Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 158)

The VS-626M5 PC NC Maintenance Manual
4-137
Figure 4.24: Display of Bit Selection Signal
Key Operations And Display
The information below describes how to operate the digital operator keys
and display.
(1) Indication at Power-ON
Digital operator display at control power supply ON is shown
below.
Description Digital Operator Display Remarks
Turn ON control power sup-
ply.
—
—
All LEDs light. Displayed for 1.5 seconds
PROM version number is dis-
played. Displayed for 0.5 seconds
The lower 5 digits of PROM number
are displayed. The example uses
PROM number “VSM200040.”
U1-01 (motor speed) data is
displayed. Because the motor does not rotate
when power supply is turned ON, “0”
is displayed.
The fault number. is displayed
(when a protective function is
activated). AL-42 indicates motor thermistor is
disconnected when motor encoder
signal 2CN is disconnected.
1: ON
0: OFF
Selection signal 0 (OFF) indicates @"
and 1 (ON) indicates @ ."
Bit 7 6 5 4 3 2 1 0
D D D D
( )