PLM Series Operation Manual rev 1.1.39. Front Panel Interface39display, adjacent to the button. A full description of the various warning indications is given in section 9.10.2.In general, LEDs to the left of the display will indicate problems with the PLM or its inputs, while thoseto the right indicate problems with the power output channels. Note that the same LEDs also indicate themute status of inputs and outputs.PLM Inputs PLM Output ChannelsFigure 9.1.1a: Front panel LEDstatus indicators9.1.2 Pinging modules in the Lake Controller software from the PLMWhen a large system comprising multiple PLMs is in use, it may be desirable to positively identify a particu-lar Module in the Lake Controller software. To achieve this, it is possible to Ping (or ‘highlight’) a Module onthe PC directly from the PLM.The PLM should be in METER mode for this function to operate.Press the soft button adjacent to the chosen Module’s input display, and the corresponding Module labelon the Lake Controller software will highlight in yellow text. If the Module is not yet placed within the workarea, then the Module scroll bar will place the highlighted Module mid-screen.9.2 Key Lock Front PanelIt is possible to “lock out” the PLM’s front panel buttons for security purposes. Whenthis function is active, all control must be made via the control network. The lock is setby pressing and holding the top left-hand soft button and then simultaneously pressingthe bottom left-hand button while holding the top button.Unlocking can be achieved byrepeating this process.Figure 9.2: Frontpanel lock activationPRESSandHOLDPRESS
