Level controllers Grundfos offers a wide range of pump controllers to keep a watchful eye on liquid levels in the wastewatercollecting tank, ensuring correct operation and protection of the pumps.Controller ranges:• Dedicated Controls, DC control cabinets• LC and LCD level controllers.液位控制器格兰富提供广泛的泵控制器对污水池中的液位保持警惕，确保正确的操作和泵的保护控制器范围：•专用控制器，直流控制柜•LC和LCD液位控制器Dedicated Controls专用控制器 Fig. 1 Dedicated Controls control cabinet图1专用控制柜Grundfos Dedicated Controls is a control system that can control and monitor one to six Grundfos wastewaterpumps and a mixer or a flush valve. Dedicated Controls is used in installations requiringadvanced control and data communication.Main components of the Dedicated Controls system:• CU 361 control unit• IO 351B module (general I/O module).Dedicated Controls is available either as separate components or as control cabinets.The control system can be operated by the following:• float switches• a level sensor• a level sensor and safety float switches.格兰富专用控制器是一个控制系统,可以控制和监视一到六台格兰富污水泵和一台搅拌器或一台冲洗阀。
专用控制器用于需要先进的控制和数据通信场合专用控制系统的主要部件：•Cu 361控制单元•IO 351b模块（通用I/O模块）专用控制系统既可提供单一的专控制元件也可是控制柜控制系统可以通过以下操作：•浮球开关•液位传感器•液位传感器和安全浮球开关CU 361 control panelCU 361控制面板Fig. 2 CU 361 control panel 图2 CU 361控制面板Pos. Description1 Display 6 Plus 11 Contrast2 Arrow to the right 7 Minus 12 Indicator light, operation (green)3 Help 8 Esc 13 Indicator light, fault (red)4 Up 9 Ok 5 Down 10 Home工作描述:1显示 2箭头向右 3帮助 4上 5下 6加 7减 8 ESC 9确认 10返回 11对比12个指示灯，操作（绿色） 13个指示灯，故障（红色）Features and benefitsThe Grundfos Dedicated Controls system offers thesefeatures and benefits:Basic features• Pump start/stop• alternating operation of pumps• overflow detection• overflow measurement• alarms and warnings• advanced alarm schedules• start and stop delays• free language selection.Advanced features• User-defined functions• alternation between groups• start level variation (reduced sedimentation)• combi alarms• daily emptying• foam draining• anti-seizing (limestone)• safety after-run delay• mixer or flush valve• maximum number of started pumps• pump flow measurement• system flow measurement• pump flow calculation• system flow calculation.Additional features, IO 113• Monitoring of:– insulation resistance– moisture in motor– water in oil.Additional features, MP 204• Anti-blocking• monitoring of:– voltage– current– current asymmetry– phase sequence– cos φ (power factor)– power– energy– insulation resistance– temperature, Pt100/Pt1000– temperature, PTC– temperature, Tempcon.特点和优点格兰富专用控制系统提供了这些特点和优点：基本特点•泵启动/停止•交替运行泵•溢出检测•溢出的测量•警报和警告•先进的报警表•启动和停止延迟•自由选择语言。
先进的功能•用户定义函数•交替组•开始水平的变化（减少沉淀）•两用报警•日常排空•泡沫排水•防抱死（石灰石）•安全运行后延迟•搅拌器或冲洗阀•最大数量的启动泵•泵的流量测量•系统流量测量•泵流量计算•系统流量计算附加的功能，IO 113•监测：–绝缘电阻–电机潮气–油中含水量附加的功能，MP 204•防堵•监测：–电压–电流–电流不对称–相序–COSφ（功率因数）–功率–能量–绝缘电阻–温度，Pt100 / PT1000–温度，PTC–温度，tempconAdditional features, CUE or VFDThe CUE/VFD (optional), which is either a Grundfosvariable-frequency converter or a general variablefrequencyconverter, also offers better pump protectionand a more steady flow through the pipe system.In addition, Grundfos CUE/VFD offers these featuresand benefits:• anti-blocking• automatic energy optimisation• specific-energy test• output frequency• monitoring of:– voltage*– current*– phase sequence*– power*– energy*– torque*• reverse start• run flushing• stop flushing• PID control.* These functions are only available with aGrundfos CUE.Communication features• Complete overview of the pump installation• setpoint change, resetting of system and start/stopof pumps• access to complete alarm/warning log• automatic redirection of alarms and warnings to theon-duty staff• optimisation of your maintenance and serviceprogramme• reduction in energy consumption• Modbus RTU communication via cable• Modbus TCP communication via GSM/GPRS• SMS commands (send/receive)• SMS schedule• VNC connection for migration of user interface to aweb browser.For further information, see the data booklet orinstallation and operating instructions for DedicatedControls on (WebCAPS).附加的功能，或VFDCUE / VFD（可选），要么是格兰富变频器或一个通用变频转换器，也提供了更好的泵保护，管道系统流动更稳定。
此外，格兰富CUE/ VFD提供了这些特点和优点：•防堵•自动能量优化•特定能量测试•输出频率•监测：–电压*–电流*–相序*–功率*–能量*–转矩*•反向启动•运行冲洗•停止冲洗•PID控制这些功能仅格兰富CUE具备通信功能•完整的泵安装图， •改变设定值，系统/泵启动/停止复位•获得完整的报警/报警日志•自动向值班人员重定警报和警告数据•优化你的维修服务程序降低能源消耗••Modbus RTU通信通过电缆•Modbus TCP通信通过GSM / GPRS•短信命令（收发）•短信日程•VNC连接用户界面迁移到Web浏览器更多信息，看专用控制器数据手册或安装和操作说明书ww。