The EL9505 power supply terminal takes the input voltage (24 V DC) and uses it to generate an output voltage of 5 V DC at 0.5 A, which can be tapped at the terminal.
The EL9508 power supply terminal takes the input voltage (24 V DC) and uses it to generate an output voltage of 8 V DC at 0.5 A, which can be tapped at the terminal.