YASKAWA V1000 Technical Manual page 158

5.4 d: Reference Settings
Up 2 command
Figure 5.37 Up/Down 2 Example with Reference from Digital Operator and d4-01 = 1
• Up/Down 2 with Frequency Reference from Other Input Sources
When the frequency reference is set by an another source than the digital operator, the bias value will be saved in
parameter d4-06 exactly 5 s after the Up/Down 2 command has been released. When the Run command is turned off or
the power is switched off, the drive will use the value saved in d4-06 when it restarts.
Up 2 command
Figure 5.38 Up/Down 2 Example with Other Reference than Digital Operator and d4-01 = 1
Note: Make sure to set the Up/Down 2 limits properly when using d4-01 = 1 in combination with the Up/Down 2 function.
Frequency Reference Bias Upper Limit (Up/Down 2) on page 160
Down 2) on page 161
Clearing the Value that was Saved
Depending on which function is used, the frequency reference value that was saved can be cleared by:
• Releasing the acceleration hold input.
• Setting an Up or Down command while no Run command is active.
158
Output
frequency
Frequency
reference
Bias
Output
frequency
d4-06 value
Bias
for details on the limit settings.
Bias is added to frequency
reference and reset to 0
5 s
Bias is saved in parameter d4-06
5 s
and Refer to d4-09: Frequency Reference Bias Lower Limit (Up/
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
5 s
5 s
Refer to d4-08: