Rexroth 放大器R901049737 VT-VETSY-1-10/1-2-1-1-0

Rexroth R901049737 VT-VETSY-1-10/1-2-1-1-0

电气放大器
VT-VRRA1-527-2X/V0/K40-AGC-2STV  组件系列 2X
特点:
适用于控制带有双增益的特性曲线的先导式方向控制阀;
双增益的阀特性曲线的线性化;
单杆液压缸的面积比调节;
用于安装在 19 英寸机架上的欧洲格式的模拟放大器;
可控输出级;
选通输入;
防短路输出;
调节可能性 – 零位阀;
实际值电缆的电缆断连检测;
带有 PID 调节的位置控制;
较小信号范围内的增益。

项目规划/维护说明/附加信息:
放大器板卡只有在断电后才能进行插拔;
与天线，无线电设备和雷达系统的距离必须足够（> 1 m）;
切勿在电源电缆附近铺设线圈和信号线;
我们推荐使用屏蔽电缆作为信号线和线圈导线。电缆屏蔽必须集中连接至控制柜，长度越短越好。
不能将阀线圈连接至自震荡二极管或其它保护电路;

Electric ampli? ers Model VT-VRPA1 (PV/QV) Series 1X  
– Analog ampli? ers in Eurocard format for installation in 19” rack
– Output stage with closed-loop control
– Closed-loop position control with PID action
– Rapid energizing and de-energizing for fast response times
– Enabling input – Short-circuit-proof outputs
– Open-circuit detection for feedback signal cable (partially)
– Zero and sensitivity adjustment possibilities– Material numbers:

0811405095  
0811405097  
0811405099

Electric ampli? ers Model VT-VRPA1 (PV-RTP)
Series 1X
–  Analog ampli? ers in Eurocard format for installation in 19″ rack
–  Output stage with closed-loop control
–  Closed-loop position control with PID action
–  Rapid energizing and de-energizing for fast response times
–  Enabling input–  Ramp can be adjusted and deactivated
–  Open-circuit detection for feedback signal cable
–  Short-circuit-proof outputs (partially)
–  Adjustment possibilities for zero and sensitivity, acceleration and braking ramps
– Material numbers:
0811405100  
0811405102

Electrical ampli? ers for the control of proportional pressure control valves with out electrical position feedbackModels VT-VSPA1-1 and VT-VSPA1K-1
Series 1X
– Suitable for controlling all direct and pilot operated proportional pressure control valves without electrical position feedback and only one solenoid as actuator that are available at the time of publication of this data sheet
– Differential input, can be switched between voltage and current input
– Additional command value input, 0 to + 9 V
– Ramp generator, can be adjusted separay for up and down
– Clocked output stage
– Message”ready for operation” (VT-VSPA1K-1 with LED indica-tor lamp only)
– Reverse polarity protection for voltage supply
– Cable break detection for current input 4 to 20 mA
– Short-circuit protection of solenoid cable
– Cable break detection for solenoid cable

Electrical ampli?ers
Models VT-VSPA1-2 and VT-VSPA1K-2
Series 1X
–  Suitable for controlling pressure valves type DBET, series 6X or as universal ampli? er (see technical data)
–  Differential input (0 to +10V)–  Current input (4 to 20mA)
–  4 command value call-ups (with option A4 only)
–  Ramp generator, with separay adjustable “up/down” ramp time
–  External ramp time preselection–  Enable input
–  Clocked current output stage–  Signal “ready for operation”
–  Reverse polarity protection of the supply voltage

–  Short-circuit protection of the solenoid cable
–  Solenoid cable break detection

Analog ampli? er cardModel VT-VSPA2-1-2X/…
Series 2X
– Suitable for controlling valve types 4WRA sizes 6 and 10, series 2X and 4WRZ series 7X
– Built-up in the form of a board in the Euro-format
– Command value inputs:  • Differential input ± 10 V  • Four command value inputs,    ± 10 V that can be called up  • Current input 4 to 20 mA  
– Inverting the internal command value signal via the 24V input or jumper
– Selecting the ramp time via quadrantal recognition (24V input) or ramp time call-ups (24V inputs) (option T5)
– Switching over the ramp time range via jumpers
– Characteristic curve correction by separay adjustable jump heights and maximum values
– Enable input
– ”Ramp on/off“ input

dual solenoid driverModel MDSD
Series 2X
– Wide supply voltage range: 10–28 VDC
– On board, replaceable fuse
– Reverse voltage protection – Pulse Width Modulated (PWM) outputs
– PWM frequency adjustable from 75–275 Hz
– Max. and min. current separay adjustable for both solenoids
– High current driver, regulated to within 1.0%, continuous op er a tion– In? nite duration short circuit protection on both outputs
– Reference voltage provided for control via an external potentiometer (>1K Ohm)
– Differential inputs for external voltage sources (±2.5 or ±5.0 VDC)
– Neutral position deadband for joysticks
– Ramp time 0.2 to 10.0 sec., separay adjustable for both solenoids (A = up/down; B = up/down)
– All adjustments are made via multi-turn potentiometers
– EMI/RFI resistant
– Rugged, environmental packaging
– Temperature range: –25 to 80 °C (–13 to 176 °F)