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(AI):
用于采集现场设备的连续信号(如温度、压力、流量、液位等),将外部模拟量(电压/电流)转换为控制器可识别的数字量(如0-4095对应4-20mA)。
所属系列:
GE Fanuc Series 90-30,兼容90-30系列PLC的CPU模块(如IC693CPU321、IC693CPU350等),支持冗余配置。
1.2核心应用场景
过程控制:
化工反应釜温度监测、管道压力测量、储罐液位控制。
能源管理:
发电厂锅炉蒸汽压力/温度检测、电网电压/电流采样。
环境监测:
污水处理厂pH值、溶解氧浓度测量,大气污染物浓度分析。
2.关键技术参数
2.1输入通道配置
通道数量:
8路独立模拟量输入通道,每通道可单独配置量程和滤波参数。
输入类型:
电压输入:
±10V DC(分辨率:12位,即4096点);
0-10V DC(需通过软件配置)。
电流输入:
4-20mA DC(2线制/4线制传感器兼容);
0-20mA DC(可选量程)。
通道隔离:
通道间隔离:每通道独立隔离,隔离电压≥500V AC(防止通道间干扰);
电源隔离:模块电源与背板总线隔离,隔离电压≥1500V AC。
2.2精度与性能
分辨率:
12位(电压/电流输入均支持),满足大多数过程控制需求。
综合精度:
±0.1%FS(满量程,25°C时);
温度漂移:≤±50ppm/°C(确保环境温度变化时精度稳定)。
采样速率:
单通道:10ms;
全通道:80ms(8通道同时采样时的总周期时间)。
滤波功能:
内置数字滤波(可配置为无滤波、移动平均、中值滤波等),抑制现场噪声干扰。
2.3电气特性
输入阻抗:
电压输入:≥1MΩ(高阻抗,避免信号衰减);
电流输入:250Ω(与4-20mA信号匹配,转换为1-5V电压供ADC采样)。
过压保护:
输入端口内置TVS二极管,可承受±35V DC瞬态过压(防止雷击或误接线损坏模块)。
断线检测:
支持4-20mA信号断线检测(当电流<3.6mA或>21mA时触发报警)。
1.Product Positioning and Core Functions
1.1 Product Type
Analog Input Module(AI):
Used to acquire continuous signals from field devices(such as temperature,pressure,flow,liquid level,etc.)and convert external analog signals(voltage/current)into digital values recognizable by the controller(e.g.,0-4095 corresponds to 4-20mA).
Series:
GE Fanuc Series 90-30,compatible with 90-30 series PLC CPU modules(such as IC693CPU321,IC693CPU350,etc.),supporting redundant configurations.
1.2 Core Application Scenarios
Process Control:
Chemical reactor temperature monitoring,pipeline pressure measurement,and tank level control.
Energy Management:
Power plant boiler steam pressure/temperature monitoring,grid voltage/current sampling.
Environmental Monitoring:
Sewage treatment plant pH and dissolved oxygen concentration measurement,and atmospheric pollutant concentration analysis.
2.Key Technical Parameters
2.1 Input Channel Configuration
Number of Channels:
8 independent analog input channels,each with individually configurable range and filtering parameters.Input Type:
Voltage Input:
±10V DC(resolution:12 bits,i.e.,4096 points);
0-10V DC(software configurable).
Current Input:
4-20mA DC(compatible with 2-wire and 4-wire sensors);
0-20mA DC(selectable range).
Channel Isolation:
Inter-channel Isolation:Each channel is independently isolated,with an isolation voltage≥500V AC(preventing crosstalk between channels).
Power Supply Isolation:The module power supply is isolated from the backplane bus,with an isolation voltage≥1500V AC.
2.2 Accuracy and Performance
Resolution:
12 bits(supports both voltage and current inputs),meeting most process control requirements.
Overall Accuracy:
±0.1%FS(full scale,at 25°C);
Temperature Drift:≤±50ppm/°C(ensuring stable accuracy despite ambient temperature fluctuations).
Sampling Rate:
Single Channel:10ms;
Full Channel:80ms(total cycle time when sampling all 8 channels simultaneously).Filtering Function:
Built-in digital filtering(configurable to no filtering,moving average,median filtering,etc.)suppresses field noise interference.
2.3 Electrical Characteristics
Input Impedance:
Voltage Input:≥1MΩ(high impedance to prevent signal attenuation);
Current Input:250Ω(compatible with 4-20mA signals,converted to 1-5V for ADC sampling).
Overvoltage Protection:
The input port has a built-in TVS diode that withstands±35V DC transient overvoltage(preventing damage to the module from lightning strikes or miswiring).
Wire Disconnect Detection:
Supports 4-20mA signal disconnect detection(triggering an alarm when the current is<3.6mA or>21mA).
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101