1.7 H: Terminal Functions
154
YASKAWA ELECTRIC
SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
Setting 6A: Drive Enable
A digital input configured as a Drive Enable input (H1-
= 6A) will prevent the drive
from executing a Run command until the input is closed. When the Drive Enable input is
open, the digital operator will display “dnE” to indicate that the drive is disabled.
If a Run command is closed prior to the Drive Enable input being closed, then the drive will
not run until the Run command is cycled. If the Drive Enable input is opened while the drive
is running, the drive will stop using the method set by parameter b1-03 (refer to
Stopping Method Selection on page 40
Setting 75/76: Up/Down 2
The Up/Down 2 function can be used to add a bias to the frequency reference. The input
programmed for 75 will increase the bias and the input programmed for 76 will decrease it.
explains how the Up/Down 2 function works depending on the frequency
reference source and parameters d4-01, d5-03 and d4-05. Refer to
Up/Down 2 Function on page 100
for detailed explanations of these and other Up/Down 2
related parameters.
Note:
1.
The Up 2 and Down 2 functions must be set as a pair.
2.
When using the Up/Down 2 function, set appropriate bias limit values in parameters d4-08 and d4-09.
Table 1.41 Up/Down 2 Operations
Con-
dition
Freq. Ref.
Source
d4-03 d4-05 d4-01
Operation
Frequency Saved
1
Multi-Step
Speed
Reference
0
0
0
• Accelerates (increases the bias) while
the Up 2 function is closed
• Decelerates (decreases the bias)
while Down 2 is closed
• Holds output frequency (holds the
bias) when no Up 2 or Down 2 input
or both active.
• Resets the bias when the reference
changes
• Operates with the frequency
reference in all other situations.
Not saved
2
1
If the bias and frequency
reference are constant for 5 s,
the bias is added to the active
frequency reference and reset
afterwards.
3
1
--
• Accelerates (increases the bias) while
the Up 2 function is closed,
• Decelerates (decreases the bias)
while Down 2 is closed.
• Otherwise operates at the frequency
reference
Not saved
Содержание OYMC V1000
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