is optimal for battery-powered installations.


  • can operate in sniffer or master mode
  • readings are presented as a full 5-digit display
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