目录
CONTENTS
1 概述 General.................................................................................................................................................................. 1
2 型号说明 Type explanation........................................................................................................................................... 1
4 产品型号 Type of products.............................................................................................................................................3
4.1 电流、电压变送器 Current, voltage transmitters...............................................................................................3
4.2 三相电流、电压变送器 Three-phase current, voltage transmitters.................................................................. 4
4.3 热电阻变送器 RTD transmitters......................................................................................................................... 5
4.4 智能温度变送器 Intelligent temperature transmitters........................................................................................6
4.5 功率变送器 Power transmitters...........................................................................................................................7
4.6 功率因数变送器 Power factor transmitters........................................................................................................ 9
4.7 频率变送器 Frequency transmitters....................................................................................................................9
4.8 多电量数字变送器 Multi-electrical parameters digital transmitters................................................................10
5 操作指南 Operating guide...........................................................................................................................................12
5 1 查看状态 View Status........................................................................................................................................12
5.2 操作字符说明 Operation character Description............................................................................................... 13
5.3 系统设置模式 System setting mode................................................................................................................. 13
6 通讯指南 Communication guide.................................................................................................................................. 15
6.1 通讯 Communication......................................................................................................................................... 15
6.2 MODBUS 协议简述 MODBUS protocol compendium...................................................................................15
6.3 查询—回应周期 Query-respond period........................................................................................................... 15
6.4 传输方式 Transmission mode........................................................................................................................... 16
6.5 协议 Protocol..................................................................................................................................................... 17
6.6 错误检测的方法 Method to create error check code(CRC).............................................................................18
6.7 通讯应用格式详解 Communication apply format expound............................................................................ 19
7 订货实例 Order example.............................................................................................................................................. 27
7.1 BD-AI 接线实例 BD-AI Connection example................................................................................................. 27
7.2 BD-3I3 接线实例 BD-3I3 Connection example............................................................................................... 28
7.3 BD-3V3 接线实例 BD-3V3 Connection example............................................................................................29
7.4 BD-PF 接线实例 BD-PF Connection example.................................................................................................30
7.5 BD-4P 接线实例 BD-4P Connection example................................................................................................. 31
7.6 BD-4E 接线实例 BD-4E Connection example.................................................................................................32
7.7 通讯接线实例 Connected mode in communication........................................................................................ 33
