GT505F低壓線路保護測控裝置主要用于低壓饋線、分支或母線分段回路的測控與保護。針對低壓線路提供一整套集控制、保護、測量、計量和通迅于一體的專業(yè)化的解決方案，是智能化PC的理想選擇。廣泛適用于電力、石化、輕工、煤炭、造紙、鋼鐵、冶金等諸多行業(yè)。

★產品特點：

◆ 輔助電源支持DC 110/220V或AC220V；

◆ 所有接線全部采用即插即拔的插頭聯(lián)接方式，使用具有高可靠性的插件，徹底消除接觸不良的隱患；

◆ 保護功能：產品內置豐富的保護功能，僅需簡單選擇即可實現(xiàn)保護的投入或退出、告警或跳閘；

◆ 測量參數(shù)包括：電流參數(shù)、電壓參數(shù)、功率參數(shù)、電能參數(shù)，功率因數(shù)等； 

◆ 強大的變送器功能，內置4-20mA模擬量輸出，可選擇多種線路運行參數(shù)，且范圍可調；

◆ 裝置存儲最新的64次故障參數(shù)和信息，故障記錄帶有時標功能，記錄故障發(fā)生的年月日時分秒毫秒；

◆ 裝置顯示故障參數(shù)、告警信息、狀態(tài)指示，便于故障分析，生產效能統(tǒng)計及有選擇地合理檢修；

◆ 顯示指示直觀，操作簡單，采用中文液晶顯示器，直觀顯示和指示各種參數(shù)、信息和狀態(tài)；

◆ 配置有接地保護功能，可通過附加增選零序電流測量的漏電保護功能；

◆ 4路繼電器輸出功能，分別為跳閘、合閘、告警、裝置異常告警；

◆ 標準配置8路開關量輸入，5路專用DI用途固定，3路自定義DI可輸入關心的狀態(tài)量；

◆ 2路標準RS-485通訊接口，使用標準MODBUS-RTU規(guī)約；

◆ 安裝外形尺寸更合理，可安裝于各種抽屜柜中。產品滿足常用的GCS、GCK、GHK168、MNS、GZT等包括1/4抽屜在內的成套柜及各種控制箱的安裝要求，產品為模塊化結構，固定方式靈活多樣。      

★產品保護功能：

速斷保護、限時速斷保護、過流保護（三段一時限）、接地保護、過負荷保護、后加速保護、電流不平衡保護、漏電保護、低電壓保護、過電壓保護、工藝連鎖保護、電壓斷線告警、彈簧儲能監(jiān)視、控制回路監(jiān)視。

★產品測量功能：

三相電流、零序電流3I0、電流不平衡度、三相線電壓、有功功率(總)，無功功率(總)、功率因數(shù)(總)、頻率、有功電能、無功電能、電能脈沖計數(shù) 。

★產品維護管理功能：

運行狀態(tài)指示、DI/DO狀態(tài)查詢、SOE查詢 ( 64次，有時標) 。

★產品通訊功能：

2路RS-485通訊標準的MODBUS規(guī)約。

GT505F low voltage line protection measure and control device is mainly used in the measurement, control and protection of low voltage feeder, branch or bus section circuit. Provide a complete set of control, protection, measurement, measurement and communication in one of the specialized solution for low voltage line, is the ideal choice of intelligent PC. Widely used in power, petrochemical, light industry, coal, paper, steel, metallurgy and many other industries.

This product features:

The auxiliary power supply support DC 110/220V or AC220V;

We all use all the wiring plug and plug connection drawing, using high reliability of the plug-in, eliminate the hidden danger of bad contact;

The protection function: built-in protection function rich, just a simple choice to realize the protection input or exit, alarm or trip;

It includes measurement parameters: current parameters, voltage parameters, power parameters, power parameter, power factor etc.;

The powerful transmitter function, built-in 4-20mA analog output, can choose the operation parameters of various lines, and adjustable range;

64 fault parameters and the latest information in the storage device, fault recording with timing function, record the failure date when ms;

The display device parameters, fault alarm information, status indication, convenient for fault analysis, production performance statistics and selected reasonable maintenance;

The display of visual indication, simple operation, using Chinese LCD display, visual display and various parameters, state information and instructions;

The configuration of a grounding protection function, the leakage protection of zero sequence current measurement of additional members;

The 4 way relay output function, respectively, closing and tripping alarm device, alarm;

The standard 8 way switch quantity input, 5 road 3 road DI special use fixed, custom DI can enter the state concerned;

The 2 standard RS-485 communication interface, using standard MODBUS-RTU protocol;

The installation size is more reasonable, can be installed on various drawers. Products meet the commonly used GCS, GCK, GHK168, MNS, GZT and other 1/4 cabinets, including cabinets, cabinets and various control box installation requirements, products for modular structure, fixed manner flexible and diverse.

This product protection function:

Quick break protection, time limit quick break protection, over-current protection (three a), grounding protection, overload protection, accelerating protection, unbalanced current protection, leakage protection, low voltage protection, overvoltage protection, voltage protection, disconnection alarm process chain, spring energy monitoring and control loop monitor.

The function of product measurement:

Three phase current, zero sequence current, 3I0, current unbalance, three-phase line voltage, active power (total), reactive power (total), power factor (total), frequency, active power, reactive energy, electric energy pulse count.

Product maintenance management function:

Run status directives, DI/DO status queries, and SOE queries (64 times, sometimes).

This product communication function:

MODBUS protocol for 2 way RS-485 communication standard.