Information on this product 15/40
RE 30110-B/11.2012, VT-VSPA2-1-2X/V0/T., Bosch Rexroth AG
Fig. 2: Block diagrams/pin assignments of the amplifier card VT-VSPA../T5
1 Power supply unit
2 Differential input
3 Current input
4 Command value selec-
tionlogic
5 Zero point setting
6 Command value summation
Ramp on/off
4-quadrant
operation
Ramp call-ups
Inversion
enable
Operating
voltage
Command value 4
Command value 3
Command value 2
Command value 1
Enable
Error detection
Enable
Reserved
Actual current value
Reserved
Ready for operation
+10 V/25 mA
–10 V/25 mA
M0
System earth
Measurement signal
Reserved
Internal command value
Solenoid b
Solenoid a
7 Command value inversion
8 Enable function
9 Ramp generator
10 Characteristic curve
generator
11 Amplitude limiter
12 Command value output
13 Clock generator
14 Actual current value output
15 Current controller
16 Power output stage
17 Fault recognition
18 Measuring point
switch-over
19 Ramp time selection logic
ok1 Output stage enable signal
ok2 Card monitoring
External ramp
time
Command value 5
± 10 V
Command
value call-ups
Command value 6
4-20 mA
Controller
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