Monitoring Safety Input Signals; Displaying Safety Input Signals; Interpreting Safety Input Signal Display Status - YASKAWA Sigma-V Series User Manual

8.6

Monitoring Safety Input Signals

The status of safety input signals can be checked with the safety I/O signal monitor (Un015). The procedure
for displaying the status, the method of interpreting the display, and a display example are shown below.

8.6.1 Displaying Safety Input Signals

Use the following procedure to display the input signal.
Display after
Step
Operation
1
2
3
Input signal display sta-
4

8.6.2 Interpreting Safety Input Signal Display Status

The 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.
8 7 6 5 4 3 2 1
• 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.
Display LED Number
1
2
3
4
5
6
7
8
Note: Input signals use the following circuit configuration.
• OFF: Open
• ON: Short-circuited
Example
ON (short-circuited)
Keys
MODE/SET
MODE/SET
MODE/SET
tus
MODE/SET
Analog
Top: ON
Bottom: OFF
Number
Input Terminal Name
CN8-3, -4
CN8-5, -6
−
−
−
−
−
−
Press the MODE/SET Key to select the monitor display.
DATA/
Press the UP or DOWN Key to select Un015.
DATA/
The present status can be displayed on the 7-segment dis-
play on the panel operator by pressing the DATA/SHIFT
Key for approximately one second.
Refer to 8.6.2 Interpreting Safety Input Signal Display Sta-
DATA/
tus for how to read the display.
Press the DATA/SHIFT Key for approximately one second
to return to the display of step 2.
DATA/
Signal Name
/HWBB1
/HWBB2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved

8.6 Monitoring Safety Input Signals

Operation
8
8-9