描述
BECKHOFF KL2408是倍福（Beckhoff）公司推出的一款8通道数字量输出总线端子模块，适用于工业自动化控制系统的信号输出与执行器控制。以下是其核心功能与技术参数的综合概述：
一、核心功能与定位
数字量输出控制
-提供8路独立的24V DC晶体管输出，每通道最大负载电流0.5A（短路保护），总电流≤3A，支持电阻、电感及灯类负载。
电气隔离与保护
-通道间电气隔离电压高达500Vrms（K-bus/现场电位），防止信号干扰；具备反极性连接保护及过载/短路保护功能。
安装与扩展
-采用1线连接技术，优化单端输入布线；支持DIN导轨安装，节省控制柜空间；兼容EtherCAT、PROFIBUS等30多种现场总线协议。
二、技术参数
电气特性
-额定电压：24V DC（-15%/+20%）
-负载类型：电阻式、电感式、灯类
-输出电流：每通道0.5A（短路保护），总电流3A
-电源触点电流消耗：60mA
环境适应性
-工作温度：0…+55℃（存储温度：-25…+85℃）
-相对湿度：95%（无冷凝）
-防护等级：IP20
通信与接口
-支持EtherCAT、PROFINET、Modbus等协议
-可插拔接线设计，适用于KSxxxx系列总线端子模块
三、应用场景
工业自动化
-控制电磁阀、继电器、指示灯等执行器，实现设备启停与状态反馈。
-适用于机械制造、汽车装配、能源电力等领域的分布式控制系统。
安全联锁系统
-与安全门、急停按钮联动，输出安全信号控制设备紧急停机，符合ISO 13849安全标准。
智能建筑
-集成楼宇自动化系统，控制照明、空调及安防设备的开关状态。
BECKHOFF KL2408 is an 8-channel digital output bus terminal module launched by Beckhoff,suitable for signal output and actuator control of industrial automation control systems.The following is a comprehensive overview of its core functions and technical parameters:
I.Core functions and positioning
Digital output control
-Provides 8 independent 24V DC transistor outputs,with a maximum load current of 0.5A per channel(short-circuit protection),a total current≤3A,and supports resistors,inductors and lamp loads.
Electrical isolation and protection
-The electrical isolation voltage between channels is as high as 500Vrms(K-bus/field potential)to prevent signal interference;it has reverse polarity connection protection and overload/short-circuit protection functions.
Installation and expansion
-Adopts 1-wire connection technology to optimize single-ended input wiring;supports DIN rail installation to save control cabinet space;compatible with more than 30 fieldbus protocols such as EtherCAT and PROFIBUS.
2.Technical parameters
Electrical characteristics
-Rated voltage:24V DC(-15%/+20%)
-Load type:resistive,inductive,lamp
-Output current:0.5A per channel(short-circuit protection),total current 3A
-Power contact current consumption:60mA
Environmental adaptability
-Operating temperature:0…+55℃(storage temperature:-25…+85℃)
-Relative humidity:95%(non-condensing)
-Protection level:IP20
Communication and interface
-Support EtherCAT,PROFINET,Modbus and other protocols
-Pluggable wiring design,suitable for KSxxxx series bus terminal modules
3.Application scenarios
Industrial automation
-Control actuators such as solenoid valves,relays,indicator lights,etc.to realize equipment start and stop and status feedback.
-Applicable to distributed control systems in the fields of machinery manufacturing,automobile assembly,energy and power.
Safety interlock system
-Linked with safety door and emergency stop button,output safety signal to control emergency shutdown of equipment,in compliance with ISO 13849 safety standard.
Smart building
-Integrated building automation system to control the on/off status of lighting,air conditioning and security equipment.
