bnp-b2365(eng)b.pdf - 第346页

6. Troubleshooting 6 - 41 W arning No. 93 Initial absolute position fluctuation The position data fluctuated when creat ing the initial absolute position. Investigation det ails In vestigation results Remedies SV SP The …

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6. Troubleshooting
6 - 40
6-3-3 Troubleshooting for each warning No.
Warning No.
90
Detector, initial communication error
Initial communication with the absolute position linear scale was not possible.
Investigation details Investigation results Remedies SV SP
The setting is incorrect. Correctly set SV025. 1 Check the servo parameter
(SV025.pen) setting.
The setting is correct. Investigate item 2.
{
The connector is disconnected
(loose).
Correctly install. 2 Check whether the drive unit
connector (CN3) and detector
connector are disconnected.
The connector is not disconnected. Investigate item 3.
{
The connection is faulty. Replace the detector cable (CN3
side).
3 Turn the power OFF, and check the
detector cable connection with a
tester.
The connection is normal. Investigate item 4.
{
No abnormality is found in particular. Replace the tool end detector.
(With the absolute position system,
the zero point must be established.)
4 Check if there is any abnormality in
the tool end detector's ambient
environment.
(Ex.: Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Warning No.
91
Detector, communication error
An error was detected in the communication with the detector for the absolute position detection
system.
Investigation details Investigation results Remedies SV SP
The connector is disconnected (or
loose).
Correctly install. 1 Check whether the drive unit
connectors (CN3) or detector
connectors are disconnected.
The connector is not disconnected. Investigate item 2.
{
The cables are wired near each
other. (Noise is entering from the
power cable.)
Improve the cable wiring. 2 Is the detector cable wired in the
same conduit as the motor's power
cable or are the two cables laid in
parallel near each other?
The wires are sufficiently separated. Investigate item 3.
{
The motor FG wire is grounded on
the motor side.
Ground the motor to one point,
connecting the wires together on the
drive unit side.
3 Is the motor FG wire connected only
to the drive unit which drives it?
(Is the motor grounded to one point?)
The motor is grounded to one point. Investigate item 4.
{
There is a connection fault. Replace the detector cable. 4 Turn the power OFF, and check the
detector cable connection with a
tester. (Is the cable shielded?)
The connection is normal. Investigate item 5.
{
The alarm is on the drive unit side. Replace the drive unit. 5 Connect to another normal axis drive
unit, and check whether the fault is
on the drive unit side or detector side.
The alarm is on the detector side. Investigate item 6.
{
No abnormality is found in particular. Replace the detector.
(With the absolute position system,
the zero point must be established.)
6 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Warning No.
92
Detector, protocol error
An error was detected in the data for the absolute position detection system.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{ {
6. Troubleshooting
6 - 41
Warning No.
93
Initial absolute position fluctuation
The position data fluctuated when creating the initial absolute position.
Investigation details Investigation results Remedies SV SP
The vertical axis or slant axis drops
when the NC power is turned ON.
Check the brake operation. 1 Check the state of the axis when the
NC power is turned ON.
The axis moves with an external
force when the NC power is turned
ON.
Make sure that the axis does not
move when the power is turned ON.
{
Warning No.
96
MP scale feedback error
An excessive deviation was detected between the motor end detector and MP scale feedback data for
the MP scale absolute position detection system.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "43" items.
{
Warning No.
97
MP scale offset error
An error was detected in the offset data received from the MP scale for the MP scale absolute position
detection system.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{ {
Warning No.
9E
Absolute position detector, multi-rotation counter error
An error was detected in the multi-rotation counter for the absolute position detector. The absolute
position cannot be compensated.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{ {
(Note) When this alarm occurs, the absolute position system's zero point must be established.
Warning No.
9F
Battery voltage drop
The voltage of the battery supplying to the absolute position detector has dropped. The absolute
position data is held.
Investigation details Investigation results Remedies SV SP
Less than 3V. Replace the battery unit. 1 Measure the battery (MDS-A-BT)
voltage.
3V or more. Investigate item 2.
{
The cable is disconnected. Connect correctly. 2 Check whether the NC bus cable is
disconnected.
There is no problem. Investigate item 3.
{
The cable is broken. Replace the cable. 3 Check whether the battery wire in the
detector cable is broken.
The cable is not broken. Investigate item 4.
{
Improved. Replace the drive unit. 4 Try replacing the drive unit.
Not improved. Replace the detector.
(With the absolute position system,
the zero point must be established.)
{
(Note) When warning 9F occurs, do not turn the drive unit power OFF to ensure that the absolute position data is held.
Replace the battery with the drive unit power ON.
6. Troubleshooting
6 - 42
Warning No.
A8
Turret indexing error warning
The commanded turret indexing position shift amount is outside the specified range.
Investigation details Investigation results Remedies SV SP
The setting is incorrect. Correctly set SP097. 1 Check the parameters.
SP097/bitB = 0 command angle 1°
unit
SP097/bitB = 1 command angle
0.1° unit
The setting is correct. Investigate item 2.
{
The position can be pinpointed. Check the PLC program process. 2 Pinpoint where the alarm occurs in
the PLC program.
The position cannot be pinpointed. Investigate the details of the NC and
PLC program process.
{
Warning No.
A9
Orientation feedback error warning
Retrying during an orientation feedback error.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "5C" items.
{
Warning No.
E1
Overload warning
The overload detection level is 80% or more.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "50" items.
{ {
Warning No.
E3
Absolute position counter warning
A deviation was detected in the absolute position data and relative position data.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{
(Note) When this alarm occurs, the absolute position system's zero point must be established.
Warning No.
E4
Parameter error warning
A parameter exceeding the setting range was set.
"S51 parameter error ####" is displayed on the NC screen. #### indicates the incorrect parameter No.
Investigation details Investigation results Remedies SV SP
1 Check the error parameter No. SV001 to SV065
(M60S system: 2201 to 2265)
SP001 to SP384
(M60S system: 3201 to 3584)
Set the value within the designated
setting range.
{ {
Warning No.
E6
Control axis removal warning
Control axis removal was commanded.
Investigation details Investigation results Remedies SV SP
1 The status in which removal of the control axis was commanded from the NC is indicated.
{