11
6609-2202
Restore default settings
Channel 2
4.2 Switch Settings
ON
1 2 3 4 5 6 7 8
S2
Normally in this position
ON
1 2 3 4 5 6 7 8
S2
Forced into configuration
mode at power ON or
reboot. Restore default
settings.
Port type
Channel 1
ON
1 2 3 4 5 6 7 8
S1
RS-422/485
ON
1 2 3 4 5 6 7 8
S1
RS-232
2- or 4-wire
Channel 1
ON
1 2 3 4 5 6 7 8
S1
4-wire
ON
1 2 3 4 5 6 7 8
S1
2-wire
Factory settings
ON
1 2 3 4 5 6 7 8
S2
Channel 2
ON
1 2 3 4 5 6 7 8
S1
Channel 1
Termination and fail safe
(4-wire) Channel 1
ON
1 2 3 4 5 6 7 8
S1
Termination
and fail safe off
ON
1 2 3 4 5 6 7 8
S1
120
Ω
termination
between R+ and R–
Terminal open interpreted
as Mark (1)
Termination and fail safe
(2-wire) Channel 1
ON
1 2 3 4 5 6 7 8
S1
No termination
and fail safe
ON
1 2 3 4 5 6 7 8
S1
120
Ω
termination
between T+ and T–
Terminal open interpreted
as Mark (1)
1
2
3
4
5
S1:1-8
Channel 1
S2:1-8
Channel 2 IC 2
ESD
Only touch switching element of DIP switch.
!