Mitsubishi MELSEC-WS0-CPU0 User Manual page 65

Figure 19:
Connection of Flexi Link
stations via EFI1 and EFI2
Note
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)
Chapter 4
62