Abstract: A monitoring and control system is provided for a container filling line having an in-feed conveyor for conveying empty containers, a multiple-valve rotary fill station supplied by the in-feed conveyor for filling the containers, a multi-head closer station for closing the then-filled containers, a discharge station for discharging the filled and closed containers to a take-away conveyor, the take-away conveyor not being cynchronized with the in-feed conveyor, the operation of the filler station and the operation of the closer station, the monitoring and control system including means at the discharge station for generating a first signal responsive to each container passing the discharge station, a detection station provided at a location on the take-away conveyor spaced from the discharge station for detecting one or more characteristics of a container passing thereby, means at the detection station for generating a second signal responsive to each container passing the detection station, means for generati