Bosch rexroth VT-MSPA2-2X/A5/1A5/000 - Block Circuit Diagram of VT-MSPA2-2 X

RE 30232-02-B, Edition 02.2021, Bosch Rexroth AG
Commissioning | Valve amplifier VT-MSPA2-2X 19/36
8.1 BLOCK CIRCUIT DIAGRAM OF VT-MSPA2-2X
Fig. 4: Block diagram
1 Mains adapter 2 Differential amplifier 3 Command value
summator
4 Zero point adjustment 5 Inversion 6 Simple ramp 7 4-quadrant ramp 8 Command value attenuator 9 Characteristic curve
generator
10 Flow controller 11 Clock pulse generator 12 Output stage 13 Enable or inversion or ramp off or 4Q ramp 14 Switching logic/error detection 15 Digital output
XH1
X2A
XH2
X2A
XH2
A
B
XH1
V
1 2
10
9 5 6
12 11
Zw -1
(1)
(2)
(5)
(11)
(12)(10) (12)(10)
(9) (9)
(7) (6)
(8)
(14)
(13) (15)
(4) (3)
8
4 3
7
U
U
0V
+24V
+U
KBA
tt
tt
t
tt
tt
I
A
I
A –
I
B
I
B
t
KBB
KBA KBB
MO
-U
U
U(I)
U
U
U
U
ab
U
U
U
U
+In
-In
DI
-Out
+Out
G
x
y
B
S
G
PWM
PID
PWM
PID
B
S
G
Enable
Logic
Actual
value
Supply voltage
Digital input
Test jack
Cable break Cable break
Enable
Enable
Ready
For valves with only one solenoid, connection XH1 is used!