Installation Guide

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Wiring Examples
Connecting the Power Supply
Before using the TCF-142, first connect the DC power supply to the power
supply terminal block located on the TCF-142’s bottom panel.
Connecting RS-422 and 4-wire RS-485 Serial Devices
Connecting 2-wire RS-485 Serial Devices
Connecting an RS-232 Serial Device to a PC
Switch Settings
Serial
Connection
SW1 SW2
RS-232
ON
OFF
RS-422
ON
ON
RS-485 4-wire
OFF
OFF
RS-485 2-wire
OFF
ON
Built-in 120 Ω
Terminator
SW3 SW4
Enable
ON
–
Disable
OFF
–
Ring mode
–
ON
Point to Point mode
–
OFF