i
u
u
K5
10c
10a
8a
12a
12c
K1.1
K2.1
K3.1
K4.1
R4
R3
R2
R1
+
K6
H1
H2
K3
K2
K1
H4
H3
K4
K5
K6
16a
26c
20c
2a
18a
16c
6c
6a
4a
8c
4c
18c
30a
24a
22a
28a
32a
+U
B
26a
J5,
J6
u
2,5
A
T
20a
I
B
32c
X1
0
V
28
c
–
10
I
A
w
8
7
7
7
6
5
4
3
2
Σ
1
=
14c
14a
+9
V
M0
–9
V
9
H12
H11
F
F
F
F
1
Σ
F
F
F
F
F
X1
Σ
Σ
7
i
u
F
F
F
F
K1.2
K2
.2
K3
.2
K4.2
t4
F
t3
F
t2
F
t1
F
t5
F
/8
Bosch Rexroth AG
Hydraulics
VT 3006 RE 29926/10.06
Block circuit / pin allocation
Posit
ive comm
. value
cont
rols solenoid „
B“
Negat
ive comm
. value
cont
rols solenoid
„
A“
Ext
ernal ramp
Command value 5 ±6 V
Command value
±9 V
Command value
3 ±9 V
Command value
2 ±9 V
Command value
1 ±9 V
Command value 6 ±1
0 V
Refer
. pot
ent
ial
Different
ial
input
Aux
. volt
age ±9 V
Measuring zero (
M0) is
raised by 9 V compared t
o
0 V operat
ing volt
age!
Call-up command value 1
Call-up command value
2
Call-up command value
3
Call-up command value
Call-up
„
Ramp Off“
Call-up „Swit
ch-over aux
. volt
age“
Relay c
all-up volt
age (+2
V)
Current command value at „w“
0 t
o +6 V for solenoid „
A“
0 t
o –6 V for solenoid „
B“
Current act
ual value
I
A
at „
I
A
“
Current act
ual value
I
B
at „
I
B
“
Biasing current
solenoid „
A“
Biasing current
S
olenoid „
B“
Solenoid „
A“
Solenoid „
B“
Comm
. value
aft
er ramp
Operat
ing
volt
age
H1
to
H
=
LE
D-display for comm
. value call-ups
H1
1
=
„P
ower on“
H1
2
=
„Ready for operation“
K1
to
K6
=
C
all-up relais
R1
to
R
=
C
ommand values
t1
to
t5
=
Ramp times
1
C
ommand values
2
Differential input
3; 6
Summator
Ramp generator
5
Step function generator
7
Current output st
age
8
Pulse generator
9
Monitorings
10
P
ower supply
F = on front plate
For explanation of
jumpers (J5, J6) and
arrangement of indi
-
cator and adjustment
elements
, see page 6