Siemens 7MJ2000-1A 00 Series Operating Instructions Manual

Also see for SITRANS DA400: Operating instructions Operating instructions Operating instructions

Operation6.3 Measuring menuSITRANS DA400 for oscillating positive displacement pumpsOperating Instructions, 09/2008, A5E00841120-03 456.3.4.3 Test modeIntroductionTest mode is used to check whether:● The acoustic emission sensor is assigned to the correct acoustic channel.● The acoustic emission sensor is functioning.In test mode, the acoustic emission sensor is sensitive to both temporary knocking noise aswell as permanent flow-generated noise. The maximum sound pressure level measured issaved and displayed.ConditionThe measurement channel must be in test mode. The measurement channel is in test modeif the parameter P.1 to P.4 associated with the measurement channel is set to "tESt".Elements of the digital display in test mode35.0 Generated measured value in dB; flashes if main alarm received1/So1 Set measured channel 1tESt Notification that the test mode is activated.Figure 6-7 Digital display test mode, acoustic channelProcedureThe measurement channel is tested as follows:1. Setting parameters for test modePress the button for 5 seconds. "MEnu" and "PARAM" are shown in the middlesection of the digital display to the left and right respectively. "MEnu" flashes.2. Use the and buttons to select the parameters for the measurement channel to besimulated. For measurement channel "1/So1", this is "P. 1" (SoCH1) for example.3. Use the and buttons to set the parameter value "tESt". "tESt" is shown to the left inthe middle section of the digital display. The digital display appears as follows:Middle section: tESt SoCH1Lower section: PAR P. 1Test mode is set.4. Briefly press the button. This returns you to the measuring menu.