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3-2. Power Connection
The TRP-C51 is equipped with a 2-pin terminal block and power jack. Power can be supplied
from terminal block or external DC plug. It support wide input range from +10~+30V DC/500mA
power supply. When power is correctly supplied the PWR LED will turn on and the system is
ready.
If the power input from external *Please use the power plug specification. (5.5*2.1*12 mm).
Warning
: User can only choose one of following 2 power sources.
1. External DC adapter. 2. Screw terminal DC input
Do not use both power input simultaneously.
3-3. RS-232 wiring connection.
3-4. RS-485 wiring connection.
The RS-485 mode supports the Transmit and Receive channels using 2-wire half-duplex
operation. Refer to the pin assignment for connection as below.
The
RTS/CTS must be “none” if using the RS-422/485 function, please refer to chapter 4-2 step10
3-5. RS-422 wiring connection.
The RS-422 mode supports 4 channels with full duplex operation for Receive and Transmit, The
data lines are in differential pairs. Refer to the pin assignment for connection as below.
