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12.6. AI-900RS Substation Interface Card Connection
12.6.1. Substation and AI-900RS connection
The AI-900RS can be interfaced with up to 16 substations.
[Connection]
Use a 2-core shield cable to connect the substation to the AI-900RS. Refer to the following table for the
maximum recommended cable length between the two.
Cable type AWG24 (0.52 mm)
Distance
0.5 km
Connect as shown below.
Connection of the AI-RS150/-RS160/-RS170/-RS180 to the AI-900RS
AI-RS150, AI-RS160,
AI-RS170 or AI-RS180
2-core shielded cable
2-core shielded cable
Note
The cables coming from the substations are bared at their ends.
30
AWG22 (0.65 mm)
0.8 km
To line A (orange)
To line B (brown)
To line C (black)
AWG20 (0.82 mm)
1.3 km
AI-900RS
CN1
CN2
CN3
CN4
A
A
Line 3
B
Line 1
B
C
C
A
A
Line 4
B
Line 2
B
C
C
A
A
Line 7
B
Line 5
B
C
C
A
A
Line 8
B
Line 6
B
C
C
A
A
Line 11
B
Line 9
B
C
C
A
A
Line 12
B
Line 10
B
C
C
A
A
Line 15
B
Line 13
B
C
C
A
A
Line 16
B
Line 14
B
C
C
Front view of
the circuit board
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