KEY FEATURES AND BENEFITS â?¢ From the Vibro-Meter product line VM600 CPUM/IOCN rack controller and communications interface card pair with support for Modbus RTU/TCP and PROFINET, and a front-panel display One-Shot configuration management of protection cards (MPC4 and AMC8) in a VM600 rack using an Ethernet or RS-232 serial connection to a computer running the VM600 MPSx softwar Front-panel display for visualisation of monitored outputs and alarm limits from protection cards Front-panel alarm reset (AR) button VM600 MPS rack (CPUM) security Industry standard fieldbus communications interfaces: Modbus RTU/TCP and PROFINET Two Ethernet connections and up to three serial connections (RS-232 / RS-422 / RS-485) can run simultaneously