描述
一、核心功能与技术参数
1.基本信息
品牌：BACHMANN（德国）
型号：AI204/SI
类型：模拟输入模块
定位：工业自动化系统中的高精度信号采集模块，适用于过程控制、能源管理等领域。
2.功能特性
信号输入：
支持4-20mA或0-20mA电流输入，兼容单端或差分连接方式。
输入阻抗75Ω，采样重复时间250ms/通道。
分辨率与精度：
16位分辨率，LSB（最低有效位）值为305μV，适用于高精度测量场景（如温度、压力监测）。
隔离设计：
通道间隔离（>100dB共模抑制）与系统隔离，有效抑制工业环境中的电磁干扰。
诊断功能：
内部电压监控，支持短路、断线等故障识别。
3.物理与环境参数
通道数量：4个独立隔离的模拟输入通道。
工作电压：支持DC 24V供电，符合工业标准。
环境适应性：
工作温度范围：-20°C至+60°C（需参考具体应用手册）。
二、应用场景
工业过程控制：
用于化工、能源行业的温度、流量、压力等参数的高精度监测与控制。
能源管理：
集成于风电、光伏系统，实现传感器信号的实时采集与分析。
海事工程：
在船舶动力定位系统中，通过CAN总线连接推进器编码器，实时采集转速、扭矩数据，提升控制精度。
机械制造：
监测机械振动、位移等动态参数，优化设备运行效率。
1.Core functions and technical parameters
1.Basic information
Brand:BACHMANN(Germany)
Model:AI204/SI
Type:Analog input module
Positioning:High-precision signal acquisition module in industrial automation systems,suitable for process control,energy management and other fields.
2.Functional characteristics
Signal input:
Supports 4-20mA or 0-20mA current input,compatible with single-ended or differential connection methods.
Input impedance 75Ω,sampling repetition time 250ms/channel.
Resolution and accuracy:
16-bit resolution,LSB(lowest significant bit)value is 305μV,suitable for high-precision measurement scenarios(such as temperature and pressure monitoring).
Isolation design:
Channel isolation(>100dB common mode suppression)isolates from the system to effectively suppress electromagnetic interference in industrial environments.
Diagnostic function:
Internal voltage monitoring,supports short circuit,line breakage and other fault identification.
3.Physical and environmental parameters
Number of channels:4 independently isolated analog input channels.
Working voltage:Supports DC 24V power supply,complies with industrial standards.
Environmental adaptability:
Operating temperature range:-20°C to+60°C(refer to the specific application manual).
2.Application scenarios
Industrial process control:
It is used for high-precision monitoring and control of temperature,flow,pressure and other parameters in the chemical and energy industries.
Energy Management:
Integrated in wind power and photovoltaic systems,real-time acquisition and analysis of sensor signals.
Maritime Engineering:
In the ship’s power positioning system,the thruster encoder is connected to the CAN bus to collect speed and torque data in real time to improve control accuracy.
Machinery manufacturing:
Monitor dynamic parameters such as mechanical vibration and displacement to optimize equipment operation efficiency.
