对故障结点的完全支持依赖于1/0模块的能力。一些90-30系列模块不支持点故障结点。这些模块的点故障结点保持off状态，除非发生丢失模块故障，这种情况下RX3i CPU将这个丢失的模块的所有相关故障结点置位。使用报警结点高报警结点(-[HA]-)和低报警结点(H[LA]-)代表模拟量输入模块比较器功能的状态。要使用报警结点，必须先将CPU硬件配置的存储器键内将点故障功能使能。下面的逻辑实例同时使用了高报警和低报警结点。

SCI Circuit Board 080-2369-1,180-?2369 Rev P / EH #24071

SCI Circuit Board 080-2369-2,180-?2369 Rev J / D #24077

SCI Circuit Board 080-2369-2, 180-2369 Rev P/ EH #24079

SCI Circuit Board 080-2369,180-23?69 Rev G / B #24122

SCI Circuit Board 080-2369, 180-2369 Rev K / E #24123

SCI Circuit Board 080-2369, 180-2369 Rev K / D #24133

Coss Qualifier Interface 9810-7050-96 #28811

SCI Circuit Board 080-2369, 180-2369 Rev L / E #24135

SCI Circuit Board 080-2369, 180-2369 Rev M / E #24137

SCI Circuit Board 080-2369, 180-2369 Rev M / EG #24139

SCI Circuit Board 080-2369-1,180-?2369 Rev N / EG #24140

SCI Circuit Board 080-2369, 180-2369 Rev P / EH #24141

SCI Circuit Board 080-2369-2, 180-2369 Rev K / D #24151

SCI Circuit Board 080-2369-2, 180-2369 Rev K / E #24153

SCI Circuit Board 080-2369-2, 180-2369 Rev M / E #24163

SCI Circuit Board 080-2369-2,180-?2369 Rev N /EG #24165

SCI Circuit Board 080-2432,180-24?32 Rev C #24167

Efector Cable TRS-DC-P/N-ROL-?PVC-2M #22152

SCI Circuit Board 080-2476,180-24?76 Rev E / AC #24182

SCI Circuit Board 080-2476, 180-2476 #24186

Sonshine Electronics Circuit Board TD 103 #24201

Rexroth Card Stand Connector Base VT3002 #15467