2/4-wire transmission, Factory settings, Terminetion with fail-safe – Westermo MA-44 Benutzerhandbuch
Seite 11
Advertising
11
6044-2002
2/4-wire transmission
ON
1 2 3 4 5 6 7 8 9
ON
1 2 3 4 5 6 7 8 9
Factory settings
S2
S3
ON
1 2 3 4 5 6 7 8 9
Terminetion
with fail-safe
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
The fail-safe function forces the signal state of the
receiver to OFF when the connected transmitter is in
tri-state (transmitter inactive). The receiver located
furthest away shall be terminated.
S2: 8–9 not used
Supervision table when selecting data bits
7 bits
●
●
●
●
8 bits
●
●
●
●
No parity
●
●
●
●
Parity
●
●
●
●
1 stop bit
●
●
●
●
2 stop bits
●
●
●
●
Number of bits 9
10 10
10 11
11
11
12
S2
2-wire
S2
4-wire
S3
Terminated (4-wire)
S3
Terminated (2-wire)
S3
No termination
Advertising