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YLPTEC RSM3485HT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YLPTEC RSM3485HT
- Type
- YLPTEC
- Minimum package
- 30 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YLPTEC
- Electronic Component
- RSM3485HT
- Electronic Component
- 1
- Package
- Through-hole, 20x17mm
- Electronic Component
- Isolated RS485 / 422Transceiver
- Electronic Component
- 5.706g
- Electronic Component
- 1
- Features
- Electronic Component
- Electronic Component
- BM0264771720
- Operating Temperature
- 40℃~+85℃
- Data
- 115.2Kbps
- Electronic Component
- Electronic Component
- Electronic Component
- 30
- Voltage(Vrms)
- 2500
- Integrated Power Supply Operating Voltage
- 3.17V；3.45V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RSM3485HT 产品概述
一、产品简介
RSM3485HT（品牌：YLPTEC / 易川）是一款高度集成的 RS485 协议收发模块，集成隔离电源、信号隔离、RS485 收发与总线保护功能于一体。模块将逻辑电平转换为差分 RS485 信号，并提供可靠的电气隔离，适用于工业现场总线、楼宇自控及各类需要抗干扰的串行通信场景。模块采用插件式封装，体积紧凑，便于直接嵌入用户设备。
二、主要技术参数
- 最大数据速率：115.2 kbps
- 集成电源工作电压：3.17 V / 3.45 V（模块内置定压隔离电源参考值）
- 隔离电压：2500 Vrms（模块可实现约等同的高电压电气隔离）
- 工作温度范围：-40 ℃ ～ +85 ℃
- 封装形式：插件，外形尺寸约 20 × 17 mm
三、功能与特性
- 自动方向控制：内置自动切换收发机制，无需外部 CON 引脚手动控制，简化主控器接口设计。
- 电源与信号隔离：模块自带定压隔离电源，提供可靠的隔离屏障，消除地环路干扰并提高系统稳健性。
- 总线保护：集成总线保护元件，用于抑制过压、浪涌和静电放电，增强现场可靠性。
- 一体化设计：RS485 收发、隔离电源、保护电路集成，降低设计复杂度与 PCB 占用空间，便于快速开发与量产。
四、典型应用场景
- 工业自动化现场的设备间串行通信（PLC、变频器、人机界面等）。
- 楼宇自控、安防系统与智能配电监控（如 Modbus RTU 网络节点）。
- 电力与能源计量、数据采集终端（RTU、仪表隔离通信）。
- 需要防雷、抗干扰和地环路隔离的远距通信场合。
五、设计与使用建议
- 接线建议：差分信号接到 A/B 两端，确保总线终端电阻按规范配置（若模块未内置终端电阻，应在总线两端外接 120Ω）。
- 电源与地：遵循模块的隔离侧与非隔离侧接线规则，避免在隔离两侧建立直接电气连接，以维持隔离性能。
- 布局与走线：在 PCB 设计中靠近模块放置去耦电容与必要的滤波元件，差分对走线长度与阻抗匹配应尽量一致。
- 环境与可靠性：工作温度范围覆盖工业级要求，适合室内外但应避免长期在极端潮湿或腐蚀性气体环境下使用。
- 性能边界：本模块最大数据速率为 115.2 kbps，若需更高速率或更复杂的多主控协议，建议评估其他高速收发器或更大的方案。
六、包装与外形
- 封装：插件式模块，便于焊接与替换；空间占用小，适合集成到各类控制柜或终端设备中。
- 尺寸：约 20 × 17 mm，便于模块化设计与批量装配。
RSM3485HT 以其高集成度、可靠的隔离性能与自动方向控制特性，为需要稳健 RS485 通信的系统提供了简洁且易用的解决方案。若需更详细的电气引脚定义、时序图或典型接线图，可进一步索取产品规格书与应用指南。
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