Samsung SCC-C6405(P) - Manual (Page 9)

2-1
E
1-11
Setting RS-422A/RS-485 termination
1 2
As it is shown in the structure map, when Controller and RS-422A/RS-
485 is connected it should be terminated according to the Cable feature
of impedance on the each end of the transmitting line to transfer the
signals in long distance by controlling the reflection of the signals to the
lowest.
<RS-485 Half Duplex Organization>
n < 32
Termination
SW1-ON
Division
Termination: using numbers 1 and 2 PIN, turn to ON and it will be terminated.
<RS-422A/RS-485 Full Duplex Organization>
Division
Division
SW1-ON
SW2-ON
n < 32
In this chapter, we will check the contents of the package before
installing the SCC-C6405(P), and prepare a power adapter suitable
for the power supply system.
(Power Consumption: 18W; Voltage: AC24V, 1.5A)
Then, we will install the SCC-C6405(P) and connect the cables.
Chapter 2 SCC-C6405(P) Installation