一 概 述 ......................................................................................................................................... 1 §1.1 引 言 ................................................................................................................................ 1
§1.2 工作原理 .......................................................................................................................... 1
§1.3 主板电气原理框图 .......................................................................................................... 2
§1.4 特点 .................................................................................................................................. 2
§1.5 性能参数 .......................................................................................................................... 3
§1.6 用途 .................................................................................................................................. 4
二 产品介绍 ..................................................................................................................................... 4
§2.1 变送型超声波流量计/热量计 ......................................................................................... 4
§2.2 经济型超声波流量变送器 .............................................................................................. 6
§2.3 超声波流量/热量变送模块 ............................................................................................. 7
§2.4 固定分体式超声波流量计/热量计 ................................................................................. 7
§2.5 一体管段式超声波流量计/热量计 ................................................................................. 8
三 本地显示及操作 ....................................................................................................................... 10
§3.1 本地段式LCD显示及操作 .......................................................................................... 10
§3.2 本地LCD显示器显示内容一览表 .............................................................................. 11
§3.3 本地显示状态代码及故障判断 .................................................................................... 12
四 并口及串口键盘显示及操作 ................................................................................................... 12
§4.1 并口键盘 ........................................................................................................................ 12
§4.2 串口键盘 ........................................................................................................................ 12
§4.3 按键功能 ........................................................................................................................ 13
§4.4 窗口操作 ........................................................................................................................ 13
§4.5 菜单分类 ........................................................................................................................ 14
§4.6 菜单一览表 .................................................................................................................... 15
§4.7 菜单窗口详解 ................................................................................................................ 18
§4.8 菜单设置特别说明 ........................................................................................................ 41
五 传感器安装 ............................................................................................................................... 42
§5.1 开箱检查 ........................................................................................................................ 42
§5.2 供电电源及电缆线 ........................................................................................................ 42
§5.3 安装必备条件 ................................................................................................................ 42
§5.4 快速输入管道参数步骤 ................................................................................................ 44
§5.5 外缚式传感器的安装方法 ............................................................................................ 46
§5.6 插入式传感器的安装方法 ............................................................................................ 48
§5.7 管段式传感器的安装方法 ............................................................................................ 52
§5.8 用户自备外缚传感器参数及其输入 ............................................................................ 54
§5.9 通电 ................................................................................................................................ 54
§5.10检查安装 ....................................................................................................................... 55
六 热量测量 ................................................................................................................................... 56
§6.1概述 ................................................................................................................................. 56
§6.2 PT100电阻的接线 ......................................................................................................... 56
§6.3有关温度测量的一些菜单说明 ..................................................................................... 57
§6.4温度测量子系统的标定 ................................................................................................. 57
§6.5有关热量测量量值的输出 ............................................................................................. 58
七 故障解析 ................................................................................................................................... 58
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八 串口及通讯协议 ..................................................................................................................... 60
九 输入输出回路及其使用 ......................................................................................................... 60
§9.1怎样使用4-20mA电流环输出...................................................................................... 61
§9.2怎样输出模拟电压信号 ................................................................................................. 61
§9.3这样使用频率信号输出 ................................................................................................. 61
§9.4怎样输出累积脉冲 ......................................................................................................... 62
§9.5怎样产生输出报警信号 ................................................................................................. 62
§9.6怎样使用蜂鸣器 ............................................................................................................. 63
§9.7怎样使用OCT输出 ....................................................................................................... 63
§9.8怎样使用继电器输出 ..................................................................................................... 63
§9.9怎样连接压力信号和液位信号（模拟输入） ............................................................. 63
§9.10模拟输入的校准 ........................................................................................................... 64
§9.11联网时模拟输入量的读取 ........................................................................................... 64
十 质量保证及服务维修支持 ..................................................................................................... 64
§10.1质量保证 ....................................................................................................................... 64
§10.2公司服务 ....................................................................................................................... 65
§10.3产品升级 ....................................................................................................................... 65
§10.4技术咨询 ....................................................................................................................... 65
十一 附 录 ............................................................................................................................... 65
§11.1常用液体声速和粘度 ................................................................................................... 65
§11.2常用材料声速 ............................................................................................................... 66
§11.3水中声速表（1标准大气压下） ................................................................................ 66
最新超声波流量计说明书
