KJJ46型数据通讯接口

KJJ46型数据通讯接口工作原理KJJ46型数据通讯接口，是KJ90NA/NB型煤矿安全监控系统地面中心站与井下分站之间的数据传输设备。是实现RS485与232数据转换的传输枢纽。KJJ46型数据通讯接口结构特征KJJ46数据接口的特点KJJ46型数据通讯接口可转换和发送来自地面中心站的监控主机和井下分站的各种控制指令及监测信号，并控制数据流量；连接井下的通讯电缆不仅采取了安全栅隔离，而且还设计了限流、限压、防雷的保护措施；采用了先进的双机自动切换技术，智能控制；采用了双线式技术，可解决传输不匹配问题。技术指标接口与与计算机的通讯通讯接口与计算机的传输口：2路；通讯接口与计算机的传输方式：RS232、半双工、主从式、双极性；a）传输波特率：2400bps；b）工作电压峰峰值：≤24V；通讯接口到计算机最大传输距离为3m。接口与分站的通讯通讯接口与分站的传输口：2路；通讯接口与分站的传输方式：RS485、半双工、主从式、双极性；a）传输波特率：2400bps；b）工作电流峰峰值：≤300mA；c）工作电压峰峰值：1.5V～12V；通讯接口到分站最大传输距离为10km，电缆型号:MHYVP1×4(7/0.52mm)。最大容量：64台分站。自动切换响应时间:确认主机故障后30s内自动切换。接口正面显示面板示意图接口背面结构及通道连接示意图KJJ46数据通讯接口电路原理图123456789101112ABCD121110987654321DCBATitleNumberRevisionSizeA1Date:6-Dec-2007SheetofFile:E:\培训教材\KJJ46型数据通讯接口培训教材\kjj46.ddbDrawnBy:VCCC430pC530pJZ112MC111UC151UC131UC141UC121UVCCRXD1TXD1RXD2TXD25-+12RXD2CPU-TXD2VCCCPU+54852B4852A1234567891011121314151617181920J320PIN1234567891011121314151617181920J420PINAC4AC2+1-3B2PC608DC23300ufDC80.1UFDC50.33DR23K3AC4AC2+1-3B1PC608DC13300ufDC40.33DR13K3Vin1GND2+12V3U14LM7812Vin1GND2+5V3U15LM7805DC71UF12V5DZ2P0300EDZ1P0300EDZ3P0300EAC4AC2+1-3B3PC608DC33300ufDC60.33L5LEDL12LEDVin1GND2+5V3U16LM7805162738495CJ4DB9DC91UF162738495CJ3DB9RST1RST24312DC/DC+-+-G11212/2WR1IN13R2IN8T1IN11T2IN10GND15V+2V-6VCC16R1OUT12R2OUT9T1OUT14T2OUT7C1+1C1-3C2+4C2-5U2MAX232ACPE(16)C61UC101UC81UC71UC91UVCCR1IN13R2IN8T1IN11T2IN10GND15V+2V-6VCC16R1OUT12R2OUT9T1OUT14T2OUT7C1+1C1-3C2+4C2-5U1MAX232ACPE(16)D20400112VR5410K1122334455667788K2HRS2HRXD3TXD3RXD4TXD4162738495CJ2DB9162738495CJ1DB9RST3RST4D19400112VR5310K1122334455667788K1HRS2H1234567891011171213141516181920RSTP3.0(RXD)P3.1(TXD)XTAL2XTAL1P3.3(INT1)P1.0(AIN0)GNDP1.1(AIN1)P1.2P3.5(T1)P3.4(T0)P3.2(INT0)P1.6P1.7P1.4VCCP1.3P1.5P3.7IC189C2051VCCC30.1UF12345678IC25045VCCRESETCSSCSSRESETB2C3E1Q39013B2C3E1Q49013R5510KC240.1UFS11S125-+12DR33K3L5VLED使用老软件时短接使用双串口软件时拔起12J1POWER2R110/0.25WR310/0.25WR210/0.25WR410/0.25WR01RE2DE3DI4GND5A6B7VCC8U3SP485C5-55IN+1IN-2B6C5E4U54N25IN+1IN-2B6C5E4U74N25IN+1IN-2B6C5E4U64N255VR211K5VR191K5VR2010KR2210K55-5-12J2POWER2R610/0.25WR810/0.25WR710/0.25WR910/0.25WR01RE2DE3DI4GND5A6B7VCC8U4SP485C5IN+1IN-2B6C5E4U84N25IN+1IN-2B6C5E4U104N25IN+1IN-2B6C5E4U94N255VR271K5VR251K5VR2610KR2810K55-5-R1810KR2410K55-R313K3123456789101112T110M12345678J612345678W1C190.001UC180.001UC170.001UC160.001UR442005V123S7123S8R3810kR3710k5V5VTVS1P6KE12CATVS3P6KE12CATVS6P6KE12CATVS7P6KE12CATVS5P6KE12CATVS2P6KE12CAD45V/2WD55V/2WD65V/2WD75V/2WD135V/2WD145V/2WD115V/2WD125V/2WLR1R42470R43470LTX1LRX1RXD1CPU-5VTXD1CPU+54851B4851A5-+124851A4851B4852B4852A123456789J5CON91122LRST1LT1LR2LRST2LT2R323K3R333K3R343K3R353K3R363K3123456789101112T210M12345678J812345678W2C230.001UC220.001UC210.001UC200.001UR522005V123S9123S10R4610kR4510k5V5V123456789J7CON9R50470R51470LTX2LRX212IC3A74HC0434IC3B74HC0456GND7VCC14IC3C74HC0489IC4D74HC041011IC4E74LS04GND71213VCC14IC4F74LS045VTVS4P6KE12CATVS8P6KE12CAS2S1S3S4485时拔起，DPSK短接485时拔起，DPSK短接DPSK拔起DPSK拔起5V安全栅电路KHX90信号避雷器本安输出井下分站KHX90信号避雷器本安输出井下分站R121KR131KR100-500R50-50015V8.5V8.5VEarthT?TRANS5220VAC220VACTVS-2p0300ceTVS-1p0300ce现场安装与使用安装前准备使用者在开箱时应认真阅读说明书内的装箱单，并对照检查箱内的数据通讯接口及配件是否齐备。并仔细检查将与数据通讯接口相连的供电电压是否满足本说明书3.1中所要求的技术指标。接线数据通讯接口在接线前必须先断开交流电源。并严格按照KJJ46型数据通讯接口内的接线标志接线。信号功率调整及距离Ls的计算Ls为井下分站与数据通讯接口间的距离，Ls=Lmax/7。式中Lmax为接口与最远的分站间距离；Lmax/7表示将这段最远的间距分为7段，其结果即为每台分站应与数据通讯接口相隔的实际距离Ls(单位：公里)。数据接口的内部设置插上IC3、IC4、U3、U4芯片。将S1、S2跳线短接,S3、S4跳线断开即可。故障分析与排除