Signal Explanation - Mitsubishi Electric MELSERVO-J5 User Manual
Ac servo system
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Also See for MELSERVO-J5:
- User manual (580 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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Signal explanation
When the absolute value data is transferred, the signals of connector CN3 change as follows. On completion of data transfer,
the signal returns to the previous status.
Other signals do not change.
Signal name
Symbol
ABS transfer mode
ABSM
ABS request
ABSR
ABS transmission data
ABSB0
bit 0
ABS transmission data
ABSB1
bit 1
ABS transmission data
ABST
ready
Homing
CR
*1 When "Used in absolute position detection system" is selected in [Pr. PA03], pin 17 acts as ABSM and pin 18 as ABSR. They do not
return to the original signals even if data transfer is completed.
CN3
Function and application
connector
pin No.
*1
17
While ABSM is on, the servo amplifier is in the ABS transfer mode, and
the functions of CN3-22, CN3-23, and CN3-25 pins change as
indicated in this table.
*1
18
Turn on ABSR to request the absolute position data during ABS
transfer mode.
22
Indicates the lower bit of the absolute position data (2 bits) which is
sent from the servo to the programmable controller in the ABS transfer
mode. When there is a signal, ABSB0 is on.
23
Indicates the upper bit of the absolute position data (2 bits) which is
sent from the servo to the programmable controller in the ABS transfer
mode. When there is a signal, ABSB1 is on.
25
Indicates ABS transmission data ready during ABS transfer mode.
When ready, ABST is on.
41
When CR is turned on, the position control counter is cleared and the
home position data is stored into the non-volatile memory (backup
memory).
I/O
signal
interface
type
DI-1
DI-1
DO-1
DO-1
DO-1
DI-1
7 ABSOLUTE POSITION DETECTION SYSTEM
7.3 Absolute position detection system by DIO [A]
Control
mode
P (Position
control)
7
297
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