10 Automatic control wiring - Universal, Universal+ andRemote models without relay modulesInterfacing the pump with other devices is by means of two IP66 rated five pole M12connectors mounted on the front of the pump. M12 connectors with flying lead cables canbe purchased as an accessory from Watson-Marlow. The function of each of the leads islabelled.InputConnectionOutputConnectionInputconnectionOutputconnectionIt is the user’s responsibility to ensure the safe and reliable operation of the pump underremote and automatic control.Never apply mains power to the five pole M12 connectors. Apply thecorrect signals to the pins, as shown below. Limit signals to themaximum values shown. Do not apply voltage across other terminals.Permanent damage may result.All input and output terminals are separated from mains circuits byreinforced insulation. These terminals must only be connected toexternal circuits that are also separated from mains voltages byreinforced insulation as a minimum requirement.m-qdos-en-02 25