bnp-b2365(eng)b.pdf - 第311页
6. Troubleshooting 6 - 6 Drive unit alarm No. Alar m n ame SV SP Alarm det ails Reset 40 Detector change over unit, changeover error § During 1-drive unit 2-motor control, an error was detected in the motor changeover si…

6. Troubleshooting
6 - 5
Drive unit alarm
No. Alar m name SV SP Alarm details Reset
20 Motor side detector, No signal 1
{
A PLG Z-phase no signal was detected. PR
21 Machine side detector, No signal 2
§
{
The pulse-type linear scale or ball screw end detector's ABZ-phase no
signal was detected with the servo, or the encoder no-signal was
detected with the spindle.
PR
23 Excessive speed deflection 1
§
A difference of 50r/min or more between the speed command and
speed feedback continued for longer than the set time.
PR
25 Absolute position lost
The backup voltage in the absolute position detector dropped causing
the absolute position to be lost.
AR
26 Unusable axis error
A power module error is occurring with the axis for which the axis No.
selection switch is set to "F" (not used axis).
PR
27 Machine side detector, CPU error 2
§
A CPU error was detected with the linear scale. PR
28 Machine side detector, overspeed
§
A speed exceeding the specified maximum speed was detected with
the linear scale.
PR
29 Machine side detector, absolute
position data error
§
An error was detected in the absolute position data detection circuit with
the linear scale.
PR
2A Machine side detector, incremental
position data error
§
An error was detected in the relative position data detection circuit with
the linear scale.
PR
2B Motor side detector, CPU error 1
A CPU initial error was detected with the motor end detector or linear
scale in the linear servo system.
PR
2C Motor side detector, EEPROM/LED
error
§
Deterioration of the LEDs was detected with the motor end detector. Or,
an error in the data stored in the memory was detected with the linear
scale in the linear servo system.
PR
2D Motor side detector, data error
§
A data error was detected with the motor end detector or linear scale in
the linear servo system.
PR
2F Motor side detector, communication
error
§
A communication data error was detected with the motor end detector
or linear scale for the linear servo. Or, communication was cut off.
PR
31 Overspeed
{
§
A rotation speed exceeding the motor's tolerable rotation speed was
detected.
PR
32 Power module overcurrent
§ §
The power module's overcurrent protection function activated. PR
34 Communication or CRC error
between NC and drive unit
{ {
An error was detected in the data received from the NC. PR
35 NC command error
{ {
The movement command data received from the NC was excessive. PR
36 Communication or transmission
error between NC and drive unit
{ {
Communication from the NC was cut off. PR
37 Initial parameter error
An illegal parameter was detected in the parameters received from the
NC at NC power ON.
PR
38 Communication or protocol error 1
between NC and drive unit
{ {
An error was detected in the communication frame received from the
NC.
PR
39 Communication or protocol error 2
between NC and drive unit
{ {
An error was detected in the axis information data received from the
NC.
PR
3A Overcurrent
§ §
An excessive current was detected in the motor drive current. PR
3B Power module overheat
§ §
The power module's temperature protection function activated. PR
3D Spindle speed lock
§
Even when the maximum torque was commanded, the motor speed
does not increase to 45r/min or more.
PR
3E Spindle speed overrun
§
1. A state in which the motor 's speed feedback exceeded the speed
command and accelerated was detected.
2. Even though the speed command is 0 (including when stopped
during position control), motor rotation exceeding the parameter
setting value was detected.
PR
3F Speed excessive deflection 2
§
During constant speed operation, the difference between the speed
command and speed feedback exceeded the set amount and set time.
PR
(Note 1) Motor stopping method applied when self-axis dr ive unit alarm occurs is indicated in SV for servo and in SP for spindle.
(Note 2) Servo (SV) alarm stopping method
{: Deceleration control (when SV048, SV055 or SV056 is set)
§: Dynamic brake stop
: Initial error (while motor is stopped)
(Note 3) Spindle (SP) alarm stopping method
{: Deceleration control (when SP038/bit0=1 is set)
§: Coast to a stop
: Initial error (while motor is stopped)

6. Troubleshooting
6 - 6
Drive unit alarm
No. Alar m name SV SP Alarm details Reset
40 Detector changeover unit,
changeover error
§
During 1-drive unit 2-motor control, an error was detected in the motor
changeover signal received form the detector changeover unit.
PR
41 Detector changeover unit,
communication error
§
During 1-drive unit 2-motor control, an error was detected in the
communication with the detector changeover unit.
PR
42 Feedback error 1
§ §
With the servo, pulse-type position detector feedback signal error was
detected. With the spindle, a PLG feedback signal error was detected.
PR
43 Feedback error 2
§ §
With the servo, an excessive error was detected in the position data for
the motor side detector and machine side detector. With the spindle, an
error was detected in the encoder feedback signal.
PR
44 C-axis changeover alarm
§
When using the coil changeover control motor, the mode was changed
to C-axis control while the high-speed coil was selected.
NR
46 Motor overheat
{ {
The temperature protection function in the motor or detector activated. NR
4E NC command mode error
§
A spindle control mode selection exceeding the specifications was
input.
NR
50 Overload 1
{
§
The overload detection level reached 100% or more. The motor or drive
unit is in the overload state.
NR
51 Overload 2
§ §
With the servo, a current command exceeding 95% of the unit's
maximum current continued for one second or more. With the spindle, a
load exceeding the continuous rating continued for 30 minutes or more.
NR
52 Excessive error 1
{ {
With the servo, the difference of the motor's actual position at servo ON
and the theoretical position exceeded the setting value. With the
spindle, the difference of the position command and position feedback
exceeded the setting value.
NR
53 Excessive error 2
§
The difference of the motor's actual position at servo OFF and the
theoretical position exceeded the setting value.
NR
54 Excessive error 3
{
The motor current was not detected when the excessive error 1 alarm
occurred.
NR
58 Collision detection 1 G0
{
When the collision detection function is valid, the disturbance torque
exceeded the collision detection value during rapid traverse (G0).
NR
59 Collision detection 1 G1
{
When the collision detection function is valid, the disturbance torque
exceeded the collision detection level during cutting feed (G1).
NR
5A Collision detection 2
{
When the collision detection function is valid, the command torque
reached the motor's maximum torque.
NR
5C Orientation feedback error
§
After orientation was completed, the command and feedback error
exceeded the parameter setting.
PR
(Note 1) Motor stopping method applied when self-axis dr ive unit alarm occurs is indicated in SV for servo and in SP for spindle.
(Note 2) Servo (SV) alarm stopping method
{: Deceleration control (when SV048, SV055 or SV056 is set)
§: Dynamic brake stop
: Initial error (while motor is stopped)
(Note 3) Spindle (SP) alarm stopping method
{: Deceleration control (when SP038/bit0=1 is set)
§: Coast to a stop
: Initial error (while motor is stopped)

6. Troubleshooting
6 - 7
Power supply alarm
No.
LED
display
Alarm name CV CR Alarm details Reset
60
Instantaneous power failure
§
§
A drop in the 24VDC power was detected. PR
61
Power module overcurrent
§
§
The power module's overcurrent protection function activated. PR
62
Frequency error
§
§
The input power frequency exceeded the specified range. PR
63
Auxiliary regeneration error
§
§
The auxiliary regenerative transistor is still ON. PR
65
Rush relay error
§
§
The rush resistance short-circuit relay does not turn ON. PR
67
Phase failure
§
§
There is a phase failure in the input power. PR
68
Watch dog
§
§
The system is not operating normally. AR
69
Ground fault
§
§
The motor power cable is contacting FG (ground). PR
6A
External contactor melting
§
§
The external contactor's contact has melted. PR
6B
Rush relay melted
§
§
The rush resistance short-circuit relay does not turn OFF. PR
6C
Main circuit error
§
§
An abnormality was detected in the main circuit capacitor's charging
operation.
PR
6D
Parameter error
§
§
The power supply unit's capacity is not appropriate for the regenerative
resistor type set with the parameters.
PR
6E
Memory error
§
§
An error was detected in the internal memory. AR
6F
Power supply error
§
§
The power supply is not connected, or an error was detected in the
power supply's A/D converter.
This is detected simultaneously if another power supply alarm occurs.
AR
71
Instantaneous power failure/
external emergency stop
§
§
An instantaneous power failure occurred. NR
73
Over-regeneration
§
§
The over-regeneration detection level exceeded 100%. The
regenerative resistor is in the overload state.
PR
74
Regenerative resistor
overheat
§
§
The temperature protection function in the regenerative resistor
activated.
PR
75
Overvoltage
§
§
The main circuit PN bus voltage exceeded the tolerable value. NR
76
External emergency stop
setting error
§
§
The rotary switch setting for the external emergency stop does not
match the parameter setting.
AR
77
Power module overheat
§
§
The power module's temperature protection function activated. AR
(Note 1) If a power supply alarm (60 to 77) occurs, all servos will stop with the dynamic brakes, and all spindles will be stop with the
coast to a stop.
(Note 2) "b", "C" and "d" displayed on the power supply unit's LED as a solid light (not flickering) do not indicate an alarm.