Block Diagram - REXROTH VT-HACD-3-2 Series Manual

Digital closed-loop control electronics
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Bosch Rexroth AG Hydraulics
Block diagram: Mode 3 - structural editor
1
1a
AI1+
U/I
AI1–
U
AI2+
U/I
AI2–
U
AI3+
U/I
U
AI3–
AI4+
U/I
U
AI4–
AI5+
U/I
U
AI5–
AI6+
U/I
U
AI6–
1CLK+
2
1CLK–
SSI1
1D/A+
1D/A–
2CLK+
2
2CLK–
SSI2
2D/A+
2D/A–
2
1D/A+
1D/A–
2D/B+
INC
2D/B–
Z+
Z–
DI1
DI2
DI3
DI4
DI5
DI6
DI7
DI8
3
Enable
18 -30 V
GND
GND
1 Analog inputs voltage or current
1a High-impedance input AI1
2 SSI or incremental
3 Release input and digital inputs
4 Adjustment analog inputs
5 Switching matrix
6 Math. linking of the inputs
4
IN1
6
+, –, *, /
IN2
MIN, MAX
C1-1
C1
Limit, Jump
C1-2
T1 Lag
IN3
+, –, *, /
FB1-1
FB1
MIN, MAX
FB1-2
Limit, Jump
IN4
Ratio
T1 Lag
IN5
IN6
6
+, –, *, /
MIN, MAX
C2-1
C2
Limit, Jump
C2-2
T1 Lag
SSI
+, –, *, /
FB2-1
FB2
MIN, MAX
FB2-2
Limit, Jump
Ratio
T1 Lag
SSI
6
+, –, *, /
MIN, MAX
C3-1
C3
Limit, Jump
C3-2
T1 Lag
+, –, *, /
FB3-1
FB3
MIN, MAX
INC
FB3-2
Limit, Jump
Ratio
T1 Lag
3
PWR RUN
DC
DC
7
1
Command value internal + variable
Velocity +/–
Acceleration +/–
LFB1 = variable
Controller parameter
2
Command value internal + variable
Velocity +/–
Acceleration +/–
LFB2 = Variable
Controller parameter
3
Command value internal + variable
Velocity +/–
Acceleration +/–
LFB3 = Variable
Controller parameter
Digital inputs
Digital outputs
Thresholds
Internal flags
Dwell time
Block time
AND
Trigger condition 1
Trigger condition 2
OR
7 32 blocks for command value generation,
controller parameter switching
8 Math. linking and/or controller
9 Substitutional closed-loop control
10 Direction-dependent gain
11 Characteristic curve adjustment
VT-HACD-3-2X RE 30543/12.10
LC1
LFB1
LC2
LFB2
LC3
LFB3
Error
RS 232
PROFIBUS
Ethernet

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