Westermo MA-45 - Manual (Page 11)

11 6045-2002
Supervision table when selecting data bits
7 bits l l l l
8 bits l l l l
No parity l l l l
Parity l l l l
1 stop bit l l l l
2 stop bits l l l l
Number of bits 9 10 10 10 11 11 11 12
Terminering
with fail-safe
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.
S3 Terminated (4-wire)
S3 Terminated (2-wire)
S3 No termination
Factory settings
ON
1 2 3 4
ON
1 2 3 4 5 6 7 8
Data control by data
flow or RTS-control
S2: 8 not used
S2 Data control
S2 RTS-control
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
S2
Transmitter
always active
ON
1 2 3 4 5 6 7 8
2/4-wire transmission
S2 2-wire
S2
S2
S3
4-wire
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8