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15. ABSOLUTE POSITION DETECTION SYSTEM
15.7.4 Use of servo motor with electromagnetic brake
The timing charts at power on/off and servo-on (SON) on/off are given below.
Preset "
1 " in parameter No. 1 to make the electromagnetic brake interlock signal (MBR) usable.
When the ABS transfer mode is ON, the electromagnetic brake interlock (MBR) is used as the ABS data
bit 1.
Hence, make up an external sequence which will cause the electromagnetic brake torque to be generated
by the ABS mode (ABSM) and electromagnetic brake interlock signals.
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
80 [ms]
20 [ms]
Tb
80 [ms]
20 [ms]
Tb
Power
supply
Servo-on
(SON)
ABS transfer mode
(ABSM)
ABS request
(ABSR)
Send data ready
(TLC)
Send (ABS) data
Base circuit
Ready
(RD)
Electromagnetic
brake (MBR)
Electromagnetic
brake torque
During transmission
of ABS
During transmission
of ABS
ABS data ABS data