181937 ⎘
Program-control systems; Pc systems; Pc structure of the system Opto isolation, optical separation
Optocoupler-based control circuit and method thereof
#2Apparatus and methods to communicatively couple field devices to controllers in a process control system
#3Industrial process field device with low power optical isolator
#4Apparatus and methods to communicatively couple field devices to controllers in a process control system system
#5Modular Safety Switching Device System With Optical Link
#6Input/output module for an automation device
#7Interface for retrofitting a manually controlled machine for automatic control
#8Apparatus and methods to communicatively couple field devices to controllers in a process control system
#9Industrial control circuit using a single-chip microprocessor