Wiring the COM. Port2-62.3 Wiring for CPU Unit (GT Power Supply and COM0 Port)2.3.1 Handling of GT Power Supply Terminals GT power supply terminals can be used as power supply terminals for the GT series of ourprogrammable displays. In accordance with the model to be used, use either 5V DC or 24V DC.NOTES GT power supply terminals (5V DC / 24V DC) are design exclusively for theGT series of our programmable displays. Do not use the terminals for otherdevices. GT power supply terminals and COM0 port (RS-232C) are insulated inside.2.3.2 Terminal Layouts and Examples of Wiring Layout for GT power supply terminals and COM0 port terminalsTerminalno.Terminal partSymbolFunctionsthat can beallocatedSignal direction Ports that can beallocatedin the software1 COM.0 SD Sent data PLC →External device2 RD Received data PLC ←External device3 SG Signal Ground -COM.04 OUTPUT 24V 24V -5 5V 5V -6 0V 0V --Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
