Switch block 3 – S3
RS-422/485 setting Line-A
Inactive
ON
fail-safe 4-wire
1 2 3 4 5 6
Active
ON
fail-safe 4-wire
1 2 3 4 5 6
No termination
ON
4-wire
1 2 3 4 5 6
Termination
ON
4-wire
1 2 3 4 5 6
Switch block 4 – S4
RS-422/485 setting Line-B
Inactive
ON
fail-safe 4-wire
1 2 3 4 5 6
Active
ON
fail-safe 4-wire
1 2 3 4 5 6
No termination
ON
4-wire
1 2 3 4 5 6
Termination
ON
4-wire
1 2 3 4 5 6
Factory settings
ON
S1
1 2 3 4 5 6
ON
Anti blocking active,
S2
Retiming inactive
1 2 3 4
6153-2004
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
9 600 bit/s,
10 bit format
Inactive
fail-safe 2-wire
Active
fail-safe 2-wire
No termination
2-wire
Termination
2-wire
Inactive
fail-safe 2-wire
Active
fail-safe 2-wire
No termination
2-wire
Termination
2-wire
No terminataion,
ON
S3
inactive fail-safe
1 2 3 4 5 6
No terminataion,
ON
S4
inactive fail-safe
1 2 3 4 5 6
23