GE Industrial Solutions DV-300 DC Drive Users Manual - Manual (Page 227)

DV-300 Adjustable Speed Drives
——— FUNCTION DESCRIPTION ———
6
99
EXAMPLE (RUBBER CALENDER)
Example Setting:
M
DRIVE A
MASTER = 1000 rpm 1050 rpm 1100 rpm
+
LINE SPEED
M
DRIVE B
M
DRIVE C
+
Speed Ratio = 5.25V
(10500 count)
+
Speed Ratio = 5.5V
(11000 count)
Line speed
ratio 1 = +5% Line speed
ratio 2 = +10%
AN. INPUT
1
AN. INPUT
1 2
AN. INPUT
1 2
Figure 6.14.5.2: Rubber calender example
DRIVE A (master)
Set Analog input 1 = Ramp ref 1
DRIVE B
Line speed ratio 1 = Line speed + 5%
Set Analog input 1 = Ramp ref 1
Set Analog input 2 = Speed ratio
Set Speed ratio parameter = 10500
DRIVE C
Line speed ratio 2 = Line speed + 10%
Set Analog input 1 = Ramp ref 1
Set Analog input 2 = Speed ratio
Set Speed ratio parameter = 11000