Fluid Control Systems Selected product range

308Pressure Transmitter (2-wire) / Switchfor continuous or ON/OFF Control• Indication, Monitoring, Transmitting andOn/Off Control in one deviceSensors 8311Type 8311 can be combined with...Type 2702 (8630)Control valve withTopControlType 8644-P AirLINEValve islandwith electronic I/OThis intelligent transmitter/switch with an extra-largedisplay is specially designed to switch a valve and toestablish a monitoring system or an ON/OFF controlloop.The switching points can be programmed with thethree keys or optionally from an external PLC over a4-20 mA loop.In addition, the process value can be transmitted to thePLC (4-20 mA).The connection to the process in the piping is donewith standard fittings.• Output signal 4... 20 mA, 2-wire forcontinuous control• Transistor or relay outputs for On/Off controlor alarm functionType 8624-2PI controllerTechnical dataType 6212Solenoid valvePLCPipe diameter Any pipe with sensor connection NPT 1/2”Measuring rangeTypical accuracyTransmitter 2-wire versionSwitch versionTypical repeatabilityTransmitter 2-wireSwitch versionElectrical connection0 up to 2, 5, 10, 20 or 50 bar(0 up to 29, 73, 145, 290 or 725psi)±1% o.F.S.* (for 0 °C < T < 70 °C) and±1% + ±0.03% o.F.S.* / °C (for -20 °C < T < 0 °C andfor 70 °C < T < 100 °C)±1.5% o.F.S.*0.06%0.25%Cable plug DIN EN 175301-803, Multipin M12-5pinVoltage supply cable Length: max. 50m shielded; cross section: max. 0.5 mm 2Protection classFluid temperatureAmbient operating temperatureSensor element Ceramic cell (Al 2O 3)Service life of pressure cellMaterialsHousingFront panel folioWetted partsVoltage supply (V+)Reversed polarity of DCOvervoltage protectionOutputTransmitter 2-wireTransistor (programmable)Process valueSwitch versionTransistor (programmable)Optional relay (programmable)IP 65 with cable plug and M12 mounted and tightened-20 to +100 °C (+100 °C for an ambient temperature of max. 40 °C)-20 to +60 °C (+40 °C max. if the medium temperature near of +100 °C)Min. 100 million cyclesPCPolyesterStainless steel 316L (DIN1.4404); FKM, (EPDM in option)12-30 V DC - filtered and regulatedProtected (for power supply and all outputs)Yes, for power supply and for transistor outputs2 NPN and 2 PNP, open collector, 700 mA max.NPN: [(V+) minus 0.5 V DC] - 0 V DCPNP: 0.5 V DC - (V+)protected against short circuit4-20 mA,Loop resistance max.: 800 Ω at 30 V DC,50 Ω at 24 V DC, 300 Ω at 18 V DCNPN/PNP, open collector, 700 mA max.NPN: 0.2 - 30 V DC; PNP: (V+);protected against short circuit3A / 250 V AC or 3 A / 30 V DCCurrent consumptionTransmitter 2-wireSwitch version* o.F.S. = max. measuring range< 30 mA (+ 700 mA max. per transistor output used)max. 80 mA with load (Relay version)Subject to modifications