... 1,High accuracy. 2,Top conveyor, accurate positioning. 3,Variable speed adjustment. 4,GMP. Labeler The machine is equipped with PLC ... sensors not interfered by outer light source or ultrasonic wave. Variable speed adjustment for conveyor, bottle separator and top conveyor, no ... alarm. On-screen message board and instant help. ModelPLB-3220C Speed of top belt3~30 m/minSpeed of conveyor belt Speed3 ...