Professional IoT Solutions 02. 45 Back to Industry Back to Industry Terminal box probe 9270-P Connection Cable (accessory for Plug & Sense! Industry 4.0) 9540-P Accessories Ref. A B C D E F A IoT Solutions based on Plug & Sense! Platform 2.4 Industry SDI-12 4-20 mA RS-485 / Modbus RS-232 / Modbus Protocols available A B C D E F