Selection of data rate, Selection of bits – Westermo MD-44 User Manual
Page 3
9
6155-2002
ON
1 2 3 4 5 6 7 8 9
ON
1 2 3 4
Selection of data rate
300
S2
ON
1 2 3 4 5 6 7 8 9
600
S2
ON
1 2 3 4 5 6 7 8 9
1 2 00
S2
ON
1 2 3 4 5 6 7 8 9
2400
S2
ON
1 2 3 4 5 6 7 8 9
4 800
S2
ON
1 2 3 4 5 6 7 8 9
9 600
S2
ON
1 2 3 4 5 6 7 8 9
19 200
S2
ON
1 2 3 4 5 6 7 8 9
38 400
S2
ON
1 2 3 4 5 6 7 8 9
Selection of bits
9
S2
ON
1 2 3 4 5 6 7 8 9
10
S2
ON
1 2 3 4 5 6 7 8 9
11
S2
ON
1 2 3 4 5 6 7 8 9
12
S2
ON
1 2 3 4 5 6 7 8 9
2/4-wire transmission
Termination with fail-safe *
Factory settings
2-wire
Terminated (4-wire)
S2
ON
1 2 3 4 5 6 7 8 9
4-wire
S2
S3
ON
1 2 3 4
Terminated (2-wire)
S3
ON
1 2 3 4
No termination
S3
ON
1 2 3 4
S3
* 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.
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
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
ON
1 2 3 4 5 6 7 8 9
S2
S2: 8-9 not used.
S2: 8 and 9 not used