8.4 Monitoring Input Signals8-58 Monitor Displays (Un)8.4 Monitoring Input SignalsThe status of input signals can be checked with the input signal monitor (Un005). The procedure for display-ing the status, the method of interpreting the display, and a display example are shown below.8.4.1 Displaying Input Signal StatusUse the following steps to display the input signal status.8.4.2 Interpreting 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 input signal is in OFF status, the top segment (LED) is lit.• When the input signal is in ON status, the bottom segment (LED) is lit.Note: Input signals use the following circuit configuration.• OFF: Open• ON: Short-circuitedExampleStep Display after Operation Keys Operation1 Press the MODE/SET Key to select the monitor display.2 Press the UP or DOWN Key to select Un005.3Input signal display statusThe 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 8.4.2 Inter-preting Input Signal Display Status.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 LEDNumber Input Terminal Name Signal Name(Factory Setting)1 CN1-40 /S-ON2 CN1-41 /P-CON3 CN1-42 P-OT4 CN1-43 N-OT5 CN1-44 /ALM-RST6 CN1-45 /P-CL7 CN1-46 /N-CL8 CN1-4 SEN4 3 2 1Top: OFFBottom: ONNumber67 58AnalogOFF (open)
