Seneca Z-PASS1, Руководство пользователя

Страница: 12 / 155

USER MANUAL – Z-PASS1/Z-PASS2
12
Through a removable 4 pin connector, the Z-PASS provides a serial RS232 port or, as an alternative, a third RS485 port.
In order to select the RS232 port on the removable 4 pin connector, put the SW2 DIP-switch
2
on ON position; to select
the RS485 port on the removable 4 pin connector, put the SW2 DIP-switch on OFF position.
In Z-PASS1-IO/Z-PASS2-IO, the mode (RS485/RS232) of this port is set as a parameter in software configuration.
The cable length for the RS232 interface must be less than 3 meters.
2
While in Z-PASS1 the SW2 DIP-switch position can be changed by the user, in Z-PASS2 the DIP-switch is internal and
its position is permanently set in the factory.