Yaskawa VS-626 MC5 - Manual (Page 118)

6.1 Common Settings
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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.
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