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ebm-papst EC communication The best connections for a flexible ...

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Connecting the <strong>EC</strong> controller – example of a fan with MODBUS RTU compatibility<strong>The</strong> <strong>EC</strong> controller functions as a stand-alone control device <strong>for</strong> fan networks in combination with external sensors. Factory default applications ensureeasy commissioning – connecting a computer or other software-supported devices is not necessary. For programming new applications and <strong>for</strong>monitoring, an integrated keypad control with LCD display replaces the external input devices.1External sensorPressure sensor,temperature sensorRS485 MODBUS RTUor 0–10 VPower supply2<strong>EC</strong> controller1Example terminal assignment <strong>for</strong> fan2 Example terminal assignment – <strong>EC</strong> controllerKL11 2 3KL2KL3Relais 1Relais 2TempTemp+24 V+24 V0–10 V I0–10 V I0–10 V O0–10 V OGNDGNDGNDGNDRSBRSBTempTempRelais 1Relais 2GNDGND0–20 mA0–20 mAGNDGNDGNDGNDD1D2D3D4RSARSAGNDGNDL1N/L2PEKL3 KL2 PE KL1RSARSBGNDAin1 U+10VAin1 IDin1NOCOMNCPEL1L2L3Din2Din3GNDAin2 U+20VAin2 IAout19

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