RE 30232-01-B, Edition 04.2020, Bosch Rexroth AG
Commissioning |
Valve amplifier VT-MSPA2-2X
25 | 36
Parameters
LED
indicator
lamps
Description
Editable
parameter
Output at test jack v
4Q ramp t2,
2nd quadrant
(positive command value,
falling)
t
Z/B
G
S
DI
t
t
t
t
t
Ramp time
2nd quadrant 1)
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
4Q ramp t3,
3rd quadrant (negative
command value,
increasing)
t
Z/B
G
S
DI
t
t
t
t
t
Ramp time
3rd quadrant 1)
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
4Q ramp t4,
4th quadrant (negative
command value, falling)
t
Z/B
G
S
DI
t
t
t
t
t
Ramp time
4th quadrant 1)
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
Command value attenuator
GB for solenoid B (positive
command value)
t
Z/B
G
S
DI
G
B
Command value
attenuator
Solenoid B
70...110 %:
0.70 V...1.10 V
Command value attenuator
GA for solenoid A (positive
command value)
t
Z/B
G
S
DI
A
G
Command value
attenuator
Solenoid A
70...110 %:
0.70 V...1.10 V
Step height SB, positive
command value (solenoid
B)
t
Z/B
G
S
DI
B
S
Step height,
solenoid B
Biasing current...50 %:
0...5.0 V
Step height SA, negative
command value (solenoid
A)
t
Z/B
G
S
DI
A
S
Step height,
solenoid A
Biasing current...50 %:
0...5.0 V
Biasing current B (solenoid
A + B)
t
Z/B
G
S
DI
B
A
v
v
Biasing current
of solenoid A and
solenoid B
0...step height %:
0...5.0 V
PWM frequency, relative, f
Universal valves: absolute
t
Z/B
G
S
DI
PWM
t
PWM frequency,
relative
Universal valves,
absolute
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
