Fuji Electric Monitouch V9 Series Connection Manual page 33

1. Overview
1-22
Connection Method 4
Connecting the CN1 of the master to the MJ1/MJ2 of the slaves
Master
(= Local port 1)
MJ1/MJ2 CN1
(a)
PLC1
(a) Connection between master and PLC
Choose the connection port between MJ1 and MJ2.
The communication settings and connection method are the same as those for 1 : 1 connection.
(b), (d), (e) Connection between master and terminal block
For the connecting port of the master, choose CN1. For the slave, choose between MJ1 and MJ2.
Use the RS-485 (2-wire system) connection. Use twisted-pair cables of 0.3 mm sq or greater. The maximum length of
the wiring is 500 m.
(c) Connection between terminal block and slave
The connecting port of the slave should be MJ1 or MJ2.
Use the "V6-MLT" cable (3 m).
Slave
(= Local port 2)
MJ1/MJ2
(c)
*1
Terminal
block
(b) (d)
Communication between V9 units: RS-485 (2-wire system), maximum length = 500 m
*1 0.5 m recommended (1.0 m maximum)
*2 Use twisted-pair cables of 0.3 mm sq. or greater between terminal blocks.
Slave
(= Local port 3)
MJ1/MJ2 MJ1/MJ2
(c) (c)
*1
Terminal
block
(e)
Slave
(= Local port 4)
*1
Terminal
block
*2