Yaskawa VS-626 MC5 User Manual
Page 118
6.1
Common Settings
- 15
Three-step Speed Operation Example
The following example shows three-step speed operation with frequencies set at Inverter constants.
D
Sequence
Output frequency
Forward/reverse run
command,
terminal 1 or 2
Multi-step speed reference
1, terminal 5
Multi-step speed reference
2, terminal 6
d1
-
01
d1
-
02
d1
-
03
OPEN
CLOSED
OPEN
CLOSED
OPEN
CLOSED
D
Connections
VS
-
626MC
5
Forward Run/Stop
1
2
6
5
11
IM
U
V
W
R
S
T
R
S
T
Reverse Run/Stop
Multi-step speed
reference 1
Multi-step speed
reference 2
D
User Constant Settings
Constant No.
Name
Setting
A1-01
Constant access level
3: Basic (B)
b1-01
Reference selection
0: Operator
d1-01
Frequency reference 1
Hz frequency setting
d1-02
Frequency reference 2
Hz frequency setting
d1-03
Frequency reference 3
Hz frequency setting
H1-03
Multi-function input (terminal 5)
3: Multi-step speed reference 1 (factory setting)
H1-04
Multi-function input (terminal 6)
4: Multi-step speed reference 2 (factory setting)
H3-05
Multi-function input (terminal 16)
1F: Not used
Terminal 6 would not be needed if 2-step speed operation were required.
6