Ifm electronic presents AS-i controllers, gateways, masters and repeaters are elementary components of AS-i networks. These components are most of the time placed in the control cabinet and ensure data communication, extension and power supply of the connected slaves, sensors and actuators. The task of filters is to keep dirt particles from swimming pool water and, consequently, to increase the water quality. They require regular backflushing to ensure their function.
The controller must carry out the filter backflush processes independently and fully automatically - to relieve the staff and the higher-level control system. AS-i is used for wiring and as the control system. With its Profibus DP interface, the AS-i controllerE AC1305 operates as a slave in the central controller. The pneumatic quarter-turn actuators used are equipped with sensors of the T5 series for actuator feedback (order no. AC2316) to pick-up and control the end position signals. The simple wiring and set-up of AS-i systems and field modules provides economic advantages as regards labour costs and material costs.