Bosch Rexroth AG VT 3000 Скачать руководство пользователя страница 6

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+ 100 %

+ 50 %

+ 1 %

– 1 %

– 50 %

– 100 %

200

600

800

400

ramp time

5 s

1 s

= bridge

= open

= delivery state

2,5 A T

0 ... ± 6 V
mV = mA
mV = mA

VT 30XX

H11
H1

Bosch Rexroth AG

Hydraulics

VT 3000 RE 29935/10.12

Output curve

Solenoid „A“

Solenoid „B“

← Command value in % →

Output current in mA →

Indicator / Adjustment elements

Max. ramp time-
approx. 1 s or 5 s

Biasing current-
solenoid „A“

Biasing current
solenoid „B“

LED lamps:
H1

Call-up command value 1

Call-up command value 2

Call-up command value 3

Call-up command value 4

H11

Operating voltage „Power on“ (yellow)

H12

Indication „Ready for operation“ (green)

Potentiometer:
w1

Command value 1

Command value 2

Command value 3

Command value 4

Ramp time

Measuring sockets:
W

Command value solenoid current

Actual current value solenoid „A“

Actual current value solenoid „B“

Meaning of the jumpers on the card for the settings

Meaning of the jumpers on the card for the settings

Note:

The loss of unused jumpers can be avoided by plugging
these jumpers into only one pin.

jumper plugged in

Jumper open

delivery condition

Rampenzeit

Содержание VT 3000

Страница 1: ...table with potentiometers Four command value call ups with LED display Differential input Step function generator Ramp generator Two pulsed current output stages Polarity protection for the voltage supply Note When supplied the amplifiers have a ramp time of 5 s setting of the ramp time of 1 s see page 6 Contents Page Features 1 Ordering code 2 Functional description 2 Block circuit diagram pin al...

Страница 2: ...lue is called up simultaneously the input with the highest num ber has priority Example If command value 1 and command value 3 are activated simultaneously the command value 3 becomes effective A further output of the card provides a supply voltage for the command value call ups which can be switched over from 9 V to 9 V with the relay K6 1 All relays on the card are switched with 24 VDC smoothed ...

Страница 3: ...d A voltage of 6 V at the command value test point W corresponds to a com mand value of 100 A positive command value signal at the input of the amplifier controls the output stage for solenoid B a negative com mand value signal the output stage for solenoid A If the command value signal is smaller than 1 step function still ineffective a pilot current of 20 mA flows through both sole noids The act...

Страница 4: ...d by 9 V compared to 0 V operating voltage Call up command value 1 Call up command value 2 Call up command value 3 Call up command value 4 Call up Ramp off Call up Switch over aux voltage Relay call up voltage 24 V Current command value at w 0 to 6 V for solenoid A 0 to 6 V for solenoid B Current actual value I A at I A Current actual value I B at I B Biasing current solenoid A Solenoid A Solenoid...

Страница 5: ... loadable Measuring sockets Current command value W U 6 V Ri 5 kΩ Current actual value IA IB UA UB 0 to 800 mV equivalent 0 to 800 mA Relay data Nominal voltage U operating voltage UB Threshold voltage U 16 8 V Return voltage U 2 4 V Coil resistance R 2150 Ω Type of connection 32 pin terminal strip DIN 41612 form D Card dimensions Euro card 100 x 160 mm DIN 41494 Front plate dimensions Height 3 HE...

Страница 6: ...command value 1 H2 Call up command value 2 H3 Call up command value 3 H4 Call up command value 4 H11 Operating voltage Power on yellow H12 Indication Ready for operation green Potentiometer w1 Command value 1 w2 Command value 2 w3 Command value 3 w4 Command value 4 t1 Ramp time Measuring sockets W Command value solenoid current IA Actual current value solenoid A IB Actual current value solenoid B ...

Страница 7: ... operating voltage When switching command values use relays with gold contacts small voltages small currents When switching card relays only use contacts with a loadability of approx 40 V 50 mA When controlling externally the control voltage may have a maximum residual ripple of 10 Always screen command value lines connect screen to 0 V operating voltage on the card side other side remains open da...

Страница 8: ...e reproduced or given to third parties without its consent The data specified above only serve to describe the product No statements concerning a certain condition or suitability for a certain application can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subject to a n...

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