Description
每组个数各为n/2个,通过外部接线的技术组合,使每组每次有一个继电器有输出,则其可带(n/2)×(n/2)个负载,这种技术可节省(n/2)×(n/2)-n个输出点。如图12所示:用6个(注:n=6)输出点可以驱动9(3×3)个负载,节省了3个输出点
Allen Bradley / Guardmaster Safety Relay, #440R-E23030
AB 440R-E23031 SER A SAFETY RELAY GUARDMASTER MINOTAUR
USED Allen Bradley MSR122E Guardmaster Safety Relay
Allen Bradley Guardmaster Safety Relay 440R-ZBR520AZ1