Shihlin SDH Series, Manual

Page: 199 / 220

190
SDH Series Manual
14.1 Mitsubishi Absolute Position Detection System
1 4.1.1Signal explanation ：
When the absolute position data is transferred, the signals of connector CN1 change as described in this section.
Signal name Code
CN1
connector
pin No.
Function/Application I/O
ABS transfer mode ABSM plan able
While ABSM is on, the servo amplifier is in the ABS transfer
mode which has the functions of ABSR
、
ABST
、
ABSB0
、
ABSB1.
DI-x
ABS request ABSR 17
Turn on ABSR to request the absolute position data in the ABS
transfer mode.
DI-4
(regular)
ABS transmission
data Bit 0
ABSB0 43 Indicates the lower bit of the absolute position data (2 bits).
DO-3
(regular)
ABS transmission
data Bit 1
ABSB1 44 Indicates the upper bit of the absolute position data (2 bits).
DO-4
(regular)
ABS transmission
data ready
ABST 42
Indicates that the data to be sent is being prepared in the ABS
transfer mode. At the completion of the ready state, ABST turns
on.
DO-2
(regular)
ABS Home position
setting
ABSC plan able When ABSC is turned on, the home position data is cleared. DI-x
ABS position lost ABSV plan able When absolute position is lost ,ABSV is turned on 。 DO-x
Please refer to the following standard connection for example.
14.1.2 Startup procedure
：
(1)Absolute motor and battery installation.
(2)Parameter setting
Set "1" in [Pr. PA28] which is setting absolute system.
Set "1" in [Pr. PA34] and switch power off which is setting Mitsubishi absolute position detection system.
Then on and parameter settings become effective.
(3)[AL.2A absolute encoder error 1]Reset alarm
After changing battery, [AL.2A absolute encoder error 1] occurs at first power-on. Turn off the power, then on
to reset the alarm.