... ; 2.CE compliant motion control card; 3.servo/stepper control; 4.48 input points, 32 output points ... -856 Feature: 132-bit PCI bus, PnP; 2 Pulse output mode: pulse + direction, pulse + pulse; 3 ... Maximum pulse output frequency is 4MHz; 4 6-axis servo/stepper ... -2,147,483,648~+2,147,483,647; 9 48-channel optical coupling isolation digital input, 32-channel digital output ...