•An additional external circuit should also be added to ensure the brake releases properly
when an Up/Down Command is entered.
• When changing the speed using
an analog signal, make sure that the source of the frequency
reference is assigned to the control circuit terminals (b1-01 = 1).
• A sequence to open and close the holding brake appears in the diagram below.
Time
UP
S1-SC
OFF
d1-03
d1-01 (Enabled when b1-01 = 0)
L4-01
b4-01
OFF
DC Injection braking
ON
ON
MA-MC
Holding brake
Output frequency
0
Frequency Detection 2
(H2-01=5)
Closed Closed
Open
b6-02
b6-01
Output
Figure 4.21 Holding Brake Time Chart
4.5 Basic Operation
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
117
4
Start-Up Programming
& Operation
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