METSO VALM-818094

通信接口

-数字总线:FOUNDATION Fieldbus、Modbus RTU;

-无线扩展:Wi-Fi 6(支持远程固件升级)。

3.功能特性

智能控制:

-自适应PID:基于阀杆摩擦模型的参数动态优化;

-阀门特性化:支持快开/线性/等百分比曲线预设(现场可调)。

诊断与维护:

-实时监测:阀座泄漏率计算(ISO 15848标准);

描述

1.产品定位与核心功能

VALM-818094推测为高精度智能阀门定位器,定位复杂工况下的阀门精准定位与动态控制,聚焦模块化设计、多协议兼容与自适应调节算法。其核心功能包括:

控制性能:

-位置误差:±0.2%(全行程范围内);

-响应时间:≤80ms(阶跃信号响应)。

环境适应性:

-防护等级:IP67(浸水防护);

-工作温度:-40°C至+85°C(宽温型)。

2.关键技术参数

项目典型规格(参考同类产品)

输入/输出

-输入信号:4–20mA DC(HART®叠加信号);

-输出类型:气动(0.2–1MPa)/电动(可选);

供电要求

-电压范围:24V DC(±10%波动容忍);

-功耗:≤5W(峰值);

通信接口

-数字总线:FOUNDATION Fieldbus、Modbus RTU;

-无线扩展:Wi-Fi 6(支持远程固件升级)。

3.功能特性

智能控制:

-自适应PID:基于阀杆摩擦模型的参数动态优化;

-阀门特性化:支持快开/线性/等百分比曲线预设(现场可调)。

诊断与维护:

-实时监测:阀座泄漏率计算(ISO 15848标准);

-预警功能:弹簧老化预测(应力-应变曲线分析)。

节能设计:

-气动节能模式:保位时气耗降低60%;

-休眠唤醒:无信号输入1小时进入低功耗状态。

1.Product positioning and core functions

VALM-818094 is speculated to be a high-precision intelligent valve positioner that locates the precise positioning and dynamic control of valves under complex working conditions,focusing on modular design,multi-protocol compatibility and adaptive adjustment algorithm.Its core functions include:

Control performance:

-Position error:±0.2%(within the entire stroke range);

-Response time:≤80ms(step signal response).

Environmental adaptability:

-Protection level:IP67(water immersion protection);

-Operating temperature:-40°C to+85°C(wide temperature type).

2.Key technical parameters

Project Typical specifications(refer to similar products)

Input/Output

-Input signal:4–20mA DC(HART®superimposed signal);

-Output type:pneumatic(0.2–1MPa)/electric(optional);

Power supply requirements

-Voltage range:24V DC(±10%fluctuation tolerance);

-Power consumption:≤5W(peak);

Communication interface

-Digital bus:FOUNDATION Fieldbus,Modbus RTU;

-Wireless extension:Wi-Fi 6(supports remote firmware upgrade).

3.Functional characteristics

Intelligent control:

-Adaptive PID:Dynamic parameter optimization based on stem friction model;

-Valve characteristic:supports fast opening/linear/equal percentage curve preset(on-site adjustable).

Diagnosis and maintenance:

-Real-time monitoring:Calculation of seat leakage rate(ISO 15848 standard);

-Early warning function:Spring aging prediction(stress-strain curve analysis).

Energy-saving design:

-Pneumatic energy-saving mode:gas consumption is reduced by 60%when maintaining the position;

-Sleep wake-up:No signal input enters the low power state for 1 hour.