Yaskawa E7 Drive Technical Manual - Manual (Page 7)

Date: 02/25/2010, Rev: 10-02 Page 7 of 34 TM.F7SW.064
4.1 Parameters (continued)
Control Mode *1
Para
meter
Numb
er
Modbus Address
Parameter Name
Digital Operator
Display
Description
Range Default
Cha
nge Duri
ng
Run
V/f
V/f w/
PG
Open Loop
Vector
Flux Vector
P1-02 601H
Master Encoder
PPR
Master PG PPR
Sets the pulses per revolution
(PPR) of the master encoder
(PG).
20 ~
60,000
Pulses
1024 No Q Q Q Q
P1-03 602H
Ratio Numerator
(Upper 4 Digits)
Ratio Num High
Sets the upper 4 digits of the
primary gear ratio numerator.
See section 5.1.
0 ~
9999 1000 Yes Q Q Q Q
P1-04 603H
Ratio
Denominator
(Upper 4 Digits)
Ratio Den High
Sets the upper 4 digits of the
primary gear ratio
denominator. See section 5.1.
0 ~
9999 1000 Yes Q Q Q Q
P1-05 604H
Ratio Numerator
(Lower 4 Digits)
Ratio Num Low
Sets the lower 4 digits of the
primary gear ratio numerator.
See section 5.1.
0 ~
9999
0 Yes A A A A
P1-06 605H
Ratio
Denominator
(Lower 4 Digits)
Ratio Den Low
Sets the lower 4 digits of the
primary gear ratio
denominator. See section 5.1.
0 ~
9999
0 Yes A A A A
P1-07 606H
Ratio 2
Numerator
Ratio 2 Num
Sets the numerator of the
secondary gear ratio. Active
when a multi-function digital
input is set to 81 (Ratio 2
Select) and the input is closed.
1 ~
65,535
1 Yes A A A A
P1-08 607H
Ratio 2
Denominator
Ratio 2 Den
Sets the denominator of the
secondary gear ratio. Active
when a multi-function digital
input is set to 81 (Ratio 2
Select) and the input is closed.
1 ~
65,535
1 Yes A A A A
P1-09 608H
Position Error
Accumulation
Selection
Pos Accum
Select
Sets when the position error
accumulator is enabled in the
follower drive.
0: Only During Run
Position error is only
calculated when the
follower drive is running (not
during High Slip Braking) .
1: Always
Position error is calculated
whenever power is applied
to the follower drive.
Note: ELS modes only.
0 ~ 1 0 No A A A A
*1: Access Level (A1-01): Q = “Quick Start”, A = “Advanced”, F = “Factory”.