Westermo MA-45 - Manual (Page 10)

10 6045-2002
Selections of bits
S2 9
S2 10
S2 11
S2 12
S1 Selection of power supply 115/230 V AC
S2 Selection of data rate
Selection of 2- or 4-wire transmission
Selection of no. of data bits
(see table below)
S3 Selection of termination and fail-safe
(see next page)
ON
OFF
S3
1 - 4
ON
OFF
S1 S2
1 - 8
DANGER! DO NOT OPEN CONNECTED UNIT
1 2 3 4 5
V.24/RS-232-C
CONNECTION
LINE
CONNECTION
Switch settings
The MA-45 can through different switch settings be adapted to a variety of running
conditions. To set the switches, open the plastic case with e.g. a screw-driver.
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
Selection of data rate
It is not necessary to set the datarate or the number
of bits when RTS-control is used.
S2 1 200 bit/s
Data
Rate
Turning
time
S2 2 400 bit/s
S2 4 800 bit/s
S2 9 600 bit/s
S2 19 200 bit/s
S2 38 400 bit/s
S2 57 600 bit/s
S2 115 200 bit/s
780 µs
410 µs
220 µs
130 µs
48 µs
34 µs
22 µs
11 µs
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8