This listing is for a USED Mitsubishi A1SY10. This unit provides discrete output switching within MELSEC A-Series PLC systems, supporting DC 24V and AC 240V output circuits up to 2A per channel. It interfaces directly with rack-mounted A-Series controllers and supports field device control such as relays, solenoids, and indicators.

This listing is for a USED Siemens 6ES7 321-1BL00-0AA0. It provides digital input signal acquisition for 24 VDC field devices within SIMATIC S7-300 systems, supporting high-density monitoring of discrete signals from sensors and control devices in industrial automation environments.