YASKAWA L1000A CIMR-LC F Series, Technical Manual Addendum

Page: 49 / 106

6 DCP Interface
YASKAWA TOEPC710616134G AC Drive L1000A Technical Manual Addendum 49
Figure 6.17 Fast-Start Sequence DCP4
Activation of the 'Fast Start Function' :
The 'Fast-Start Function' is activated when the travel sequence starts with a speed message (B3=1, B2=0, B1=0,
B0=1) using speed mode VF (4h) in the lift controller's data bytes.
Actions and Controls during 'Fast-Start Function' :
When the 'Fast-Start Function' is active, the drive applies DC-Injection / Zero-Servo to hold the car in position
while the brakes are opened by the drive controller. The time during which the 'Fast-Start Function' is active
should be limited and monitored on lift controller side.
Transition from 'Fast-Start Function' to Normal Travel :
An additional speed message (DCP3: B3=1, B2=1, B1=1, B0=1; DCP4: B3=1, B2=1, B1=0, B0=1) with a regular
speed mode in the lift controller's data bytes terminates the 'Fast-Start Function' and initiates the normal travel
with the selected speed.
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