User`s manual
1-29
15
ON
12345678
The SD terminal resistance between the No. 12 and No. 13 pins of CN1
(serial connector)
RD terminal resistance of pin No. 24 and 25 in CN1
(serial connector)
Terminal resistance of MJ1 (modular jack 1)
Not used
Setting of Dip Switches
Setting of Dip Switches
Setting of Terminal Resistance
• When connecting a PLC and RS-422/485 by 4-wire method, turn DIPSW 7 and 8 on.
• When connecting a PLC and RS-422/485 by 2-wire method, turn DISW 7 on.
• When using Modular jack 1 for multi-link 2 connection or using a card recorder or added serial I/O, turn
DIPSW 6 on.
• Modular jack 2’s terminal resistance is always on.
Keep DIPSW 1, 2, 3, 4, 5 and 8 (not used) OFF.
1 Setting of Dip Switches