1756-EN2TPXT |
1756-EN2TK |
1756-EN2TR |
1756-EN2TRK |
1756-EN2TRXT |
1756-EN2TSC |
1756-EN2TXT |
1756-EN3TR |
1756-EN3TRK |
1756-EN4TR |
1756-EN4TRK |
1756-EN4TRXT |
1756-ENBT |
1756-ENBTK |
1756-ESMCAP |
1756-ESMNSE |
1756-EWEB |
1756-HIST1G |
1756-HIST2G |
1756-HSC |
1756-HYD02 |
1756-HYD02K |
1756-IA16 |
1756-IA16I |
1756-IA16IK |
1756-IA16K |
1756-IA32 |
1756-IA8D |
1756-IB16 |
1756-IB16D |
1756-IB16DK |
1756-IB16S |
1756-IB16I |
1756-IB16IF |
1756-IB16IFK |
1756-IB16ISOE |
PLC本身具有较强的自诊断功能,保证硬件核心设备(CPU、存储器、I/O总线等)在正常情况下执行用户程序,一旦出现故障则立即给出出错信号,停止用户程序的执行,切断所有输出信号,等待。