博世力士樂 R909890143 (7202) 比例閥放大器 PVR:24F/11 液壓控制放大板
Rexroth 力士樂 R909890143 比例閥驅(qū)動模塊 PVR24F/11 24V 直流供電
博世力士樂 R909890143 (7202) PVR:24F/11 液壓系統(tǒng)比例放大器
力士樂 R909890143 比例閥控制放大器 PVR24F/11 工業(yè)液壓執(zhí)行單元
Bosch Rexroth R909890143(7202) Proportional Valve Amplifier PVR:24F/11 Hydraulic Control Board
Rexroth R909890143 Proportional Valve Driver Module PVR24F/11 24V DC Power Supply
Bosch Rexroth R909890143(7202) PVR:24F/11 Special Proportional Amplifier for Hydraulic System
Rexroth R909890143 Proportional Valve Control Amplifier PVR24F/11 Industrial Hydraulic Actuation Unit
MNR:R909890143 (7202) 是博世力士樂(Bosch Rexroth)的 PVR24F/11 比例閥放大板(放大器模塊),主要用于驅(qū)動比例電磁鐵,實(shí)現(xiàn)液壓閥的流量 / 壓力連續(xù)控制。
中文:博世力士樂(Bosch Rexroth)R909890143 (7202) 比例閥放大板,PVR24F/11,24VDC,適配比例電磁鐵
英文:Bosch Rexroth R909890143 (7202) Proportional Valve Amplifier Card, PVR24F/11, 24VDC, for Proportional Solenoids
品牌:博世力士樂(Bosch Rexroth)型號:MNR: R909890143(7202)變體:PVR: 24F/11產(chǎn)品類型:比例閥放大板(放大器模塊)核心用途:將控制信號放大,驅(qū)動比例電磁鐵,用于液壓比例閥(流量 / 壓力 / 方向)控制。
電氣參數(shù)
| 參數(shù)項(xiàng) | 規(guī)格 | 說明 |
|---|---|---|
| 供電電壓 | 18–33 VDC | 典型 24 VDC 系統(tǒng) |
| 空載功耗 | 約 30 mA | 低待機(jī)損耗 |
| 大輸出電流 | 750–1500 mA | 單路輸出,負(fù)載相關(guān) |
| 輸入信號 | 0–8.5 V | 適配比例閥控制指令 |
| 斜坡時間 | 0.1–10 s,可調(diào) | 控制升降速,減少沖擊 |
| 死區(qū) | 4.25 V ±0.1 V(單電位計(jì)) | 輸出關(guān)斷閾值,防誤動作 |
| 保護(hù)功能 | 反極性、保險絲、浪涌抑制 | 提升可靠性 |
功能與特性
單路 PWM 輸出級,適配單電磁鐵比例閥;雙電磁鐵應(yīng)用時分時驅(qū)動。
內(nèi)置斜坡發(fā)生器,可獨(dú)立調(diào)節(jié)上升 / 下降斜坡時間。
支持外部電位器調(diào)節(jié),適配 1 kΩ–10 kΩ 阻值。
適用于 4WR、4WRE 等系列比例方向閥,用于開環(huán)壓力 / 流量控制。
環(huán)境與物理
| 參數(shù)項(xiàng) | 規(guī)格 | 說明 |
|---|---|---|
| 工作溫度 | -25 °C ~ +70 °C | 工業(yè)環(huán)境適用 |
| 重量 | 約 0.15–0.16 kg | 輕量化設(shè)計(jì) |
| 安裝 | 板載 / 集成安裝 | 適配液壓閥組 / 控制柜 |
Brand: Bosch RexrothPart Number: MNR: R909890143(7202)Variant: PVR: 24F/11Type: Proportional Valve Amplifier CardCore Function: Amplifies control signals to drive proportional solenoids for hydraulic flow/pressure/direction control.
Electrical
| Parameter | Specification | Note |
|---|---|---|
| Supply Voltage | 18–33 VDC | Typical 24 VDC system |
| No-load Consumption | ~30 mA | Low standby loss |
| Max Output Current | 750–1500 mA | Single channel, load-dependent |
| Input Signal | 0–8.5 V | Matches proportional valve command |
| Ramp Time | 0.1–10 s, adjustable | Controls ramp-up/down for smooth actuation |
| Dead Band | 4.25 V ±0.1 V (1 potentiometer) | Output disable threshold to prevent false actuation |
| Protection | Reverse polarity, fuse, surge suppression | Enhances reliability |
Features
Single PWM output stage; for single solenoid valves; dual-solenoid operation via time-division drive.
Onboard ramp generator with independent rise/fall adjustment.
External potentiometer adjustment compatible with 1 kΩ–10 kΩ resistance.
Suitable for 4WR, 4WRE series proportional valves for open-loop pressure/flow control.
Environment & Physical
| Parameter | Specification | Note |
|---|---|---|
| Operating Temp | -25 °C ~ +70 °C | Suitable for industrial environments |
| Weight | ~0.15–0.16 kg | Lightweight design |
| Mounting | On-board/Integrated | Fits valve manifold/control cabinet |
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