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Rotary switch
Valve type
position
(two solenoids)
0
No valve
1
DBET-6X...XE
2
4WRA6...XE
3
3DREP 6...XE
4
4WRZ...XE
9
Universal (1.0 A)
DI
t
Z/B
G
S
Commissioning | Valve amplifier VT-MSPA2-2X
8.2.2
Test jacks
I
Actual current in solenoid B (VT-MSPA2-2X)
B
I
Actual current in solenoid A (VT-MSPA2-2X)
A
⊥
Reference potential
v
Internal command value or set value
8.3
SELECTING THE VALVE TYPES
When setting a valve, the operator generally must ensure that no command
value and no enable is applied to the VT-MSPAx-2X!
The desired valve type has to be selected by means of the two rotary switches, see
item 4. The left-hand rotary switch sets the tens place, the right-hand rotary switch
the units place of the item. While you make the settings, test jack "v" outputs the
selected rotary switch position as a voltage value in 100-mV increments.
The following valve types are available.
VT-MSPA2-2X
Standard
t
Z
G
4Q
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If no valve type is selected, the LEDs signal the status shown on the left. The
yellow LEDs rotate clockwise in pairs.
The ready LED blinks red/green, if the valve number saved last and the
current rotary switch position do not match!
The amplifier is active and utilizes the parameters of the valve type saved last.
Remedy:
If you wish to change the valve, remove the command value and the enable,
press key [Set] > 1 sec and accept the new valve type.
If the rotary switch position was changed accidentally, reset it to the original
valve number.
→ The ready LED is lit green.
In both cases, check the actually connected valve!
Whenever a valve is changed, all editable parameters are reset to factory
settings!
Expert
t1
t2
t3
t4
GB
GA
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RE 30232-01-B, Edition 04.2020, Bosch Rexroth AG
21 | 36
SB
SA
B
f
Inv
DI
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