Mitsubishi PLC QX42-S1 is a digital input module. To meet the needs of our customers, the MELSEC-Q series offers a wide range of digital input/output modules. From 8 o'clock to 64 o'clock; from screw terminals to connectors; from DC5V to AC240V input; from transistor to relay output, the MELSEC-Q series is available. At the same time, MELSEC-Q provides interrupt modules to meet the specific needs of customers. Mitsubishi digital input/output modules are widely used in automation fields such as power packaging machinery.