www.dadehpardazan.ir 88594014-158.8 Monitoring Safety Input Signals8-118 Monitor Displays (Un)8.8 Monitoring Safety Input SignalsThe status of safety input signals can be checked with the safety I/O signal monitor (Un015). The procedurefor displaying the status, the method of interpreting the display, and a display example are shown below.8.8.1 Displaying Safety Input SignalsUse the following procedure to display the input signal.8.8.2 Interpreting Safety Input Signal Display StatusThe status of allocated signals is displayed on the 7-segment display on the panel operator.Input terminals correspond to LED numbers as shown in the following table.• When the safety input signal is in ON status, the top segment (LED) is lit.• When the safety input signal is in OFF status, the bottom segment (LED) is lit.Note: Input signals use the following circuit configuration.• OFF: Open• ON: Short-circuitedExampleStep Display after Opera-tion Keys Operation1 Press the MODE/SET Key to select the monitor display.2 Press the UP or DOWN Key to select Un015.3Input signal display sta-tusThe present status can be displayed on the 7-segment dis-play on the panel operator by pressing the DATA/SHIFTKey for approximately one second.Refer to 8.8.2 Interpreting Safety Input Signal Display Sta-tus for how to read the display.4 Press the DATA/SHIFT Key for approximately one secondto return to the display of step 2.MODE/SET DATA/MODE/SET DATA /MODE/SET DATA /MODE/SET DATA /Display LED Number Input Terminal Name Signal Name1 CN8-3, -4 /HWBB12 CN8-5, -6 /HWBB23 Reserved4 Reserved5 Reserved6 Reserved7 Reserved8 Reserved4 3 2 167 58Top: ONBottom: OFFNumberAnalogON (short-circuited)
