Functional description
MSA501
Date: 12.10.2018
Art. No. 88734
Mod. status 330/18
Page 8 of 51
DIP switches
Node-ID (Address)
4
5
6
7
1d 0d 0d 1d 9d (9h)
1d 0d 1d 0d 10d (Ah)
1d 0d 1d 1d 11d (Bh)
1d 1d 0d 0d 12d (Ch)
1d 1d 0d 1d 13d (Dh)
1d 1d 1d 0d 14d (Eh)
1d 1d 1d 1d 15d (Fh)
Tabelle 7: DIP switches Node-ID
4
Functional description
4.1
Measuring range
The numbers given below refer to an absolute resolution of 0.005 mm; divide the numerical
values into half for an absolute resolution of 0.01 mm!
Representation of numerical values:
The numerical value output by the MSA501 sensor via the interface is always a multiple of the
resolution set.
Example:
Value output by the sensor = 340603; set resolution = 0.005 mm
-> position value = 340603 * 0,005 mm = 1703,015 mm
With a resolution set to 0.01 mm, the above output value corresponds to a position value of
3406,030 mm.
Tape coding:
The absolute coding of MBA501 enables a maximum measuring range of 10240 mm
(=2048000 * 0,005 mm).
Fig. 2: Tape coding
Position value:
In order to avoid jumps around the maximum value at position 0, this maximum value is
limited to 10000 mm (=2000000 * 0,005 mm). Thus, a range up to -240 mm (= -48000 *
0.005 mm) i
s
possible in negative travel direction
0
+1
+2047999
+2047999
+1
0