©2007
Zhiyuan
Electronics CO., LTD.Date:2007-12-17
2/38
产品数据手册
Rev 2.22
广州致远电子有限公司
CAN232MB/ CAN485MB
CAN 网关/网桥/转换器
目录
销售信息...........................................................................................................................................4
技术支持...........................................................................................................................................4
1. 产品简介......................................................................................................................................5
1.1 概述....................................................................................................................................5
1.2 性能指标............................................................................................................................5
1.3 工作原理............................................................................................................................6
1.4 典型应用............................................................................................................................7
2. 硬件描述......................................................................................................................................8
2.1 产品外观............................................................................................................................8
2.2 接口描述............................................................................................................................8
2.2.1 CAN 接口定义 ........................................................................................................8
2.2.2 RS-232 接口引脚定义.............................................................................................9
2.2.3 RS-485 接口引脚定义.............................................................................................9
2.3 指示灯说明........................................................................................................................9
2.4 CAN 总线连接 .................................................................................................................10
3. 配置说明....................................................................................................................................11
3.1 配置方式..........................................................................................................................11
3.2 软件说明..........................................................................................................................11
3.2.1 转换参数...............................................................................................................12
3.2.2 串口参数...............................................................................................................13
3.2.3 CAN 参数 ..............................................................................................................13
3.2.4 举例介绍验收滤波的设置...................................................................................14
3.2.5 按键说明...............................................................................................................16
4. 应用说明....................................................................................................................................17
4.1 透明转换..........................................................................................................................17
4.1.1 帧格式...................................................................................................................17
4.1.2 转换方式...............................................................................................................17
4.1.3 转换示例...............................................................................................................19
4.2 透明带标识转换..............................................................................................................20
4.2.1 帧格式...................................................................................................................20
4.2.2 转换方式...............................................................................................................20
4.2.3 转换示例...............................................................................................................22