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Indicator lamps
Operational state
Normal operation
LED
"Enable"
Setup
(yellow)
Setup
Normal operation
LED
"ready" (red/
Normal operation
green)
Normal operation and setup Blinking red/green
Normal operation and setup Blinking red
Normal operation
Setup
Rotary switch
position
0
No selection
1
2WFC16...-1X
2
2WFC25...-1X
3
2WFC32...-1X
4
2WFC40...-1X
5
2WFC50...-1X
t
Z
G
x
Display mode
Permanently ON/OFF
Flashing
OFF
Permanently on green
Permanently on red
OFF
Flashing green
8.2.2 Test jacks
x
Current actual value
w
Internal command value
⊥
Reference potential
v
Internal command value or set value
8.3 Selecting the valve sizes
When selecting a valve, the operator generally must ensure that no command value
and no enable is applied to the VT-MRPA1!
The desired valve size has to be selected by means of the rotary switch, see Abb. 4
item 4. 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 sizes are available.
Standard
Size
t
–
●
●
●
●
●
When the rotary switch is set to position "0", the LEDs signal the status shown on
the left. The yellow LEDs rotate clockwise in pairs.
Meaning
Status of enable input
Standard setup active
Expert setup active
Module ready for operation
Error
Valve number changed (but not confirmed)
Invalid valve number
Module not ready for operation
Expert setup active
VT-MRPA1-2X
Z
G
2Q
–
–
–
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
RE 30220-B/05.2019, Valve amplifier VT-MRPA1, Bosch Rexroth AG
Commissioning
Expert
t1
t2
Zx
–
–
–
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
21/36
Gx
–
●
●
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●
●
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