Woodward 8280-424 往复式发动机的速度 监控控制功能
【产品详情】
伍德沃德型号 8280-424 是该公司的 723PLUS 数字工业速度/性能控制“424”。该装置的主要功能是控制变速应用中往复式发动机的速度、点火正时和空燃比。发动机和涡轮增压器转速通过双速信号输入进行监控，支持使用两个接近开关或 MPU。这些也可用于冗余发动机转速传感。
为了监控控制功能，8280-424 通过 LON 通道支持伍德沃德 LINKnet 输入/输出节点，并包含一个热电偶 LINKnet 模块。通过三个串行端口支持控制接口选项。这些选项包括 Watch Window（伍德沃德基于 PC 的软件界面）;手持式编程器;外部Modbus主站设备（如HMI）;以及可选的性能“424”控制视图（部件号 8928-057），这是一个基于 PC 的图形用户界面，用于监控和调整 8280-424 软件参数。
8280-424 具有多个 I/O，其中一些是可配置的。例如，模拟输出 #1 可以配置为多个控制参数之一，例如发动机转速、燃油执行器需求、空气歧管压力和涡轮增压器辅助 PID 控制信号。模拟输出 #2 向点火定时器提供专用的 4-20mA 电流信号，用于可变点火定时控制。伍德沃德 8280-424 I/O 的完整明细包含在本页“手册”选项卡中的手册中。
Woodward 8280-424 往复式发动机的速度 监控控制功能
【英文介绍】
The Woodward Model 8280-424 is the company's 723PLUS digital industrial speed/performance control "424". The main function of the device is to control the speed, ignition timing and air-fuel ratio of the reciprocating engine in variable speed applications. Engine and turbocharger speeds are monitored via a two-speed signal input that supports the use of two proximity switches or MPUs. These can also be used for redundant engine speed sensing.
To monitor control functions, the 8280-424 supports Woodward LINKnet input/output nodes via LON channels and includes a thermocouple LINKnet module. Support for control interface options via three serial ports. These options include Watch Window (Woodward's PC-based software interface); Handheld programmer; External Modbus master equipment (such as HMI); And the optional performance "424" control view (Part number 8928-057), a PC-based graphical user interface for monitoring and adjusting 8280-424 software parameters.
The 8280-424 has multiple I/ OS, some of which are configurable. For example, the analog output #1 can be configured to one of several control parameters, such as engine speed, fuel actuator demand, air manifold pressure, and turbocharger auxiliary PID control signals. The analog output #2 provides a dedicated 4-20mA current signal to the ignition timer for variable ignition timing control. A complete breakdown of Woodward 8280-424 I/O is included in the manual in the Manual TAB on this page.
Woodward 8280-424 往复式发动机的速度 监控控制功能
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