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(2) Maximum number of units connected to one master station (CC-Link Ver.2.00)
42 units (when connections are inverter only)
If any other units are included, the number of stations occupied depends on the unit and
therefore the following conditions must be satisfied:
⋅ {(a + a2 + a4 + a8) + (b + b2 + b4 + b8) × 2 + (c + c2 + c4 + c8) × 3 + (d + d2 + d4 + d8) × 4} ≤ 64
⋅ {(a × 32 + a2 × 32 + a4 × 64 + a8 × 128) + (b × 64 + b2 × 96 + b4 × 192 + b8 × 384) + (c ×
96 + c2 × 160 + c4 × 320 + c8 × 640) + (d × 128 + d2 × 224 + d4 × 448 + d8 × 896)} ≤ 8192
⋅ {(a × 4 + a2 × 8 + a4 × 16 + a8 × 32) + (b × 8 + b2 × 16 + b4 × 32 + b8 × 64) + (c × 12 +
c2 × 24 + c4 × 48 + c8 × 96) + (d × 16 + d2 × 32 + d4 × 64 + d8 × 128)} ≤ 2048
a: Number of single setting devices occupying one station
b: Number of single setting devices occupying two stations
c: Number of single setting devices occupying three stations
d: Number of single setting devices occupying four stations
a2: Number of double setting devices occupying one station
b2: Number of double setting devices occupying two stations
c2: Number of double setting devices occupying three stations
d2: Number of double setting devices occupying four stations
a4: Number of quadruple setting devices occupying one station
b4: Number of quadruple setting devices occupying two stations
c4: Number of quadruple setting devices occupying three stations
d4: Number of quadruple setting devices occupying four stations
a8: Number of octuple setting devices occupying one station
b8: Number of octuple setting devices occupying two stations
c8: Number of octuple setting devices occupying three stations
d8: Number of octuple setting devices occupying four stations
⋅ 16 × A + 54 × B + 88 × C ≤ 2304
A: Numbers of remote I/O ≤ 64
B: Number of remote device stations ≤ 42
C: Number of local and intelligent device stations ≤ 26
WIRING
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