High-Speed Counter Board, 4x Pulse Input Ports, 50/500Khz Single Phase or 25/250Khz Quadrature, 4x Transistor Outputs 1mS Operation, upto 2 per CPU
Omron CQM1H-CTB41 High-Speed Counter Board, 4x Pulse Input Ports, 50/500Khz Single Phase or 25/250Khz Quadrature, 4x Transistor Outputs 1mS Operation, upto 2 per CPU