描述
产品简要说明
VMIC VMIVME-1101是Abaco Systems基于VME总线架构开发的工业级数字输入板，专为实时控制与数据采集系统设计。其核心特性包括：
四通道8位输入：支持64针DIN连接器，兼容8位或16位数据传输模式
状态变更中断（COS）：通过MC68153总线中断器实现字节级中断向量生成，响应延迟≤100 ns
抗干扰设计：迟滞输入电路增强噪声抑制能力，支持正/负真数据极性配置
灵活扩展：支持VME总线64x标准，可集成于复杂工业控制平台
产品详细说明
1.硬件架构与核心功能
输入通道特性
通道配置：
四组8位独立输入通道（共32位），每组支持独立中断向量
64针DIN连接器，兼容工业标准接口协议
数据传输模式：
8位模式：单次传输8位数据，适用于低速信号采集
16位模式：双通道合并传输，提升数据吞吐效率
极性配置：
正真模式：高电平输入对应VMEbus逻辑1
负真模式：低电平输入对应VMEbus逻辑1
中断机制
状态变更触发：
任何位状态变化（0→1或1→0）触发中断，支持中断向量字节级分配
中断优先级可配置为7个级别，避免系统资源冲突
中断处理：
通过MC68153总线中断器实现中断向量生成与分发
支持中断嵌套与优先级抢占
抗噪与稳定性
迟滞输入设计：
输入信号阈值迟滞≥1 V，消除抖动与噪声干扰
兼容TTL/CMOS电平（3.3 V～5 V）
电源隔离：
输入电源与VME总线电源独立隔离，耐压≥1500 V DC
产品概述:VMIC VMIVME-1101
作为VME系统的核心输入模块，其核心价值在于高精度状态监测与实时中断响应：
技术价值：
在轨道交通中，实现列车信号状态的毫秒级中断响应
在智能制造中，支持多轴运动控制系统的同步触发
行业适配：
工业自动化：PLC输入扩展、传感器信号采集
轨道交通：列车信号状态监测、站台门控制
能源电力：变电站开关状态采集、继电保护系统
国防军工：导弹制导系统输入信号采集、雷达信号处理
Product brief description
VMIC VMIVME-1101 is an industrial-grade digital input board developed by Abaco Systems based on the VME bus architecture,designed for real-time control and data acquisition systems.Its core features include:
Quad-channel 8-bit input:Supports 64-pin DIN connector,compatible with 8-bit or 16-bit data transmission modes
State change interrupt(COS):Byte-level interrupt vector generation is realized through the MC68153 bus interrupter,with response delay≤100 ns
Anti-interference design:Hysteresis input circuit enhances noise suppression capability,supports positive/negative true data polarity configuration
Flexible expansion:Supports VME bus 64x standard,can be integrated into complex industrial control platforms
Product details
1.Hardware architecture and core functions
Input channel characteristics
Channel configuration:
Four sets of 8-bit independent input channels(32 bits in total),each group supports independent interrupt vectors
64-pin DIN connector,compatible with industry standard interface protocol
Data transfer mode:
8-bit mode:8-bit data transmission in a single time,suitable for low-speed signal acquisition
16-bit mode:dual-channel merge transmission to improve data throughput efficiency
Polar configuration:
True mode:High level input corresponds to VMEbus logic 1
Negative True Mode:Low level input corresponds to VMEbus logic 1
Interrupt mechanism
Status change trigger:
Any bit state change(0→1 or 1→0)triggers an interrupt,supporting interrupt vector byte-level allocation
Interrupt priority can be configured to 7 levels to avoid system resource conflicts
Interrupt handling:
The MC68153 bus interrupter realizes interrupt vector generation and distribution
Support interrupt nesting and priority preemption
Noise resistance and stability
Hysteresis input design:
The input signal threshold hysteresis≥1 V to eliminate jitter and noise interference
Compatible with TTL/CMOS levels(3.3 V~5 V)
Power Isolation:
The input power supply is isolated independently from the VME bus power supply,with a voltage of≥1500 V DC
Product Overview:VMIC VMIVME-1101
As the core input module of VME system,its core value lies in high-precision state monitoring and real-time interrupt response:
Technical value:
In rail transit,millisecond interrupt response of train signal status is realized
In intelligent manufacturing,synchronous triggering of multi-axis motion control system is supported
Industry adaptation:
Industrial automation:PLC input expansion,sensor signal acquisition
Rail Transit:Train signal status monitoring,platform door control
Energy and electricity:substation switch status acquisition,relay protection system
National Defense and Military Industry:Missile Guidance System Input Signal Acquisition and Radar Signal Processing
