Magnetek DSD 412 - Figure 19: Elevator Start - Stop Timing

DRIVE SETUP
74
Figure 19: Elevator Start - Stop Timing
RAMP
DOWN
ACCEL DECEL
FIELD
WEAKENING
IF REQ'D
SET
RELEASED
ELEVATOR
BRAKE
ZERO
OTHER
ELEVATOR
VELOCITY
ZERO
OTHER
MOTOR
ARMATURE
CURRENT
FULL
STAND-BY
MOTOR
FIELD
CURRENT
MUST REMAIN VALID DURING ENTIRE RUN
ZERO
SPEED
SPEED
DIRECTION
& RAMP
CMDS
0
1
CONTACTOR
ACK
LPR /
CONTACTOR
0
1
0
0
1
HARDWARE
RUN
1
0
1
SAFETY
CHAIN
DRIVE & FIELD
ENABLE
ZERO
SPEED
RUN
ENGAGED
0
1
PRE-
TORQUE
AS REQ'D
DURING RUN
AS REQ'D DURING RUN
RUN
SPEED
1
0