142 Program features
Speed reference scaling
The Speed reference scaling function converts the linear speed of the elevator (m/s)
to the rotation speed of the elevator motor (rpm). To ensure correct operation of the
function and the elevator, you must define calculation factors at the start-up of the
drive. These factors (parameters) are: gear ratio, sheave diameter and roping ratio.
The figure below illustrates the components of the function.
The figure below illustrates common roping ratio alternatives.
Motor
Gear ratio
Sheave dia (m)
Speed
(rpm)
Linear speed (m/s)
Speed (rpm)
Gear ratio
Motor
Linear speed (m/s)
Sheave diameter (mm)
Roping ratio 1:1
Roping ratio 2:1
Roping ratio 1:1
Roping ratio 2:1
Summary of Contents for ACL30
Page 1: ...ABB high performance elevator drives User s manual ACL30 elevator drive ...
Page 4: ......
Page 20: ...20 Safety instructions ...
Page 34: ...34 Operation principle and hardware description ...
Page 42: ...42 Planning the cabinet installation ...
Page 60: ...60 Planning the electrical installation ...
Page 126: ...126 Using the control panel ...
Page 318: ...318 Maintenance ...
Page 334: ...334 The Safe torque off function ...
Page 338: ...338 Mains chokes ...
Page 342: ...342 EMC filters ...
Page 348: ...Dimension drawings 348 Frame size B D1 D2 W H1 H2 ...
Page 349: ...Dimension drawings 349 ...
Page 350: ...Dimension drawings 350 Frame size C D1 D2 H2 H1 W ...
Page 351: ...Dimension drawings 351 ...
Page 352: ...Dimension drawings 352 Frame size D ...
Page 354: ...354 Dimension drawings EMC filters JFI 0x ...
Page 356: ...356 Dimension drawings Brake resistors JBR xx ...
Page 358: ...358 Dimension drawings ...