Westermo MA-47 - Manual (Page 4)

11 6047-2002 11
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
Termination
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.
S1: 8-9 not in use
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