4.5.2 INDICATIONLAMPOF POWERSUPPLYUNIT
Table 4.8 Indication Lamp
‘~
INDICATION Color
SOURCE Green
POWERON Green
-+5 v, Red
+12 ~
-+24 v
Red
EXT. ALARM
Red
MEANING
With this lamp on, AC
input is executed or DC
high voltage will still
be applied even if AC
input off.
4.6.1 OUTLINEOF DISPLAYS
Table 4.9 Diagnostic Nos and Conl,ents
Diagnostic
No.
#1000–Jt1061
H11OO–II1155
Power on with normal DC
output
#1200–#1295
+5 V or t12V abnormal
Output
+24 V abnormal output
Alarm input from external
power supply etc. is on.
4.5,3 CHECKDCPOWERSUPPLYVOLTAGE
Measure at check terminals on MB20board.
4.6 STATUSDISPLAYBYON-LINEDIAGNOSTICS
FUNCTION (DGN)
When the 1/0 section of the NCunit is suspect-
ed of failure, diagnostic numbers can be keyed-
in on the NCcontrol panel to display and check
1/0 signals for status.
#1300– #1329
Display Contents
Input signals fo]
machine tool
Output signals
to machine tool
Output signals
to power se-
quence (PC)
Input signals
from power se-
quence (PC)
Notes:
Remarks
Refer to
machine tool
builder’s
manual.
Refer to par.
9.6or con-
necting man-
ual
TOE--C843-9.22.
1. With a power sequence (PC) Setup built-in,
signals #1000 to #1061 and #1100 to #1155
in meaning depending on each powe:r se-
quence program.
Read the machine tool
builder’s manual.
D, Db D5 D4 D3 Dz DI Do
Display -----
0000 1 1 1 1
T T
‘Contact
Lcontact
Opened
colsed
2. For keep memory, refer to Par. 8, “NCDATA
PROCESSING. “
-48–
To Next Page
Loading...
