RTU-DNET远程IO通讯模块应用技术手册

1 产品简介...................................................................................................................................................................1

1.1 产品特点 ..........................................................................................................................................................1

1.2 功能规格 ..........................................................................................................................................................1

1.3 支持的扩展模块 ...............................................................................................................................................2

1.4 支持的 MODBUS 设备.....................................................................................................................................3

2 RTU-DNET 单元部件................................................................................................................................................4

2.1 外观尺寸 ..........................................................................................................................................................4

2.2 各部介绍 ..........................................................................................................................................................4

2.3 DeviceNet 通讯连接器 ....................................................................................................................................4

2.4 RUN/STOP 开关..............................................................................................................................................5

2.5 地址设定开关...................................................................................................................................................5

2.6 RS485 通讯端口 ..............................................................................................................................................5

2.7 功能设定开关...................................................................................................................................................5

2.8 扩展 IO 界面.....................................................................................................................................................6

3 RTU-DNET 安装.......................................................................................................................................................7

3.1 安装 RTU-DNET 与 Slim 扩展模块..................................................................................................................7

3.2 安装 RTU-DNET 及其 Slim 扩展模块于导轨 ...................................................................................................7

3.3 连接 DeviceNet 通讯连接器 ............................................................................................................................7

4 配置 RTU-DNET.......................................................................................................................................................8

4.1 术语解释 ..........................................................................................................................................................8

4.2 软件介绍 ..........................................................................................................................................................9

4.2.1 RTU 配置主接口 ..........................................................................................................................................9

4.2.2 RTU 设定接口............................................................................................................................................10

4.2.3 特殊模块配置接口......................................................................................................................................11

4.2.4 网关设置界面.............................................................................................................................................12

4.3 DeviceNet IO 映像数据.................................................................................................................................12

4.3.1 RTU-DNET 控制字和状态字......................................................................................................................12

4.3.2 IO 数据映像 ...............................................................................................................................................14

5 应用范例.................................................................................................................................................................17

5.1 使用 RTU-DNET 组成 DeviceNet 网络 .........................................................................................................17

5.2 使用 DeviceNet 配置工具配置网络 ...............................................................................................................18

5.3 使用梯形图控制整个网络...............................................................................................................................26

6 扩展波特率设置方法...............................................................................................................................................28

7 错误诊断及故障排除...............................................................................................................................................31