... back to zero yards counter, Sec Smith flow meter and a mechanical valve. Will feed into the machinery preferences, the ... . Pressure signal input: Two-wire DC24V, 4 ~ 20mA 7, Communication functions: support RS485, HART, MODBUS, OMROM / PLC, Modem, Profibus and ... 1 /2" NPT 12, Relay control voltage: DC36V, DC24V, DC12V 13, Electrostatic oil spill folder Input: Switch Signal, contact capacity of 1A, DC ...