Chapter 4
62
Connecting devices
No external termination resistor is required for EFI connections on the CPU.
Stub lines or star-shaped wiring are not permitted.
The max. permitted overall cable length (all stations) for EFI1 and EFI2 is 100 m
each.
Unused conductors must be connected to FE on both ends.
All connected Flexi Link stations must have the same 0 V DC of the power supply
(terminal A2 of memory plug).
The max permitted voltage at EFI inputs is ± 30 V (to terminal A2 = 0 V DC)
Note
Figure 19:
Connection of Flexi Link
stations via EFI1 and EFI2
Summary of Contents for MELSEC-WS series
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