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Parameters
4Q ramp t2,
2nd quadrant
(positive command value,
falling)
4Q ramp t3,
3rd quadrant (negative
command value,
increasing)
4Q ramp t4,
4th quadrant (negative
command value, falling)
Command value attenuator
GB for solenoid B (positive
command value)
Command value attenuator
GA for solenoid A (positive
command value)
Step height SB, positive
command value (solenoid
B)
Step height SA, negative
command value (solenoid
A)
Biasing current B (solenoid
A + B)
PWM frequency, relative, f
Universal valves: absolute
LED
Description
indicator
lamps
DI
t
t
t
Z/B
t
G
S
t
t
DI
t
t
t
Z/B
t
G
S
t
t
DI
t
t
t
Z/B
t
G
S
t
t
B
DI
G
t
Z/B
G
S
DI
A
G
t
Z/B
G
S
DI
B
t
Z/B
G
S
S
A
DI
t
Z/B
G
S
S
DI
A
t
Z/B
G
S
v
DI
t
PWM
Z/B
G
S
t
Commissioning | Valve amplifier VT-MSPA2-2X
Editable
parameter
Ramp time
2nd quadrant 1)
Ramp time
3rd quadrant 1)
Ramp time
4th quadrant 1)
Command value
attenuator
Solenoid B
Command value
attenuator
Solenoid A
Step height,
solenoid B
Step height,
solenoid A
Biasing current
B
of solenoid A and
solenoid B
v
PWM frequency,
relative
Universal valves,
absolute
RE 30232-01-B, Edition 04.2020, Bosch Rexroth AG
25 | 36
Output at test jack v
0/10 ms...1000 ms:
0/10 mV...1.00 V (1 s/V)
1 s...5 s:
1.0 V...5.0 V (1 s/V)
5 s... 30 s
5.0 V ... 10 V
U = 0.2 V/s * t + 4 V
0/10 ms...1000 ms:
0/10 mV...1.00 V (1 s/V)
1 s...5 s:
1.0 V...5.0 V (1 s/V)
5 s... 30 s
5.0 V ... 10 V
U = 0.2 V/s * t + 4 V
0/10 ms...1000 ms:
0/10 mV...1.00 V (1 s/V)
1 s...5 s:
1.0 V...5.0 V (1 s/V)
5 s... 30 s
5.0 V ... 10 V
U = 0.2 V/s * t + 4 V
70...110 %:
0.70 V...1.10 V
70...110 %:
0.70 V...1.10 V
Biasing current...50 %:
0...5.0 V
Biasing current...50 %:
0...5.0 V
0...step height %:
0...5.0 V
80 % to 120 % of the
nominal frequency
0.8 V...1.2 V
0.95 V...5.05 V (100 Hz/V)
95 Hz ... 505 Hz
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