Setting Rs-422A/Rs-485 Termination; Switch Setting - Samsung SCC-643 Manual Del Usuario

Setting RS-422A/RS-485 termination

SW 501
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.
Division
<RS-485 Half Duplex Organization>
Termination: using numbers 1 and 2 PIN, turn to ON and it will be terminated.
Division
<RS-422A/RS-485 Full Duplex Organization>
1-11
n < 128
Termination
SW1-ON
n < 128
Division
SW1-ON
SW2-ON

SWITCH SETTING

Receiver Address SW500-1 SW500-2 SW500-3
0 OFF OFF OFF
1 ON OFF OFF
2 OFF ON OFF
3 ON ON OFF
4 OFF OFF ON
5 ON OFF ON
6 OFF ON ON
7 ON ON ON
8 OFF OFF OFF
9 ON OFF OFF
10 OFF ON OFF
11 ON ON OFF
12
OFF
OFF
ON
13 ON OFF ON
14 OFF ON ON
15 ON ON ON
16 OFF OFF OFF
17 ON OFF OFF
18 OFF ON OFF
19 ON ON OFF
20 OFF OFF ON
21 ON OFF ON
22 OFF ON ON
23 ON ON ON
24 OFF OFF OFF
25 ON OFF OFF
26 OFF ON OFF
27 ON ON OFF
28 OFF OFF ON
29 ON OFF ON
30 OFF ON ON
31 ON ON ON
32 OFF OFF OFF
33 ON OFF OFF
34 OFF ON OFF
35 ON ON OFF
36 OFF OFF ON
37 ON OFF ON
38 OFF ON ON
39 ON ON ON
40 OFF OFF OFF
41 ON OFF OFF
42 OFF ON OFF
43 ON ON OFF
44 OFF OFF ON
45 ON OFF ON
46 OFF ON ON
47 ON ON ON
48 OFF OFF OFF
49 ON OFF OFF
50 OFF ON OFF
51 ON ON OFF
52 OFF OFF ON
53 ON OFF ON
54 OFF ON ON
55 ON ON ON
SW500-4 SW500-5 SW500-6 SW500-7 SW500-8
OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF
OFF OFF OFF
OFF OFF
OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF
ON OFF OFF OFF OFF
ON OFF OFF OFF OFF
ON OFF OFF OFF OFF
ON OFF OFF OFF OFF
ON
OFF
OFF
OFF
OFF
ON OFF OFF OFF OFF
ON OFF OFF OFF OFF
ON OFF OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
OFF ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
ON ON OFF OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
OFF OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
ON OFF ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
OFF ON ON OFF OFF
E
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