Schneider 140DAI55300 Digital Input Module Inquiry Item

Details

This Schneider 140DAI55300 is a discrete digital input module for Modicon Quantum PLC platform. It has 32 channels of 115V AC signal input, used to collect field AC switching signals such as limit switches, relay contacts and field sensors. It adopts photoelectric isolation design between field side and PLC internal logic circuit, with strong anti-interference capability. It occupies two input words of PLC address space, supports 47~63Hz AC frequency range. This model is discontinued, mainly used as maintenance spare parts for old Quantum DCS/PLC systems in power, water treatment and petrochemical industry.

Specifications

Model: 140DAI55300 Brand: Schneider Electric Series: Modicon Quantum Input points: 32 points Input voltage: 115V AC Frequency range: 47 ~ 63Hz Isolation: Photoelectric isolation Address occupation: 2 input words Mounting: Quantum backplane slot Certifications: CE, UL

Components & Troubleshooting

Signal conditioning circuit, photoelectric isolation array, status LED indicator, backplane gold-plated connector, plastic housing. Common faults: channel no signal input, intermittent signal loss, module self-check fault, indicator abnormal, input channel burnout.

Disclaimer

This spare part shall be wired and replaced by qualified PLC electrical technicians. Power off the rack before plugging and unplugging the I/O module.