描述
1.产品定位与核心功能
1.1产品类型
模拟量输入模块:
用于采集工业现场的连续信号(如电压、电流、温度、压力等),并将其转换为数字信号供PLC或控制系统处理。
所属系列:
GE VersaMax I/O系列,支持分布式或集中式安装,兼容GE PACSystems RX3i、90-30等控制器。
1.2核心应用场景
过程控制:
化工、制药、食品加工中的流量、液位、浓度监测。
能源行业(如发电厂)的蒸汽压力、温度测量。
机械自动化:
液压/气动系统压力反馈、电机转速控制。
环境监测:
空气质量、湿度、光照强度采集。
2.关键技术参数
2.1输入通道与信号类型
通道数量:
8通道(IC200ALG230中的“230”可能暗示8通道配置,需验证)。
支持的信号类型:
电压输入:
范围:±10V、0-10V、±5V(通过跳线或软件配置)。
电流输入:
范围:4-20mA、0-20mA(需外接250Ω电阻将电流转换为电压)。
热电阻(RTD)支持:
不直接支持(需外接RTD转换器或选择专用模块如IC200ALG260)。
2.2精度与性能
分辨率:
12位(16位可选,需软件配置),即最小可分辨信号变化为满量程的1/4096。
精度:
±0.1%FS(满量程,25°C时)。
温度漂移:≤±50ppm/°C(影响长期稳定性)。
采样速率:
单通道:≤1ms;
全通道扫描:≤8ms(典型值)。
2.3电气特性
输入阻抗:
电压输入:≥1MΩ(确保对信号源负载极小)。
电流输入:250Ω(外接电阻,模块内部可能无电阻)。
隔离性能:
通道间隔离:1500V AC(防止通道间干扰)。
通道与背板隔离:500V AC(保护控制系统免受高压冲击)。
供电要求:
24V DC(±10%),功耗≤3W(满载)。
2.4通信与接口
总线协议:
Genius Bus(GE专用协议,速率38.4kbps)或VersaMax本地总线(需确认具体型号)。
物理接口:
模块侧:40针连接器(接现场信号);
背板侧:标准VersaMax总线接口。
1.Product Positioning and Core Functions
1.1 Product Type
Analog Input Module:
Used to acquire continuous signals(such as voltage,current,temperature,and pressure)from industrial sites and convert them into digital signals for processing by PLCs or control systems.
Series:
GE VersaMax I/O Series,supports distributed or centralized installation,and is compatible with GE PACSystems RX3i,90-30,and other controllers.
1.2 Core Application Scenarios
Process Control:
Flow,level,and concentration monitoring in chemical,pharmaceutical,and food processing.
Steam pressure and temperature measurement in the energy industry(such as power plants).
Machine Automation:
Pressure feedback in hydraulic/pneumatic systems and motor speed control.
Environmental Monitoring:
Acquisition of air quality,humidity,and light intensity.
2.Key Technical Parameters
2.1 Input Channels and Signal Types
Number of Channels:
8 channels(the”230″in IC200ALG230 may imply an 8-channel configuration;verification is required).Supported Signal Types:
Voltage Input:
Range:±10V,0-10V,±5V(configurable via jumper or software).
Current Input:
Range:4-20mA,0-20mA(requires an external 250Ωresistor to convert current to voltage).
RTD Support:
Not directly supported(requires an external RTD converter or a dedicated module such as the IC200ALG260).
2.2 Accuracy and Performance
Resolution:
12-bit(16-bit optional,software configurable),meaning the minimum discernible signal change is 1/4096 of the full scale.
Accuracy:
±0.1%FS(full scale,at 25°C).
Temperature Drift:≤±50ppm/°C(affects long-term stability).
Sampling Rate:
Single Channel:≤1ms;
Full Channel Scan:≤8ms(typical).2.3 Electrical Characteristics
Input Impedance:
Voltage Input:≥1MΩ(ensures minimal signal source load).
Current Input:250Ω(external resistor,module may not have internal resistor).
Isolation Performance:
Channel-to-Channel Isolation:1500V AC(prevents crosstalk between channels).
Channel-to-Backplane Isolation:500V AC(protects control system from high voltage surges).
Power Supply Requirements:
24V DC(±10%),Power Consumption≤3W(full load).
2.4 Communication and Interfaces
Bus Protocol:
Genius Bus(GE-specific protocol,38.4kbps)or VersaMax Local Bus(specific model required).
Physical Interface:
Module Side:40-pin connector(for field signals);
Backplane Side:Standard VersaMax bus interface.
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