540U, Module USB (Modbus RTU) with 32 open collector outputs (60 Vdc) Expandable I/O up to 246. Includes a 6 ´USB cable type A to SeaLATCH USB type B (CA356). Each open-collector output circuit includes a flyback diode for protection when interfacing highly inductive loads, such as DC motors. byJuly 5, 2026
