Monitoring Safety Input Signals; Interpreting Safety Input Signal Display Status; Safety Input Signal Display Example - YASKAWA SGMJV User Manual

8.5

Monitoring Safety Input Signals

The status of safety input signals can be checked with the safety I/O signal monitor (Un015). How to read the
displayed safety input signal status and a display example are shown below.

8.5.1 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 OFF (open) status, the top segment (LED) is lit.
• When the safety input signal is ON (short-circuited) status, the bottom segment (LED) is lit.
Display LED Number
1
2
3
4
5
6
7
8

8.5.2 Safety Input Signal Display Example

A display example of safety input signal status is shown below.
• When /HWBB1 signal turns OFF to activate the HWBB function.
8 7 6 5 4 3 2 1
Top: OFF (H level)
Bottom: ON (L level)
Number
Input Terminal Name
CN8-3, -4
CN8-5, -6
−
−
−
−
−
−
The top segment of
the number 1 is lit.
8.5 Monitoring Safety Input Signals
Signal Name
(Factory Setting)
/HWBB1
/HWBB2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
8
8-7