Monitoring Input Signals; Interpreting Input Signal Display Status - YASKAWA SGDV series User Manual

7 Monitor Displays (Un

7.3.1 Interpreting Input Signal Display Status

7.3

Monitoring Input Signals

The status of input signals can be checked with the input signal monitor (Un005). The procedure for the
method of interpreting the display and a display example are shown below.
7.3.1

Interpreting Input Signal Display Status

The input signal monitor (Un005) can be read in the following way. The upper level indicates OFF, and the
lower level indicates ON. All undefined digits are shown in the lower level (ON).
U n 0 0 5 =
Note: The monitor display and the number of digits shown in a large-capacity Σ-V SERVOPACK are different from those
for a standard Σ-V SERVOPACK. Make sure you are reading the displays correctly when checking signal operation.
Display LED
Note: Input signals use the following circuit configuration.
• OFF: Open
• ON: Short-circuited
Example
OFF (open)
7-4
)
8 7 6 5 4 3 2 1 digit
Input Terminal Name
Number
1
2
3
4
5
6
7
8
MECHA
CN1-40
CN1-41
CN1-42
CN1-43
CN1-44
CN1-45
CN1-46
–
Signal Name
(Factory Setting)
/SI0
/SI1
P-OT
N-OT
/SI4
/SI5
/SI6
Reserved