Configuration Manual AC Induction Motors 1PH4 - Siemens ...

Motor Components
3.4 Gearboxes
3.4.4 Electrical connection
3-70
Power supply for the selector unit: 24 V DC �10 %
The mechanical selector unit requires a separate supply.
2
Fig. 3-6 Circuit diagram
3
4
5 6
M
– S1 S2
Connector (incl. in the scope of supply): Manufacturer, Harting; 7–pin + PE, type HAN 7D
Table 3-8 Explanation of the connections
Connector
contact
No.
Number and
designation
In–
put
Out–
put
PE
Voltage Current
2 and 3 1 selector unit 0 – 24 V DC I max = 5 A
(inrush current)
4 and 6 2 limit
switches
0 0 24 V DC
U max =42 V DC
Table 3-9 Control sequence when selecting the gearbox stage
I max = 5 A
Gearbox stage selection Connector contact No.
2 3 4/5
(S1)
When changing the ratio from stage i2 to i1 a Initial setting (f)
b Selection sequence
c Mechanical selection
carried–out up to endstop 1)
When changing the ratio from stage i1 to i2 d Initial setting (c)
e Selection sequence
f Mechanical selection
carried–out up to endstop 1)
L Contact closed 0 Contact open
+24 V DC 0 V 0
0
L
0 V +24 V DC L
0
0
1) A limit switch (S1 or S2) sends a signal to the control after selection to switch out the selector unit.
5/6
(S2)
© Siemens AG 2003 – 2006 All rights reserved
AC Induction Motors, 1PH4 (APH4) – 04.06 Edition
L
0
0
0
0
L