Siemens CU240S PN-F - Two-Wire Control, Method 1

Functions
5.2 Inverter control
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
87
5.2.2 Two-wire control, method 1
Function description
This control method uses two control commands as permanent signals.
One control command starts/stops the motor, while the other control command changes the
direction of rotation.
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R
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Figure 5-2 Two-wire control using digital inputs, method 1
Table 5- 3 Function table
Motor ON Reverse
motor
Function
0 0 OFF1: The motor decelerates to a standstill
0 1 OFF1: The motor decelerates to a standstill
1 0 The motor accelerates to the setpoint
1 1 The motor accelerates to the inverted setpoint
Table 5- 4 Parameterizing the function
Parameter Description
P0700 = 2 Controls the motor using the digital inputs of the inverter
P0727 = 0 Two-wire control, method 1 or 2
P0701 = 1 The motor is power-up with digital input 0
Further options:
The motor can be powered-up with any other digital input, e.g. with digital input 3 via
P0704 = 1
P0702 = 12 The motor is reversed with digital input 1
Further options:
The motor can be reversed with any other digital input, e.g. with digital input 3 via
P0704 = 12