User Manual

Table Of Contents
7
Wiring Power Inputs
1. Insert the positive and negative wires into the PWR1 (+,-) and
PWR2 (+,-) on the 4-contact terminal block connector.
2. Tighten the screws to prevent the wires from loosening.
Wiring Fault Alarm
1. Insert the wires into the left two contacts of the 4-contact
terminal block (Fault Alarm Relay).
2. Tighten the screws to prevent the wires from loosening.
3. The relay will detect the power and link failure.
4. Users can connect the relay to an alarm and buzzer so that when
the relay forms an open circuit, the users will be notified.
Wiring Digital Inputs
Insert the positive and negative wires into the right two contacts (+,-) of the
4-contact terminal block (DI).
1. Tighten the screws to prevent the wires from loosening.
2. The system will detect the voltage go through the DI.
+13 to +30V for state "1"
-30 to +3V for state "0"
Max. input current: 8mA
USB Port
A USB port is available on the switch that is located between the Console port and
Reset button. This USB port provides the following features:
Backup/Restore Configurations
Auto-Load configuration from USB
Auto-Backup configuration to USB
Save system logs to USB