描述
电气接线及开关接点已减少到数百甚至数千分之一，故障也就大大降低。此外，PLC带有硬件故障自我检测功能，出现故障时可及时发出警报信息。在应用软件中，应用者还可以编入外围器件的故障自诊断程序，使系统中除PLC以外的电路及设备也获得故障自诊断保护。这样，整个系统的可靠性极高。
Reversing Contactor 3RR0T2602AK6 3RT1026-1A ganged New
Watlow Panel Process Display 945A-2DA2-A000 Series 945
Red Lion Intelligent Meter IMD23107 IMD2 Series NOS
Sy/Max 8030 CRM21 Interface Module 30608-504-50
RAD-ISM-900-RX Spectrum Transmitter Phoenix Contact
RS232PONI Cutler Hammer RS232 RPONI W970630 5299C57G02
Turck Bi15-CP40-FDZ30X2/S34 Proximity Switch NOS 3@
Allen Bradley 1791-16B0 179116B0 B I/O Module NOS New
Digital Litton Clifton Stepper Motor 12-14659-00 24VDC
Mitsubishi Melsec Relay Unit Module F2-60ER
GE General Electric Fanuc IC693CPU311-AD 5Slot Base NOS
Keyence AS-440-01 120V 240V sensor amplifier
Omron ASCII Basic Module Unit C500-ASCO4 for CPU
