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14. ABSOLUTE POSITION DETECTION SYSTEM
(2) ABS communication error
(a) The OFF period of the ABS transmission data ready signal output from the servo amplifier is checked.
If the OFF period is 1s or longer, this is regarded as a transfer fault and the ABS communication error is
generated.
The ABS communication error occurs if the ABS time-out warning (AL.E5) is generated at the servo
amplifier due to an ABS request ON time time-out.
OFF
ON
OFF
ON
OFF
ON
1s
ABS transfer mode
ABS request
ABS transmission
data ready
ABS communication
error
The signal does not come ON
NO
YES
(b) The time required for the ABS transfer mode signal to go OFF after it has been turned ON (ABS transfer
time) is checked.
If the ABS transfer time is longer than 5s, this is communication error occurs if the ABS time-out warning
(AL.E5) is generated at the servo amplifier due to an ABS transfer mode completion time time-out.
OFF
ON
OFF
ON
OFF
ON
1
2
3
4
18
19
1
2
3
4
18
19
5s
ABS transfer mode
ABS request
ABS transmission
data ready
ABS communication
error
The signal does not go OFF
NO
YES
Содержание MELSERVO MR-J3 A Series
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