Schneider Electric FBZ2 Benutzerhandbuch

21

1. Master (PLC, PC or communication module)

2. Modbus cable (It is different according to the master side or a master having polarization combined to the other part of Bus) 

3. Junction box

4. Modbus cable

5. Line terminators : 120

Ω

- 0.25W 

Please use a cable with 2pair shieded twisted conductors for Interface protection.  

It is adviced to isolate the Modbus cable 30cm(11.8in) at least  from a power cable. 

If necessary, intersect the Modbus cable to a power cable perpendicularly. 

Refer to the diagram in the left side for the line terminator wiring.

Pin ‘S’ can be used for shield wire connection.

4

D1

B/B’

5

D0

A/A’

8

V-

C/C’