Section 3: Electrical installation

Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual

May 2012

3-9000-771 Rev A

 

 

3.5.1CPU Module labeling and LED indicators

The meter’s metrology mode and the status of the data transfer from the Acquisition Module to the CPU Module is indicated via light-emitting diode (LED) status indicators. The Write PROT. switch prevents overwriting the meter’s configuration,

Figure 3-3 CPU Module labeling and LED indicatorsG. F. C. D. E. B. A.A. Acquisition/Measurement modeB.PowerC.RX (RS-485/RS-232) - receiving dataD.LED 4 - not usedE.LED 5 - not usedF.TX (RS-485/RS-232) - transmitting dataG.Link (Eth1 Link) - user Ethernet connection

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CPU Module labeling and LED indicators