New SINEAX U539 Signal conversion module Free Fast shipping FedEx and TAX

New SINEAX U539 Signal conversion module

RS232 to RS485 Module Serial Port Conversion module 232/485 interconversion

4-channel Photoelectric Isolation Module PLC Signal Conversion Board PNP Output

SINEAX U553 brand new Signal Transmitter SINEAX U553

Two-channel optocoupler isolation level voltage conversion board NPN output

SINEAX U553 brand new Signal Transmitter SINEAX U553