- 8 -
For redundant ring topology:
Slot time = A + B × L + C × N
L:
The length of the fiber optic in kilometer.
N:
The number of converters in the system.
A, B,
and
C:
Parameters set according to different baudrates.
*To avoid frame conflicts, it is recommended to set the PROFIBUS
command retry limit
≥
3, and the slot time < 262128.
DIP Switch Settings
There are 8 DIP switches on the top panel of the ICF-1280I series
converter. All DIP switches except SW5 are set to the factory default OFF
position.
Transmission Speed (kbps)
A
B
C
12000
1651
240
28
6000
951
120
24
3000
551
60
24
1500
351
30
24
500
251
10
24
187.5
171
3.75
24
93.75
171
1.875
24
45.45
851
0.909
24
19.2
171
0.384
24
9.6
171
0.192
24
Transmission Speed (kbps)
SW1
SW2
SW3
SW4
Auto (default)
OFF
OFF
OFF
OFF
12000
OFF
OFF
OFF
ON
6000
OFF
OFF
ON
OFF
3000
OFF
OFF
ON
ON
1500
OFF
ON
OFF
OFF
500
OFF
ON
OFF
ON
187.5
OFF
ON
ON
OFF
93.75
OFF
ON
ON
ON
45.45
ON
OFF
OFF
OFF
19.2
ON
OFF
OFF
ON
9.6
ON
OFF
ON
OFF
Setting
ON
OFF
SW5
Fiber Link Monitor
Disable
SW8
Remote Fiber Diagnosis* Disable
Topology
SW6
SW7
Linear, Star (P1/P2 enable) OFF
OFF
Linear, Star (P1 disable)
OFF
ON
Linear, Star (P2 disable)
ON
OFF
Redundant Ring
ON
ON
In Redundant Ring mode, the Fiber Link Monitor function is activated
automatically.
