Switch Settings - Westermo Ma-44 Ac Installations Anleitung

Switch settings

The MA-44 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.
DANGER! DO NOT OPEN CONNECTED UNIT
Selection of data rate
Turning time (max)
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
10
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CONNECTION
Data Turning
rate time
300 bit/s 3.33 ms
600 bit/s 1.67 ms
1 200 bit/s 833 µs
2 400 bit/s 417 µs
4 800 bit/s 208 µs
9 600 bit/s 104 µs
19 200 bit/s 52 µs
38 400 bit/s 26 µs
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LINE
V.24/RS-232-C
CONNECTION
1 2 3 4 5
S1
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)
Selections of bits
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
ON
S2
1 2 3 4 5 6 7 8 9
S3 S2
ON
ON
1 - 4 1 - 9
OFF OFF
9
10
11
12
6044-2002