Bosch Rexroth VT-VSPA2-1-2X Series - Page 5

d26
b20 d10 d12 d14 d16 d24 d28 b14 b16 b22 b24 b8 b6 b4 b2 d2 d4 d6 d8 b10 d18 z30 z32
+15 V
w3
L0
Zw
UL
t1
t2
t3
t4
t
DC
DC
+15V +7,5 V +5V
M0
5 V 7,5V 15 V
2
6
1
i
u
3
w4
w2
w1
4
+ 
+ 
0 V
t
F
J1
9
5
1 2 3 4
Gw+
S+
S-
Gw-
10
J4
J3
w
d30
I
z22
z6 z8 z2 z4
ok1
z18 z12 z14 z16
I
z10
d32 d20 d22 b32 b30 b26 b28
z20
t
F
UL
z24 b18 z28 z26
&
ok1
17
14
13
15
12
11
16
8
 1
24 V
7
ok2
u
u
u
u

+
b12
U
J2
T
J6
J5
f
J7
J8
J9
-1
ok2
max t
Block circuit diagram / connection allocation; VT-VSPA2-1-2X/V0/T1
Com. value 4 Com. value 3 Com. value 2 Com. value 1
Ramp time external
Com. value 5 ±10 V Com. value 6 4-20 mA
Com. value call-ups Inversion Enable Operating voltage
Reserved
Internal com. value
Reserved
Solenoid b
Solenoid a
Actual value Reserved Operational +10 V / 25 mA –10 V / 25 mA
Measurement signal Ramp time M0 System earth
UP/DOWN
Enable
Enable
Fault recognition
Controller
Ramp on/off
4/10 Bosch Rexroth AG Hydraulics VSPA2-1-2X RE 30110/05.12
1 Power supply 2 Differential input 3 Current input 4
Com. value selection logic
5 Zero point adjustment
6 Com. value summation 7 Com. value inversion 8 Enable function 9 Ramp generator 10
Characteristic curve generator
11 Amplitude limiter 12 Com. value output 13 Clock generator 14 Act. current output 15 Current controller 16 Current output stage
17 Fault recognition ok1 enable Output stage ok2 monitoring Amplifier