Application options, continued. Upgrade the built-in cascade control- ler to operate more pumps with a higher energy efficiency, using master/follower pump control. same speed and optimising staging speeds automatically during opera- tion. At the same time runtime of all pumps is balanced to distribute wear Relay & Analogue I/O option Upgrade to advanced performance and control using the additional Sensor Input Option (MCB114) in the motor winding and bearing temperatures and protects them from overheating according to customised stop and protects the motor from controlling a certified Ex proof...