I want to make something for a scenario
"we have a machine in Factory that has status tree light (24v) coming from PLC.
For example if machine stops red light will be turned on if running green light.
It has 4 status light, so 4 of 24v input signals coming from PLCs.
I want to design something and put in the Electrical cabinet of the machine that can let me see those 4 status of machine in office which is almost 200 meters away.
Please guide, Thanks in advance