sh030051g.pdf - 第354页

13 - 53 13. SERVO AMPLIFIERS WI TH A LARGE CAPACITY ( 30k TO 55kW ) 13.4.4 Alarm mode The current alarm, parameter error and p oint table error are displayed. The lower 2 digits on the display indica te the alarm number …

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13 - 52
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
(b) Display definition
The 7-segment LED segments and CN1 connector pins correspond as shown below.
Lit: ON
Extinguished: OFF
Input signals
Output signals
CN1-7: Forced stop (EM1)
CN1-8:
Warning (WNG)
CN-2:
Trouble (ALM)
The LED segment corresponding to the pin is lit to indicate ON, and is extinguished to indicate OFF.
(3) Output signal forced output
You can force the output signal to be switched on/off, independently of the converter status.
This function is used for wiring check of output signal.
When turning CN1-8 on and off
External I/O signal display screen
Press SET for more than 2 seconds.
CN1-8
CN1-8 CN1-2
Press MODE once.
Press UP once.
The signal under the lit LED is switched on/off.
Indicates ON/OFF of the trouble (ALM) signal. (Lit: ON, extinguished: OFF)
Press MODE once.
The lit LED moves to the upper LED of CN1-8.
Press UP once.
CN1-8 switches on. (WNG-DOCOM are connected.)
Press DOWN once.
CN1-8 switches off.
Press SET for more than 2 seconds.
Call the display screen shown after power-on.
13 - 53
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
13.4.4 Alarm mode
The current alarm, parameter error and point table error are displayed.
The lower 2 digits on the display indicate the alarm number that has occurred or the parameter number in error.
Display example are shown below.
Name Display Description
Current alarm
Indicates on occurrence of an alarm.
Indicates that overvoltage (A.33) occurred.
Flickers at alarm occurrence.
Indicates that the last alarm is overload (A.50).
Indicates that the second alarm in the past is overvoltage
(A.33).
Alarm history
Indicates that the third alarm in the past is undervoltage (A.10).
Indicates that the fourth alarm in the past is undervoltage
(A.10).
Indicates that the fifth alarm in the past is undervoltage (A.10).
Indicates that the sixth alarm in the past is overload (A.50).
Parameter error No.
Indicates no occurrence of parameter error (A.37).
Displayed
alternately
Indicates that the data of parameter No.PA01 is faulty.
13 - 54
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
Functions at occurrence of an alarm
(1) Any mode screen displays the current alarm.
(2) The other screen is visible during occurrence of an alarm. At this time, the decimal point in the third digit
flickers.
(3) To clear any alarm, switch power off, then on or press the "SET" button on the current alarm screen. Note
that this should be done after removing the case of the alarm.
13.4.5 Parameter mode
POINT
The display section of the converter unit has three digits. When a parameter
No. is displayed, parameter group and parameter No. are displayed
alternately.
When, for example, "PA01" is displayed,
and are displayed
alternately.
The following example gives the operation procedure after power-on for use of the regenerative options (MR-
RB137).
Displayed
alternately
( 2: MR-RB137 (3 pcs.) are used.)
(Note)
Press MODE three time
The parameter number is displayed.
For parameter No.PA01, “PA” and “01” are displayed alternately.
Press UP or DOWN to change the number.
Press MODE twice
The set value of the specified parameter number flickers.
In this case, the lower three digits “0
000” of the set value “0000” are
displayed.
Press MODE once
During flickering, the set value can be change.
Use UP or DOWN .
Press SET to enter.
Note. If the "MODE" button is pressed when the lower three digits of the four digits "0000" are displayed, the fourth digit "0000" is
displayed as
. However, do not change the setting of the fourth digit. Press the "MODE" button again to reset the display
to the lower three digits
.
To shift to the next parameter, press the "UP"/"DOWN" button.
When changing the parameter No.PA01 setting, change its set value, then switch power off once and switch it
on again to make the new value valid.