YASKAWA VS-626MT Series Manual page 16

5 .
Adjustment of Basic Circuit
SYMBOL FUNCTION ADJUSTMENT
2RH(C) Voltage adjustment of
Adjust so CHI(A) is +12 .OOV ±O-1V
DC supply (+12V)
3RH(C) Voltage adjustment of
Adjust so CH3(A) is -12 .OOV ±O-1V
DC supply (-12V)
7RH(C) Frequency adjustment Adjust so CH11(C) is 144KHZ ±1%
of logic circuit
11RH(C) Balance adjustment of Adjust so that of -res . voltage is the
resolver excitation same level as 13 -res . voltage .
voltage
I
f : 9KHZ±l ;~
9
d-res .
0Ilk
10
11
0° lec .
/3
H
-res .
12
19RH(C) Offset adjustment of Adjust to remove the DC component from
phase oCcurrent amp the AC output current .
20RH(C) Offset adjustment of
phase /3 current amp
16RH(C) Carrier frequency
Adjust to 2KHZ-3KHZ according to the
adjustment of PWM specification .
17RH(C) Carrier frequency
Usually this function is not used .
of PWM Set full CCW . adjustment
18RH(C) against speed
T LIMIT
Level adjustment of
Adjust Ito 125% of the 30 minute
(C) current limit rated current .
SLIP Slip frequency
FREQ(C) adjustment
4RH(C) Slip frequency i
adjustment against
speed
12RH(C) Current level adjust-
Adjust to 105% of the 30 minute
ment of OVERLOAD
rated current .
detection