YASKAWA SGMPS - 8.5 Monitoring Safety Input Signals

8.5 Monitoring Safety Input Signals
8-7
8
Monitor Modes (Un)
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.
• 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.
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.
Display LED Number Input Terminal Name
Signal Name
(Factory Setting)
1 CN8-3, -4 /HWBB1
2 CN8-5, -6 /HWBB2
3
−
Reserved
4
−
Reserved
5
−
Reserved
6
−
Reserved
7
−
Reserved
8
−
Reserved
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8
Top: OFF (H level)
Bottom: ON (L level)
Number
The top segment of
the number 1 is lit.
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