Provide a code for the Explanation: a layout for separating objects differing in height. The whole system is turned on via a switch RS$,$when the conveyors M$0,$MA$,$and MB start to operate. At the same time, the contents of the counters and timers that are possibly utilized are reset. The photocell PC$2$detects the objects B that should be led to the conveyor belt B $($MB$).$To do this, the cylinder CB has to be extended while the cylinder CC is inside. The photocell PC$1$detects objects A$,$but it is also triggered by objects B$,$which will be handled by the logic programming. The objects A are driven on the conveyor belt A $($MA$)$with the cylinders CC and CB to be both in retracted status. The combination of the Cc and CB cylinders is attached to the movable part of the conveyor M$0,$which can occupy one of the three positions: A$,$B$,$and C$.$When $1000$objects are counted, whether they are A or B$,$the next objects are guided to position C with the Cc and CB cylinder pistons both in extraction status, while both the conveyor belts MA and MB stop. This continues until a reset in the operation of the layout is performed by the switch RS$,$whereby the conveyor belt M$0$also stops. Furthermore, it is desired that, if for any reason, it does not reach an object A or B $($in front of photocells$)$for a time interval of $10$min$,$ a light indicator $($h$)$is activated. The cylinders Cc and CB are of double action at this point, and the automation will not deal with the logic of the pneumatic circuit. Thus, it will simply be considered that when, for example, the CB relay is activated then the corresponding cylinder is extracted, the CB is deactivated, and the cylinder is retracted.