HCMAESTRO-HA
The B & R Automation HCMAESTRO-HA is an expansion module in the HCM Maestro PLC Modules series providing multiple DB9 RS-232 ports via a DIN-style connector. It supports 24V AC/DC or 110-240V AC control voltages, features IP67 protection with built-in status LEDs, and operates from -20°C to +70°C.