YASKAWA CIMR-VU BA0001 Technical Manual page 164

5.4 d: Reference Settings
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.
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 166
Down 2) on page 167
Clearing the Value that was Saved
Depending on which function is used, the frequency reference value that was saved can be cleared by:
164
Output
frequency
Frequency
reference
Bias
Up 2 command
Output
frequency
d4-06 value
Bias
Up 2 command
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 18F YASKAWA AC Drive – V1000 Technical Manual
5 s
5 s
Refer to d4-08: