Baumer PF55S Operation Manual

Pin (M12) Assignment1 Power supply2 Output 13 Output 2 (optional)4 4 - 20 mA maximum load:500 Ω output (optional)5 Power supply outputsPIN 5 must be used to establish the grounding connectionPersonnel: n Qualified electricianProtective equipment: n Protective work clothingn Safety bootsDANGER!Risk of injury when entering the operating space ofthe super-ordinate machine and its moving partsCAUTION!Risk of injury due to improper assembly and instal-lationWARNING!Risk of personal injury or property damage dueelectric currentEnsure the following before electrical connection:n The mains voltage is within the permissible limits of the flowsensor (see technical data or type plate).n The power supply is fitted with overload protection.n Only approved cables with fire protection properties are usedfor the connections.n All long or hanging cables are secured with an approvedmounting system.n All electrical connections are clean.1. Ensure the higher-level machine is securely switched off withthe power disconnected.Disconnect the higher-level machine from the mains if neces-sary and ensure it cannot be switched back on unintention-ally.Assembly and installationElectrical connection05.03.2020 Flow sensor PF55S 39