That is what I am trying to determine if it meets current standards as my company is about to buy a new machine just like it from the same OEM and the circuit is the same per their drawings in 2014.
In the attached document is the circuit safe that is the floor door switch and the hopper door switch as it's single channel on hardwire and the other channel is input to the plc to let the HMI know which switch is open.
The switches are Allen Bradley tongue switches red and safety rated but I...
