Restoring The Vt-Mrpa1-2X To Factory Settings - Bosch REXROTH VT-MRPA1-2X Owner's Manual

26/36 Commissioning
Parameter
2Q ramp t2,
2nd quadrant
([positive command value],
falling)
Actual value zero point Zx
Actual value sensitivity Gx
t
Z
G
x
t
Z
G
x
Bosch Rexroth AG, Valve amplifier VT-MRPA1, RE 30220-B/05.2019
LED Description
indicator
lamps
t t
t
Z
t
G
x
Zx
t
Z
G
x
Gx
y
t
Z
x
G
x
1) Ramp times effective only when 2Q operating mode is activated

8.6 Restoring the VT-MRPA1-2X to factory settings

This function is available exclusively directly upon switching on the operating voltage.
It resets all customer-specific parameters of the set valve size to factory settings.
The module has to be de-energized.
1. Press [Set], hold it depressed for longer than a second and switch the supply
voltage on.
The LEDs signal the status shown on the left.
1. After some time, the LEDs switch to the status shown on the left.
The module is restored to factory settings.
2. Release [Set].
Restoring to factory settings is completed.
Editable Output at test jack v
parameter
Ramp time 0/10 ms...1000 ms:
2nd quadrant 0/10 mV...1.00 V (1 s/V)
1)
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
Actual value zero 0 %...±15 %:
point 0 V...±1.5 V (0.1 V/%)
Actual value 90 %...110%:
sensitivity 0.90 V...1.1 V