User guide

A-4
Appendix
IG-E
When an error occurs, an error message appears on the sensor amplifier.
Button opera-
tions are
ignored.
Is the key lock function
being used?
Cancel the key lock function.
"3-9 Key Lock Function" (page 3-21)
The connected communication unit <DL-RS1A> read/
write setting switch is set to RW.
Set the read/write setting switch to R.
"
RS-232C Communication Unit DL-RS1A User's Manual"
The judgment
output cannot
be output prop-
erly.
Is the output polarity set
correctly?
Make the settings for NPN output and PNP output.
"3-5 Initial Reset (Initialize)" (page 3-10)
Is the unit properly wired?
Wire the unit correctly.
"Output Circuit Diagram" (page 5-4)
Is the tolerance setting
value set correctly?
Set the tolerance setting value.
"3-6 Setting the Tolerance Setting Value" (page 3-11)
Is the output mode (N.O./
N.C.) set correctly?
Set the output mode.
"4. Output mode" (page 4-19)
The analog output
cannot be output
properly.
Is the unit properly wired?
Wire the unit correctly.
"Output Circuit Diagram" (page 5-4)
Is the type of analog out-
put (current/voltage) set
correctly?
Set the type of analog output.
"3-5 Initial Reset (Initialize)" (page 3-10)
The bank cannot be
switched by the
external input
Is the key lock function
being used?
Use the key lock function.
"3-9 Key Lock Function" (page 3-21)
The sensor
head indicator
does not
change.
Is the power voltage used
within the specification
range?
Use the power voltage within the specification range.
"5-1 Specifications" (page 5-2)
Is there an error message
on the sensor amplifier?
Take adequate measures according to the error mes-
sages.
"Error displays and
corrective actions" (page A-4)
Problem Check points Corrective actions
Error displays and corrective actions
Reference
If an error occurs, the judgment output becomes error. Also, the edge check
output becomes off. (When Normal Open is set)
"4. Output mode" (page 4-19)
W
hen [
GTE
] is displayed, all the judgment output becomes OFF for output protection.
When an error is displayed, the analog voltage output is fixed to 5.5 V and
analog current output is fixed to 3.0 mA.
Error displays Error contents Corrective actions
Head error
The transmitter and receiver
are not connected to the sen-
sor amplifier.
Connect the transmitter and receiver correctly.
"Sensor Head Connection" (page 2-12)
The sensor head cable con-
nector is not connected prop-
erly.
Make the connection again.
"Attaching the sensor head cable connector
(OP-84338)" (page 2-14)
The transmitter is broken. Replace the transmitter.
The sensor head cable of trans-
mitter is damaged.
Replace the sensor head cable.
VT
LASER
BANK
0
1
2
3
HI
LO
R.V.
ANALOG
HI SHIFT
ZERO SHIFT
TIMING
LO
ALIGNMENT
'T*
GO
HOLD CALC
CHECK