Control Signals - Toshiba DP1600 Service Manual

(4) DP1600 series
To stop the rotation, the I/O port GA-2 turns the MMON signal to "Low" level, thereby stopping the
main motor.
DP2000/2500 series
To stop the rotation, the I/O port GA-2 turns the MMBRK signal to "High" level, thereby braking the
rotation of the main motor. Then, the I/O port GA-2 turns the MMON signal to "Low" level to stop the
main motor.

10.4.2 Control signals

(1) MMCLK signal
Reference clock signal for rotational speed.
(2) MMDIR signal (DP2000/2500 series)
Rotational direction setting signal.
"Low" level: Rotates counterclockwise as viewed from the output shaft.
"High" level: Rotates clockwise as viewed from the output shaft.
(3) MMBRK signal (DP2000/2500 series)
Rotational brake signal.
"Low" level: Brake ON
"High" level: Brake OFF
(4) MMON signal
ON/OFF control signal for main motor.
"Low" level: OFF
"High" level: ON
(5) MMSYNC signal
Detection signal for rotational state.
"Low" level: Rotation at constant speed
"High" level: Rotation at non-constant speed
December 2000 © TOSHIBA TEC 10 - 13 1600/2000/2500 DRIVE SYSTEM