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7.5 Switching diagram
7.5.1 With start-up delay and coupled voltage supplies
SP + Hy
SP
I
II
III
IV
SP – Hy
1
2
3
[Hz]
[s]
A
B
1: Voltage supply speed monitor (coupled to the motor)
2: Start-up delay
3: Switching functions
A
B
Input frequency as an indication of speed
Time
= relay energised, i
�
e
�
switched (transistor output switched)
UK
Содержание AR003
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