描述
产品简要说明
MAGNETEK GPD503-DS308是一款基于RS232串口通信的工业控制模块，核心功能包括：
继电器驱动：通过串口信号控制外部继电器开关
电路集成：内置NPN晶体管与继电器电路，支持5V电源驱动
编程兼容性：支持VB语言编程实现自动化控制
产品详细说明
1.硬件架构设计
通信接口：
RS232串口（9针D型接口）
支持波特率自适应（9600bps默认）
驱动电路：
NPN晶体管（型号9013）控制继电器线圈
5V USB供电（最大电流500mA）
2.核心功能特性
信号处理：
通过串口4脚电平变化触发继电器开关
高电平（5V）吸合继电器，低电平（0V）释放
扩展能力：
支持多路继电器并联控制（需独立电路设计）
可适配24V AC/DC负载（需外部电源）
技术规格:MAGNETEK GPD503-DS308
参数项规格描述
通信接口RS232（9针D型）
继电器类型SPDT（单刀双掷）
驱动电压5V DC（USB供电）
负载能力2A/250V AC或5A/30V DC（单通道）
核心价值与性能亮点
1.低成本控制方案
优势：相比PLC模块，成本降低60%-80%，适合小规模自动化项目。
2.灵活编程能力
案例：在实验室设备中，通过VB程序实现温度传感器触发风扇启停，响应时间＜50ms。
3.工业级可靠性
设计：电路采用光耦隔离技术，抗干扰能力达Class B等级。
Product brief description
MAGNETEK GPD503-DS308 is an industrial control module based on RS232 serial port communication,and its core functions include:
Relay driver:control external relay switch through serial port signal
Circuit integration:built-in NPN transistor and relay circuit,supporting 5V power supply driver
Programming compatibility:Support VB language programming to achieve automated control
Product details
1.Hardware architecture design
Communication interface:
RS232 serial port(9-pin D-type interface)
Supports baud rate adaptation(9600bps default)
Drive circuit:
NPN transistor(model 9013)control relay coil
5V USB power supply(maximum current 500mA)
2.Core functional characteristics
Signal processing:
The relay switch is triggered through the change of the 4-pin level of the serial port.
High level(5V)suction relay,low level(0V)release
Expansion capability:
Supports parallel control of multiple relays(requires independent circuit design)
Can adapt to 24V AC/DC load(external power supply required)
Technical Specifications:MAGNETEK GPD503-DS308
Parameters Specification Description
Communication interface RS232(9-pin D type)
Relay type SPDT(single-pole double throw)
Drive voltage 5V DC(powered by USB)
Load capacity 2A/250V AC or 5A/30V DC(single channel)
Core Valuesand Performance Highlights
1.Low-cost control plan
Advantages:Compared with PLC modules,the cost is 60%-80%,which is suitable for small-scale automation projects.
2.Flexible programming capability
Case:In laboratory equipment,the temperature sensor triggers the fan start and stop through the VB program,and the response time is<50ms.
3.Industrial reliability
Design:The circuit adopts optocoupling isolation technology,and its anti-interference ability reaches Class B level.
