Home>>Gas>>Electronics Extender Board (2) Serial Ports (RS232 / RS485) (4) Analog Inputs (4-20ma / 1-5VDC) (1) RTD (Temperature Probe) (2) Form A / Form C Pulse Input (3) Digital Outputs (3) Digital Inputs OPTO 22 G4 Package Slots (1) Analog Output (4-20ma/1-5VDC) Category: Electronics Tag: Eagle