ABB FENA-01 User Manual download pdf (Page 16)

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Jumpers and Switches

All EFB (ModBus, N2, FLN, &

BACnet) communications is

connected to X2: 26 - 30 on

the Bypass Board (RBIO)

Set SW1

(Comm DIP SW) for

“Terminated” on the first & last

device on the network

(verify use with EFB Protocol Manual)

These are the only switches on

the E-Clipse Bypass

Termination resistors are passive,

120 Ohm resistors on E-Clipse

Serial Communications

Termination Resistors

SW1

ON=Terminated

OFF=Not Terminated

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 33 34

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ABB FENA-01 User Manual Page 16