It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. It is used to adjust and isolate all kinds of signals of field instrument, and convert them into computer, DCS, PLC and other acceptable standard signals or special signals specified by users. A device, such as a relay, used to electrically separate a telekinetic device from a operating device. Used for adjusting and isolating all kinds of signals of field instrument