描述
主要技术参数
通道数：8路独立模拟输出。
分辨率：12bit。
输出范围：电压模式有0-5V、0-10V、±2.5V、±5V、±10V；电流模式为4-20mA。
光学隔离：每路300V隔离。
供电：5V±5%，典型电流2.6A。
工作温度：0°C-65°C（非工作时为-40°C-85°C）。
湿度：5%-95%RH（非冷凝）。
海拔：工作至10000ft，非工作至50000ft。
接口：符合VMEbus（IEEE 1014）标准，兼容Xycom标准I/O架构。
产品特点
高可靠性：300V光学隔离防止噪声耦合，适用于恶劣工业环境。
灵活配置：通过跳线可在电压或电流模式之间切换，满足多种控制需求。
高精度：12bit分辨率与±0.5LSB误差，保证细腻的输出调节。
即插即用：符合VME-bus规范，支持热插拔，便于系统扩展。
双向调校：每路增益、偏置均可现场调校，简化现场调试。
结构与组成
PCB主体：多层高频板，集成8路DAC、光耦隔离电路、DC-DC转换器以及电源滤波。
D/A转换芯片：12bit高精度DAC，每路独立。
光耦隔离单元：每路采用光耦实现300V隔离。
跳线排：用于选择输出模式及对应量程。
电源模块：内部5V稳压与电流限制电路。
连接器：标准VME-bus插槽，兼容A、B、C型背板。
典型应用领域
过程控制：阀门驱动、流量调节、温度控制回路等。
仪表与记录：示波器、条形图记录仪、数据采集系统等。
电机与伺服：变速电机控制、比例阀驱动等。
工业自动化：PLC扩展模块、SCADA系统模拟输出等。
实验室设备：精密电源、校准仪器的模拟信号源等。
Key Technical Parameters
Number of Channels:8 independent analog outputs.
Resolution:12-bit.
Output Range:Voltage mode:0-5V,0-10V,±2.5V,±5V,±10V;Current mode:4-20mA.
Optical Isolation:300V isolation per channel.
Power Supply:5V±5%,typical current 2.6A.
Operating Temperature:0°C-65°C(-40°C-85°C when not in operation).
Humidity:5%-95%RH(non-condensing).
Altitude:Operating up to 10,000ft,non-operating up to 50,000ft.
Interface:Compliant with VMEbus(IEEE 1014)standard,compatible with Xycom standard I/O architecture.
Product Features
High Reliability:300V optical isolation prevents noise coupling,suitable for harsh industrial environments.
Flexible Configuration:Switches between voltage and current modes via jumpers to meet various control requirements.
High Precision:12-bit resolution and±0.5LSB error ensure fine-tuning of output.
Plug and Play:Compliant with VME-bus specifications,supports hot-swapping for easy system expansion.
Bidirectional Adjustment:Gain and bias of each channel can be adjusted on-site,simplifying field debugging.
Structure and Components
PCB Main Body:Multi-layer high-frequency board integrating 8 DACs,optocoupler isolation circuits,DC-DC converters,and power supply filtering.
D/A Conversion Chip:12-bit high-precision DAC,independent for each channel.
Optocoupler Isolation Unit:Each channel uses optocouplers to achieve 300V isolation.
Jumper Panel:Used to select output mode and corresponding range.
Power Supply Module:Internal 5V voltage regulation and current limiting circuit.
Connectors:Standard VME-bus slots,compatible with A,B,and C type backplanes.
Typical Application Areas:
Process Control:Valve actuation,flow regulation,temperature control loops,etc.
Instrumentation and Recording:Oscilloscopes,bar chart recorders,data acquisition systems,etc.
Motors and Servo Systems:Variable speed motor control,proportional valve actuation,etc.
Industrial Automation:PLC expansion modules,SCADA system analog outputs,etc.
Laboratory Equipment:Precision power supplies,analog signal sources for calibration instruments,etc.
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
