Burkert Type 8640 - Manual (Page 111)

111
Valves
Valve switching time
T
ON
T
OFF
t
Figure 78: Valve switching time
If the valve is switched on for longer than 3 seconds, there are no restrictions for the duration until the valve is
switched on again.
For exact specification see data sheet of the particular valves.
22.1.1. Fluid connection
Type 6524
X*
3/R
2/A
1/P
Design the pressure supply with
the largest possible volume!
X* - pilot control
Type 6525
X*
5/R
4/A
1/P
2/B
3/S
Figure 79: Fluid connection. Types 6524 and 6525
22.1.2. Fluid and electrical connection
Type 6524
(2 x 2/3-way valve)
12
14
-Pin coil 12
controlled via bit „n + 1“
+Pin
-Pin coil 14
controlled via bit „n“
X*
5/R
4/A
1/P
2/B
3/S
Bit „n + 1“
Bit „n“
Observe pin
assignment! Hand lever
assignment
X* - pilot control
Figure 80: Fluid and electrical connection. Type 6524
english
Type 8640