The EL9400 power supply terminal is used to refresh the E-bus. Data is exchanged between the coupler and the EtherCAT Terminal over the E-bus. Each terminal draws a certain amount of current from the E-bus (see “current consumption E-bus” in the technical data). This current is fed into the E-bus by the relevant coupler’s power supply unit. In configurations with a large number of terminals it is possible to use the EL9400 in order to supply an extra 2 A to the E-bus.
Technical dataEL9400Technologypower supply terminalShort-circuit proof–Input voltage24 V DC (-15 %/+20 %)Input currenttyp. 70 mA + (E-bus/4)Output voltage5 V for E-bus supplyOutput current2 ACurrent consumption E-bus–Electrical isolation500 V (E-bus/field potential)Insulation voltage input/output–Power contactsmax. 24 V DC/max. 10 ADiagnostics in the process image–Special featuresfor new projects: please use EL9410Weightapprox. 65 gOperating/storage temperature0…+55 °C/-25…+85 °CRelative humidity95 %, no condensationVibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4Protect. class/installation pos.IP 20/variablePluggable wiringfor all ESxxxx terminalsApprovalsCE, UL, Ex
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