描述
GE PQM-T20-A是一款工业以太网通用数字输入模块，适用于多种自动化控制场景。以下是其核心功能、技术参数及应用领域的综合概述：
一、核心功能与结构
数字输入通道
提供8个独立数字输入通道，支持源型（如干接点）或汇型（如光电耦合器）输入模式配置，适用于开关量信号采集。
继电器输出控制
集成2个继电器输出，可直接驱动外部设备（如阀门、指示灯等），支持逻辑控制与状态反馈。
工业级防护设计
采用DIN导轨安装，额定电压24Vdc，额定电流2A，工作温度范围-20至65℃，适应复杂工业环境。
二、技术参数
输入通道特性：
-输入电压范围：12-24Vdc（源型）/0-24Vdc（汇型）
-输入电流：≤2mA（源型）/≤10mA（汇型）
继电器输出：
-额定触点容量：2A/24Vdc或1A/250Vac
-触点类型：常开/常闭可选
通信与协议：
-支持工业以太网协议（如Modbus TCP/IP），兼容主流控制器系统。
三、应用场景
工业控制
用于机械设备的启停控制、状态监测（如限位开关、传感器信号采集）。
楼宇自动化
集成安防系统（门禁、火灾报警）、照明控制及环境监控。
安全与安防
实现紧急停车回路、故障信号上报及冗余控制逻辑。
HVAC控制
调节风机、水泵的启停状态及温度/湿度阈值联动。
四、优势特点
灵活配置：通过软件工具可自定义输入模式、逻辑组合及通信参数。
高可靠性：输入通道支持光电隔离，抗干扰能力强，适合强电磁环境。
扩展性：可通过网络级联实现多模块协同控制，满足大型系统需求。
PQF4-3 TAS.580.0600G00 V01
PQF4-3 TAS.580.0600G00 V01
GE PQM-T20-A is an industrial Ethernet universal digital input module suitable for a variety of automation control scenarios.The following is a comprehensive overview of its core functions,technical parameters and application areas:
I.Core functions and structure
Digital input channel
Provides 8 independent digital input channels,supports source type(such as dry contact)or sink type(such as photocoupler)input mode configuration,suitable for switch signal acquisition.
Relay output control
Integrates 2 relay outputs,can directly drive external devices(such as valves,indicator lights,etc.),supports logic control and status feedback.
Industrial grade protection design
Adopts DIN rail installation,rated voltage 24Vdc,rated current 2A,operating temperature range-20 to 65℃,adapts to complex industrial environments.
2.Technical parameters
Input channel characteristics:
-Input voltage range:12-24Vdc(source type)/0-24Vdc(sink type)
-Input current:≤2mA(source type)/≤10mA(sink type)
Relay output:
-Rated contact capacity:2A/24Vdc or 1A/250Vac
-Contact type:normally open/normally closed optional
Communication and protocol:
-Support industrial Ethernet protocol(such as Modbus TCP/IP),compatible with mainstream controller systems.
3.Application scenarios
Industrial control
Used for start and stop control and status monitoring(such as limit switches and sensor signal acquisition)of mechanical equipment.
Building automation
Integrated security system(access control,fire alarm),lighting control and environmental monitoring.
Safety and security
Realize emergency stop loop,fault signal reporting and redundant control logic.
HVAC control
Adjust the start and stop status of fans and pumps and the linkage of temperature/humidity thresholds.
4.Advantages and Features
Flexible configuration:Input mode,logic combination and communication parameters can be customized through software tools.
High reliability:Input channels support photoelectric isolation,strong anti-interference ability,suitable for strong electromagnetic environment.
Scalability:Multi-module collaborative control can be achieved through network cascading to meet the needs of large systems.
