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6. TROUBLESHOOTING
6.2 Scale error (AL. 2A) details classified by linear scale manufacturer
When the occurrence cause of alarm 2A is unknown, contact the linear scale manufacturer after
confirming the scale error details in the following table on the basis of the alarm detail information of the
alarm history display on the MR Configurator.
Scale Error (Alarm 2A) Details
Detail
Information Bit
Mitutoyo
Sony Precision Technology
Heidenhain
Renishaw
Bit7
Optical overspeed
Overspeed error
Bit6
ROM RAM error
Overspeed
Bit5
EEPROM error
Encoder alarm
EEPROM error
Bit4
CPU error
CPU error
Bit3
Capacitive error
ABS data error
Bit2
Photoelectric error
INC data error
Bit1
Photoelectric capacitive
data mismatch
Encoder warning
Scale level error
INC/ABS data mismatch error
Level error
Bit0
Initialization error
Initialization error
Example in which alarm 2A occurred on Mitutoyo make linear scale AT343A
Alarm details : 44h
When the alarm detail information of alarm 2A is 44h, bit 6 and bit 2 are on as indicated below,
indicating that the ROM RAM error and photoelectric error occurred.
Use this information when contacting the scale manufacturer.
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
44h = 0 1 0 0 0 1 0 0
4 4
Summary of Contents for Melservo-J2-SUPER series
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Page 49: ...2 30 2 LINEAR SCALES MEMO...
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