Operating instructions

Functions
5.2 Inverter control
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
85
Table 5- 1 Comparison of the methods for two-wire motor control
Control commands
0RWRU
URWDWLQJ
&:
0RWRU
URWDWLQJ
&&:
0RWRUVWRSV 0RWRUVWRSV
Description
Two-wire control, method 1 (P0727=0)
0RWRURQ
5HYHUVHPRWRU
1. Control command: Switch the motor on
or off
2. Control command: Reverses the motor
direction of rotation
Two-wire control, method 2 (P0727=0)
If CW and CCW rotation are selected simultaneously, the signal that was issued first has priority. The
second signal is ignored.
The motor cannot be reversed as long as it is still rotating.
0RWRURQ
&:
0RWRURQ
&&:
W
W
1. Control command: Switch on or switch
off the motor CW rotation
2. Control command: Switch on or switch
off the motor CCW rotation
Two-wire control, method 3 (P0727=1)
When CW and CCW are simultaneously selected, the motor is stopped.
Reversing is possible at any time.
0RWRURQ
&:
0RWRURQ
&&:
W
W
1. Control command: Switch on or switch
off the motor CW rotation
2. Control command: Switch on or switch
off the motor CCW rotation