描述
产品简要说明
VMIVME REPEAT M-485是一款基于VME总线的工业级RS-485中继器模块，核心特性包括：
长距离信号传输：支持100米通信距离，可串联128个节点
抗干扰设计：内置数据传输判错机制，适应强电磁环境
多协议兼容：支持RS-485、RS-422接口，兼容Modbus、TCP/RTU协议
工业防护：工作温度范围0～55℃，存储温度-20～85℃
产品详细说明
1.硬件架构与核心功能
通信增强设计
信号放大与隔离：
采用双DIN连接器实现主从VMEbus机箱级联
支持16位/24位地址寻址，8位/16位数据传输
延迟控制：
5英尺电缆传播延迟400ns，每延长1英尺增加4ns
支持7级中断优先级管理
接口扩展能力
总线协议：
符合VME64x标准，兼容LynxOS、VxWorks等实时系统
支持突发传输模式，带宽达170MB/s
多节点管理：
单总线可串联128个M485温度采集模组（需配合敏源传感M485模组使用）
环境适应性
温度补偿：
主动散热设计（铝制鳍片+导热硅脂）
温度漂移系数<5ppm/℃（0～55℃）
机械防护：
双欧洲卡尺寸（162mm×212mm）
抗振动5g 20-2000Hz
产品概述:VMIVME REPEAT M-485
作为工业通信链路的核心组件，其核心价值在于长距离信号增强与多节点管理：
技术价值：
在电力系统中实现变电站继电器状态远程监控
在智能楼宇中完成电梯/照明系统分布式控制
行业适配：
工业自动化：PLC与DCS系统间数据中继
能源电力：变电站保护装置通信链路扩展
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轨道交通
Product brief description
VMIVME REPEAT M-485 is an industrial-grade RS-485 repeater module based on VME bus.The core features include:
Long-distance signal transmission:supports 100 meters of communication distance,can connect 128 nodes in series
Anti-interference design:built-in data transmission error judgment mechanism to adapt to strong electromagnetic environment
Multi-protocol compatible:supports RS-485 and RS-422 interfaces,compatible with Modbus,TCP/RTU protocols
Industrial protection:working temperature range 0-55℃,storage temperature-20-85℃
Product details
1.Hardware architecture and core functions
Communication enhancement design
Signal amplification and isolation:
Use dual DIN connectors to achieve cascade of master-slave VMEbus chassis
Supports 16-bit/24-bit addressing,8-bit/16-bit data transmission
Delay control:
5-foot cable propagation delay of 400ns,4ns added for every 1 foot extension
Supports level 7 interrupt priority management
Interface expansion capability
Bus protocol:
Comply with VME64x standard,compatible with real-time systems such as LynxOS,VxWorks,etc.
Support burst transmission mode,bandwidth up to 170MB/s
Multi-node management:
Single bus can connect 128 M485 temperature acquisition modules in series(need to be used with the sensitive sensing M485 module)
Environmental adaptability
Temperature compensation:
Active heat dissipation design(aluminum fins+thermal grease)
Temperature drift coefficient<5ppm/℃(0~55℃)
Mechanical protection:
Dual Eurocard size(162mm×212mm)
Vibration resistance 5g 20-2000Hz
Product Overview:VMIVME REPEAT M-485
As the core component of industrial communication links,its core value lies in long-distance signal enhancement and multi-node management:
Technical value:
Implement remote monitoring of the status of substation relays in the power system
Complete distributed control of elevator/lighting system in smart buildings
Industry adaptation:
Industrial Automation:Data Relay between PLC and DCS Systems
Energy and electricity:communication link expansion of substation protection device
Rail Transportation
