YASKAWA V7 Technical Manual page 14

Example 6: Remote Sequence (2-Wire) & Remote Reference
(0 – 10 VDC) and three digital preset speeds
(+)
External
0 - 10 VDC
Source
(–)
OPERATION:
• Close (K1) to Run Forward.
• Close (K2) to Run Reverse.
• If both (K1) & (K2) are closed, the drive stops and displays the error message: "EF."
• Frequency reference is determined by the status of the switches (SW1) and (SW2).
• If the drive is put in the "Local" mode using the LO/RE quick start LED, the drive will behave the same as
illustrated in Example 1.
(SW1) Status
Open
Closed
Open
Closed
Table 7: Programming Required For Remote 2-wire Sequence & Multiple References
Parameter
n001
n001
n025
n026
n027
n036 Set Motor FLA
Control Wiring Schematic
FS
FR
0 - 10V
FREQ. REF
FC
ANALOG
COMMON
Shield
(Drain Wire)
(SW2) Status Reference Source
Open Analog value on terminal FR
Open Digital value stored in parameter n025
Closed Digital value stored in parameter n026
Closed Digital value stored in parameter n027
Display Description
The drive will perform a 2-wire reset.
10
Setting this value will reset all parameters to their original factory
settings (all previous adjustments will be lost). When the drive
completes the reset, this parameter returns to a value of 1.
After doing the reset above, the password parameter returned to a
4
1. Change it to a 4 to get access to all parameters in the drive.
User Set Sets the frequency reference when switch (SW1) is closed and
switch (SW2) is open.
Sets the frequency reference when switch (SW1) is open and switch
User Set
(SW2) is closed.
User Set Sets the frequency reference when switches (SW1) and (SW2) are
closed.
Enter the motor's full load amps as shown on motor nameplate.
0.00
FREF FOUT IOUT MNTR
F/R LO/RE PRGM
DSPL
RUN
MIN MAX
STOP
DATA
RESET
ENTER
MULT STEP 2
CAUTION
- xii -
(K1)
Forward Run
S1
FWD
(K2)
Reverse Run
S2
REV
S3
Shield (Drain Wire)
To Terminal
S4
(SW1)
S5
MULT
(SW2)
STEP 1
S6
S7
SC