10 positioning down ramp – Siemens MICROMASTER 440 User Manual
Page 66

6 Commissioning
Issue 10/06
MICROMASTER 440
66
Operating Instructions (Compact)
6.4.18.10 Positioning down ramp
Technological application
Selects technological application. Sets control mode (P1300).
0 Constant torque
1 Pumps and fans
3 Simple Positioning
Gearbox ratio input
Defines the ratio between number of motor shaft revolutions to equal one revolution of the
gearbox output shaft.
n
n
Motor
Load
Load
Ь
Ь =
P2482
P2481
=
Motor revolutions
Load revolutions
Motor
Gear
Gearbox ratio output
Defines the ratio between number of motor shaft revolutions to equal one revolution of the
gearbox output shaft.
No. of shaft turns = 1 Unit
Sets the number of rotations of the motor shaft required to represent 1 unit of user
selected units.
=
=
s
U
P2484
Load
Mo
tor
Pulley radius r
No. of revolutions
1 [unit]
U
Distance s
Distance / No. of revolutions
Sets the required distance or number of revolutions (see P2484).
Motor
Gear
f
⋅
=
=
2
1
P2488
s
t
OFF1
f
OFF1
.
t
P2488
.
t
P2488
f
OFF1
0
1.00
P0500 = ...
P2481 = ...
1.00
P2482 = ...
1.00
P2484 = ...
1.00
P2488 = ...