BOSCH REXROTH
0811405148
- BOSCH REXROTH
- Material:0811405148
- Model:VT-VRRA 1-527-1X/V0/RV
Due to extremely high demand, please call 877-366-7226 for availability
The Bosch Rexroth VT-VRRA 1-527-1X/V0/RV (0811405148) is a sophisticated hydraulic control device designed to deliver precise closed-loop position control with PID characteristics, ensuring high accuracy and stability in hydraulic systems. This model features a controlled output stage that allows for rapid energization and deletion, resulting in exceptionally short actuating times which is crucial for dynamic applications requiring quick responses. It is equipped with an enable input function that provides an additional layer of operational safety, allowing the device to be activated only when it is safe and necessary to do so. The unit's outputs are short-circuit-proof, enhancing its reliability and longevity even in demanding industrial environments. Additionally, the Bosch VT-VRRA 1-527-1X/V0/RV offers an adjustable zero point for calibration purposes, ensuring that users can fine-tune the system for optimal performance. A notable safety feature of this model is the cable break detection for the actual value cable; this function monitors the integrity of the connection and alerts the system to any faults that could compromise accurate position feedback or control. Designed with precision engineering, this product is suitable for a range of applications where accurate positioning is critical. Its fast response times and robust design make it ideal for use in advanced hydraulic systems where efficiency and precision are paramount. The integration of these features into one compact unit underscores Bosch's commitment to providing innovative solutions that enhance system performance while maintaining safety and reliability. In summary, the Bosch VT-VRRA 1-527-1X/V0/RV (0811405148) offers advanced control capabilities for hydraulic systems requiring precise positioning with fast actuation times, robust safety features including short-circuit protection and cable break detection, all while enabling easy adjustments through an adjustable zero point feature.
|
01 |
Valve amplifier for high-response valves with one solenoid, analog, euro-card format |
VT-VRRA1 |
|
02 |
For valves: 4WRPH 6…L-1X |
527 |
|
03 |
Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) |
1X |
|
04 |
Version: standard |
V0 |
|
05 |
Control 0…±10 V |
No code |
|
Control +3.5…6.5…9.5 V |
RV |
|
|
01 |
02 |
03 |
04 |
05 |
||||
|
VT-VRRA1 |
‒ |
527 |
‒ |
1X |
/ |
V0 |
/ |
General
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | ||
|
Component series |
1X | |||
|
Material number |
Data sheet |
1819929076 | ||
|
Type of electronics |
Analog | |||
|
Design |
Euro-card | |||
Voltage supply
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Operating voltage |
nominal |
U |
V |
24 | |
|
Lower limit value |
UB(t)min |
V |
21 | ||
|
Upper limit value |
UB(t)max |
V |
40 | ||
|
Ripple 1) |
% |
< 10 | |||
|
Power consumption |
P |
VA |
35 | ||
|
Current consumption |
max. |
Imax |
A |
1.5 | |
| 1) | In case of ripple > 10 %, an upstream smoothing capacitor is required (recommendation: capacitor module VT 11110) |
Analog inputs
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | ||||
|
Command value |
Voltage |
Differential input |
U |
V |
0 ... ±10 | 3.5 ... 9.5 |
|
grounded on one side, first input |
Ucommand |
V |
3.5 … 9.5 | |||
|
grounded on one side, second input |
Ucommand |
V |
0 … ±10 | |||
|
Actual value valve |
Voltage |
U |
V |
10.4 (8 kHz) | ||
Digital inputs
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Enable 1) |
On (active) |
U |
V |
8.5 ... 40 | |
| 1) | RE = 100 kΩ |
Analog outputs
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Test point |
Actual value |
U |
V |
0 ... ±10 | 3.5 ... 9.5 |
Digital outputs
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Cable break error message |
No error 1) |
UB |
V |
24 | |
|
Error |
UB |
V |
0 | ||
| 1) | Imax = 100 mA |
Solenoid outputs
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Solenoid current |
max. |
Imax |
A |
2.7 | |
|
Solenoid output |
other properties |
Short-circuit-proof | |||
|
Cable length |
for 1.5 mm2 |
L |
m |
20 | |
|
for 2.5 mm2 |
L |
m |
60 | ||
Position transducer
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Cable length |
Position transducer |
L |
50 m at 100 pF/m | ||
Adjustment options
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | ||
|
Zero point calibration setting range |
% |
± 10 |
Displays
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | ||
|
LED display |
Green 1 |
Enable | ||
|
Yellow 1 |
Cable break actual value | |||
|
Red |
UB too low | |||
Other information
|
Type / version |
VT-VRRA1-527-1X | VT-VRRA1-527-1X...RV | |||
|
Reference voltage |
Potentiometer supply |
U |
V |
10 and 15 (Imax = 50 mA) | |
|
Special features |
Short-circuit-proof outputs, cable break detection for actual value line, position control with PID behavior, fast energization and fast deletion for short actuating times | ||||
|
Anschlussart |
32-pin male connector, DIN 41612, form F | ||||
|
Ambient temperature range |
ϑ |
°C |
0 … 70 | ||
|
Storage temperature range |
ϑ |
°C |
-20 … 70 | ||
|
Weight |
m |
kg |
0.35 | ||
For applications outside these parameters, please consult us!
Dimensions in mm
Dimensions in mm
The amplifier card may only be unplugged and plugged when de-energized.
The distance to aerial lines, radios, and radar systems has to be at least 1 m.
Do not lay solenoid and signal lines near power cables.
For signal lines and solenoid conductors, we recommend using shielded cables.
The cable shield must be connected to the control cabinet extensively and as short as possible.
The valve solenoid must not be connected to free-wheeling diodes or other protection circuits.
The cable lengths and cross-sections specified in the technical data must be complied with.
Wiring information
Power zero b2 and control zero b12 must be separately led to the central ground (neutral point).