User Manual Manual

3-51 Functions
Publication 825-UM001B-EN-P January 2001
Control Inputs #1 and #2
With control inputs #1 and #2, the following control and protection functions are available:
• Timer functions
• Disabling of protection functions
• Protection against stalling during starting with an external speedometer (refer to page
3-44)
• Changing over to a second rated current (two-speed motor)
Actuation
The control inputs are galvanically separated from the electronic circuits by optocouplers.
The control inputs are activated by applying 24V AC or DC to Y31/Y32 or Y42/Y42.
For further information refer to Chapter9.
Timer Functions
The following functions can be programmed:
• On Delay (t
on
) 0…240 s
• Off Delay (t
off
) 0…240 s
• On and off delay 0…240 s
Assignment of the Output Relays
• Control input #1 to output relay #2
• Control input #2 to output relay #3
Y31 (+)
Y32 (-)
Y41 (+)
Y42 (-)
Input #1
Input #2
24V AC or 24V DC; 8 mA
Pick values:
On: 12…36 V
Off: < 2 V